WO2022145250A1 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- WO2022145250A1 WO2022145250A1 PCT/JP2021/046445 JP2021046445W WO2022145250A1 WO 2022145250 A1 WO2022145250 A1 WO 2022145250A1 JP 2021046445 W JP2021046445 W JP 2021046445W WO 2022145250 A1 WO2022145250 A1 WO 2022145250A1
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- Prior art keywords
- electrode
- wiring
- semiconductor elements
- semiconductor
- semiconductor device
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- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 4
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Definitions
- This disclosure relates to semiconductor devices.
- MOSFETs Metal Oxide Semiconductor Field Effect Transistors
- IGBTs Insulated Gate Bipolar Transistors
- MOSFETs Metal Oxide Semiconductor Field Effect Transistors
- IGBTs Insulated Gate Bipolar Transistors
- the power module described in Patent Document 1 includes a plurality of semiconductor elements, a plurality of connecting wires, a wiring layer, and a signal terminal.
- Each semiconductor element is, for example, a MOSFET, and is driven on / off according to a drive signal input to the gate terminal.
- the plurality of connecting wires connect the gate terminals of the plurality of semiconductor elements to the wiring layer.
- the wiring layer is connected to the signal terminal.
- the signal terminal is connected to the gate terminal of each of the plurality of semiconductor elements via the wiring layer and the plurality of connecting wires.
- unexpected oscillation may occur in the drive signal (for example, gate voltage). If oscillation occurs in the drive signal, the circuit (semiconductor device) including the power semiconductor element may malfunction.
- one object of the present disclosure is to provide a semiconductor device capable of suppressing oscillation of a drive signal.
- Each of the semiconductor devices provided by the first aspect of the present disclosure has a first electrode, a second electrode and a third electrode, and the semiconductor device is described in response to a first drive signal input to the third electrode.
- a plurality of first semiconductor elements whose on / off control is controlled between the first electrode and the second electrode are provided.
- the semiconductor device includes a first control terminal to which the first drive signal is input, a first wiring portion to which the first control terminal is connected, and a second wiring portion separated from the first wiring portion.
- a first connection member that conducts the first wiring portion and the second wiring portion, and a second connection that conducts the second wiring portion and the third electrode of any one of the plurality of first semiconductor elements. It is equipped with a member.
- the first electrodes of each of the plurality of first semiconductor elements are electrically connected to each other, and the second electrodes of each of the plurality of first semiconductor elements are electrically connected to each other.
- the semiconductor device provided by the second aspect of the present disclosure has a first electrode, a second electrode, and a third electrode, respectively, and in response to a drive signal input to the third electrode, the first electrode is used.
- a plurality of semiconductor elements whose on / off control is controlled between the electrode and the second electrode are provided.
- the semiconductor device includes a plurality of control terminals each to which the drive signal is input, a plurality of wiring portions conductive to the plurality of control terminals, and the plurality of control terminals joined to the plurality of control terminals, and the plurality of semiconductors.
- It has a plurality of connecting members for connecting the third electrode of each element and the plurality of wiring portions, and a main surface and a back surface separated from each other in the thickness direction, and a plurality of wiring portions are formed on the main surface. It is equipped with an insulating substrate. Each of the plurality of control terminals extends in the direction in which the main surface faces in the thickness direction.
- FIG. 1 is a perspective view showing a semiconductor device according to the first embodiment.
- FIG. 2 is a perspective view of FIG. 1 in which the sealing member is omitted.
- FIG. 3 is a partially enlarged view of a part of FIG. 2.
- FIG. 4 is a partially enlarged view of a part of FIG. 2.
- FIG. 5 is a plan view showing the semiconductor device according to the first embodiment, and is a view showing the sealing member by an imaginary line.
- FIG. 6 is a plan view of FIG. 5 in which a plurality of terminals, a plurality of connecting members, and a sealing member are omitted.
- FIG. 7 is a plan view of FIG. 6 in which a part of the wiring portion is omitted.
- FIG. 8 is a plan view of FIG.
- FIG. 9 is a cross-sectional view taken along the line IX-IX of FIG.
- FIG. 10 is a cross-sectional view taken along the line XX of FIG.
- FIG. 11 is a cross-sectional view taken along the line XI-XI of FIG.
- FIG. 12 is a cross-sectional view taken along the line XII-XII of FIG.
- FIG. 13 is a partially enlarged view of a part of FIG. 12.
- FIG. 14 is a partially enlarged view of a part of FIG. 12.
- FIG. 15 is a plan view showing the semiconductor device according to the second embodiment, and is a view showing the sealing member by an imaginary line.
- FIG. 16 is a plan view showing the semiconductor device according to the third embodiment, and is a view in which the sealing member is omitted.
- FIG. 17 is a perspective view showing the semiconductor device according to the fourth embodiment.
- FIG. 18 is a plan view showing the semiconductor device according to the fourth embodiment, and is a view in which a part of the case is omitted.
- FIG. 19 is a cross-sectional view taken along the line XIX-XIX of FIG. 18, showing a part of the case as an imaginary line.
- FIG. 20 is a plan view showing the semiconductor device according to the fifth embodiment, and is a view showing the sealing member by an imaginary line.
- FIG. 21 is a perspective view showing the semiconductor device according to the sixth embodiment.
- FIG. 22 is a plan view showing the semiconductor device according to the sixth embodiment, and is a view showing the sealing member by an imaginary line.
- FIG. 23 is a cross-sectional view taken along the line XXIII-XXIII of FIG.
- the semiconductor device A1 includes a plurality of first semiconductor elements 1, a plurality of second semiconductor elements 2, a support member 3, a plurality of insulating substrates 41 to 43, a plurality of wiring portions 511 to 514, 521 to 528, 531 to 534, and a plurality of. (Conducting metal member) 58, 59, a pair of control terminals 61, 62, a plurality of detection terminals 63 to 65, a plurality of side terminals 66, a plurality of connection members 7, and a sealing member 8.
- the plurality of connecting members 7 are, for example, bonding wires, and include a plurality of connecting members 711,712,721 to 724,731 to 734 as shown in FIGS. 3 and 4.
- FIG. 1 is a perspective view showing the semiconductor device A1.
- FIG. 2 is a perspective view of FIG. 1 in which the sealing member 8 is omitted.
- FIG. 3 is an enlarged view of a main part in which a part of FIG. 2 is enlarged.
- FIG. 4 is an enlarged view of a main part in which a part of FIG. 2 is enlarged.
- FIG. 5 is a plan view showing the semiconductor device A1, and the sealing member 8 is shown by an imaginary line (dashed-dotted line).
- FIG. 6 is a plan view of FIG. 5 in which a pair of control terminals 61 and 62, a plurality of detection terminals 63 to 65, a plurality of side terminals 66, and a plurality of connection members 7 are omitted.
- FIG. 6 is a plan view of FIG. 5 in which a pair of control terminals 61 and 62, a plurality of detection terminals 63 to 65, a plurality of side terminals 66, and a pluralit
- FIG. 7 is a plan view of FIG. 6 in which the two insulating substrates 42, 43 and the plurality of wiring portions 512, 513, 521 to 528, 531 to 534 are omitted.
- FIG. 8 is a plan view of FIG. 7 in which the insulating substrate 41 is omitted.
- FIG. 9 is a cross-sectional view taken along the line IX-IX of FIG.
- FIG. 10 is a cross-sectional view taken along the line XX of FIG.
- FIG. 11 is a cross-sectional view taken along the line XI-XI of FIG.
- FIG. 12 is a cross-sectional view taken along the line XII-XII of FIG.
- FIG. 13 is a partially enlarged view of a part of FIG. 12.
- FIG. 14 is a partially enlarged view of a part of FIG. 12.
- the z direction is, for example, the thickness direction of the semiconductor device A1.
- the x direction is the left-right direction in the plan view (see FIG. 5) of the semiconductor device A1.
- the y direction is the vertical direction in the plan view (see FIG. 5) of the semiconductor device A1.
- the x direction is an example of the "first direction”
- the y direction is an example of the "second direction”.
- Each of the plurality of first semiconductor elements 1 and the plurality of second semiconductor elements 2 is, for example, a MOSFET. Instead of the MOSFET, it may be another switching element such as a field effect transistor including a MISFET (Metal-Insulator-Semiconductor FET) or a bipolar transistor including an IGBT.
- Each of the plurality of first semiconductor elements 1 and the plurality of second semiconductor elements 2 are configured by using a semiconductor material mainly composed of SiC (silicon carbide).
- the semiconductor material is not limited to SiC, and may be Si (silicon), GaAs (gallium arsenide), GaN (gallium nitride), Ga 2 O 3 (gallium oxide), or the like.
- each of the plurality of first semiconductor elements 1 has an element main surface 1a and an element back surface 1b.
- the element main surface 1a and the element back surface 1b are separated from each other in the z direction.
- the element main surface 1a faces the z2 direction, and the element back surface 1b faces the z1 direction.
- the element main surface 1a is an example of the "first element main surface”
- the element back surface 1b is an example of the "first element back surface”.
- Each of the plurality of first semiconductor elements 1 has a first electrode 11, a second electrode 12, and a third electrode 13. As shown in FIG. 13, in each first semiconductor device 1, the first electrode 11 is formed on the back surface 1b of the device, and the second electrode 12 and the third electrode 13 are formed on the main surface 1a of the device. .. In the example in which each first semiconductor element 1 is a MOSFET, the first electrode 11 is a drain electrode, the second electrode 12 is a source electrode, and the third electrode 13 is a gate electrode.
- a first drive signal for example, a gate voltage
- the third electrode 13 gate electrode
- each first semiconductor element 1 has a first electrode 11 (drain electrode) and a second electrode 12 (source electrode) according to a first drive signal (for example, a gate voltage) input to the third electrode 13 (gate electrode).
- a first drive signal for example, a gate voltage
- the interval is controlled on and off.
- the first electrodes 11 for example, drain electrodes
- the second electrodes 12 for example, source electrodes
- each first semiconductor element 1 is bonded to the support member 3 (conductive plate 31) via the conductive bonding material 19.
- the conductive bonding material 19 is made of, for example, solder, a metal paste material, or a sintered metal.
- each of the plurality of second semiconductor elements 2 has an element main surface 2a and an element back surface 2b.
- the element main surface 2a and the element back surface 2b are separated from each other in the z direction.
- the element main surface 2a faces the z2 direction, and the element back surface 2b faces the z1 direction.
- the element main surface 2a is an example of the “second element main surface”
- the element back surface 2b is an example of the “second element back surface”.
- Each of the plurality of second semiconductor elements 2 has a fourth electrode 21, a fifth electrode 22, and a sixth electrode 23.
- the fourth electrode 21 is formed on the device back surface 2b, and the fifth electrode 22 and the sixth electrode 23 are formed on the element main surface 2a. ..
- the fourth electrode 21 is a drain electrode
- the fifth electrode 22 is a source electrode
- the sixth electrode 23 is a gate electrode.
- a second drive signal for example, a gate voltage
- each second semiconductor element 2 performs a switching operation in response to the second drive signal.
- each second semiconductor element 2 has a fourth electrode 21 (drain electrode) and a fifth electrode 22 (source) according to a second drive signal (for example, a gate voltage) input to the sixth electrode 23 (gate electrode).
- a second drive signal for example, a gate voltage
- the space between the electrodes) is controlled on and off.
- the fourth electrodes 21 for example, drain electrodes
- the fifth electrodes 22 for example, source electrodes
- the plurality of second semiconductor elements 2 are arranged along the x direction.
- the plurality of second semiconductor elements 2 are located in the y2 direction with respect to the plurality of first semiconductor elements 1.
- each second semiconductor element 2 is bonded to the support member 3 (the conductive plate 32 described later) via the conductive bonding material 29.
- the conductive joining material 29 is made of, for example, solder, a metal paste material, or a sintered metal.
- the semiconductor device A1 is configured as, for example, a half-bridge type switching circuit.
- the plurality of first semiconductor elements 1 form an upper arm circuit of the semiconductor device A1, and the plurality of second semiconductor elements 2 form a lower arm circuit of the semiconductor device A1.
- the plurality of first semiconductor elements 1 are electrically connected in parallel to each other, and the plurality of second semiconductor elements 2 are electrically connected in parallel to each other. Further, each first semiconductor element 1 and each second semiconductor element 2 are electrically connected in series with each other.
- the semiconductor device A1 includes four first semiconductor elements 1 and four second semiconductor elements 2 (see FIGS. 2 and 5). The number of the first semiconductor element 1 and the second semiconductor element 2 is not limited to this configuration, and is appropriately determined according to the performance required for the semiconductor device A1.
- the support member 3 supports a plurality of first semiconductor elements 1 and a plurality of second semiconductor elements 2.
- the support member 3 includes a pair of conductive plates 31, 32 and a pair of insulating plates 33, 34.
- Each of the conductive plates 31 and 32 is made of a conductive material, and the conductive material is, for example, copper or a copper alloy.
- Each of the conductive plates 31 and 32 may be, for example, a laminated body in which layers made of copper and layers made of molybdenum are alternately laminated in the z direction. In this case, both the surface layers of the conductive plates 31 and 32 in the z1 direction and the z2 direction are layers made of copper.
- the conductive plate 31 is mounted with a plurality of first semiconductor elements 1 and supports them.
- the conductive plate 31 conducts to the first electrode 11 (drain electrode) of each first semiconductor element 1. Therefore, the first electrode 11 of each of the plurality of first semiconductor elements 1 conducts with each other via the conductive plate 31.
- the conductive plate 31 is, for example, a rectangular parallelepiped.
- the dimension of the conductive plate 31 along the z direction is larger than the dimension of the insulating substrate 41 along the z direction.
- the conductive plate 31 is an example of the “first mounting portion”.
- the conductive plate 31 has a mounting surface 31a facing in the z2 direction.
- Each of the first semiconductor elements 1 is joined to the mounting surface 31a, and the wiring portion 511 is joined to the mounting surface 31a.
- the conductive plate 31 is joined to the insulating plate 33 via the joining material 319.
- the joining material 319 may be conductive or insulating.
- the conductive plate 32 is mounted with a plurality of second semiconductor elements 2 and supports them.
- the conductive plate 32 conducts to the fourth electrode 21 (drain electrode) of each second semiconductor element 2. Therefore, the fourth electrode 21 of each of the plurality of second semiconductor elements 2 conducts with each other via the conductive plate 32.
- the conductive plate 32 has, for example, a rectangular parallelepiped shape.
- the dimension of the conductive plate 32 along the z direction is larger than the dimension of the insulating substrate 41 along the z direction.
- the conductive plate 32 is an example of the “second mounting portion”.
- the conductive plate 32 has a mounting surface 32a facing in the z2 direction.
- Each of the second semiconductor elements 2 is joined to the mounting surface 32a, and the wiring portion 514 is joined to the mounting surface 32a.
- the conductive plate 32 is joined to the insulating plate 34 via the bonding material 329.
- the joining material 329 may be conductive or insulating.
- the pair of insulating plates 33 and 34 are each made of an insulating material, and the insulating material is, for example, Al 2 O 3 .
- each of the insulating plates 33 and 34 has a rectangular shape when viewed in the z direction (hereinafter, also referred to as “planar view”).
- the insulating plate 33 supports the conductive plate 31.
- the insulating plate 34 supports the conductive plate 32.
- a plating layer may be formed on the surface of each of the insulating plates 33 and 34 to which the conductive plates 31 and 32 are joined.
- the plating layer is made of, for example, silver or a silver alloy.
- the insulating substrate 41 is made of an insulating material, for example, a glass epoxy resin. Instead of the glass epoxy resin, it may be composed of ceramics such as AlN (aluminum nitride), SiN (silicon nitride), and Al 2 O 3 (aluminum oxide).
- the insulating substrate 41 is an example of the “first insulating substrate”.
- the insulating substrate 41 has a main surface 411 and a back surface 412.
- the main surface 411 and the back surface 412 are separated from each other in the z direction.
- the main surface 411 faces the z2 direction, and the back surface 412 faces the z1 direction.
- the main surface 411 is an example of the "first main surface”
- the back surface 412 is an example of the "first back surface”.
- the insulating substrate 41 includes a plurality of through holes 413, one through hole 414, a plurality of openings 415, and a plurality of openings 416.
- each of the plurality of through holes 413 penetrates the insulating substrate 41 from the main surface 411 to the back surface 412 in the z direction.
- a metal member 59 is inserted into each through hole 413.
- the inner surface of the through hole 413 is not in contact with the metal member 59. Unlike this configuration, the inner surface of each through hole 413 may be in contact with the metal member 59.
- "inserted" means that a certain member (for example, each metal member 59) is in a through hole (for example, each through hole 413), and a certain member is formed on the inner surface of the through hole. It is not limited whether it is in contact or not.
- An insulating member different from the insulating substrate 41 may be formed in the gap between the metal member 59 and the through hole 413.
- the through hole 414 penetrates the insulating substrate 41 from the main surface 411 to the back surface 412 in the z direction. As shown in FIG. 7, a metal member 58 is inserted into the through hole 414. In the illustrated example, the inner surface of the through hole 414 is in contact with the metal member 58 (see FIG. 7), but may not be in contact with it.
- each opening 415 penetrates the insulating substrate 41 from the main surface 411 to the back surface 412 in the z direction, respectively. As shown in FIG. 7, each opening 415 surrounds a corresponding first semiconductor device 1 in a plan view. Each opening 415 is an example of a "first opening”.
- each of the plurality of openings 416 penetrates the insulating substrate 41 from the main surface 411 to the back surface 412 in the z direction. As shown in FIG. 7, each opening 416 surrounds a corresponding second semiconductor device 2 in plan view. Each opening 416 is an example of a "second opening”.
- Each of the plurality of insulating substrates 42 and 43 is made of an insulating material, and for example, like the insulating substrate 41, it is made of a glass epoxy resin.
- the insulating substrates 42 and 43 may be made of ceramics such as AlN (aluminum nitride), SiN (silicon nitride), and Al 2 O 3 (aluminum oxide) instead of the glass epoxy resin.
- Each of the insulating substrates 42, 43 is, for example, a plate material having a rectangular shape in a plan view.
- the plurality of insulating substrates 42 are arranged along the x direction.
- the plurality of insulating substrates 42 are arranged so as to be offset from each first semiconductor element 1 in the x direction.
- each insulating substrate 42 is located closer to the control terminal 61 and the detection terminal 63 with respect to the corresponding first semiconductor element 1 in the x direction. It is out of alignment.
- Each insulating substrate 42 is an example of a "second insulating substrate".
- Each insulating substrate 42 has a main surface 421 and a back surface 422, as shown in FIGS. 9 and 11. The main surface 421 and the back surface 422 are separated from each other in the z direction.
- the main surface 421 faces the z2 direction, and the back surface 422 faces the z1 direction.
- the back surface 422 of each insulating substrate 42 faces the main surface 411.
- the main surface 421 is an example of the "second main surface”
- the back surface 422 is an example of the "second back surface”.
- the plurality of insulating substrates 43 are arranged along the x direction. Each of the plurality of insulating substrates 43 is arranged so as to be offset from each second semiconductor element 2 in the x direction. In the example shown in FIG. 5 (see also FIGS. 4 and 6), each insulating substrate 43 is located closer to the control terminal 62 and the detection terminal 64 with respect to the corresponding second semiconductor element 2 in the x direction. It is out of alignment. Each insulating substrate 43 is an example of a “third insulating substrate”. Each insulating substrate 43 has a main surface 431 and a back surface 432 as shown in FIGS. 10 and 11. The main surface 431 and the back surface 432 are separated from each other in the z direction.
- the main surface 431 faces the z2 direction, and the back surface 432 faces the z1 direction.
- the back surface 432 of each insulating substrate 43 faces the main surface 411.
- the main surface 431 is an example of the "third main surface”
- the back surface 432 is an example of the "third back surface”.
- the plurality of wiring portions 511 to 514, 521 to 528, 531 to 534 are a part of the support member 3 (conductive plates 31, 32), a plurality of metal members 58, 59, and a plurality of connection members 711, 712, 721 to 724. , 731 to 734 together form a conduction path in the semiconductor device A1.
- the plurality of wiring portions 511 to 514, 521 to 528, 531 to 534 are separated from each other.
- the plurality of wiring portions 511 to 514, 521 to 528, 531 to 534 are made of, for example, copper or a copper alloy.
- each wiring portion 511 to 514, 521 to 528, 531 to 534 are the specifications of the semiconductor device A1 (rated current and allowable current, rated voltage and withstand voltage, internal inductance of the entire device). And the size of the device, etc.) will be changed as appropriate.
- the plurality of wiring portions 511 to 514 form a conduction path for the main current in the semiconductor device A1.
- the wiring unit 511 and the wiring unit 512 overlap each other in a plan view (see FIGS. 6 and 9), and the wiring unit 513 and the wiring unit 514 overlap each other (see FIGS. 6 and 10).
- the wiring portion 511 is formed on the back surface 412 of the insulating substrate 41. As shown in FIGS. 9 and 11 to 13, the wiring portion 511 is joined to the mounting surface 31a of the conductive plate 31. The wiring portion 511 conducts to the first electrode 11 (drain electrode) of each of the plurality of first semiconductor elements 1 via the conductive plate 31.
- the wiring portion 511 includes a plurality of openings 511a and at least one through hole 511b, as shown in FIGS. 8, 12, and 13. As shown in FIGS. 12 and 13, the plurality of openings 511a each penetrate in the z direction. As can be seen from FIGS. 12 and 13, the plurality of openings 511a each overlap the plurality of openings 415 of the insulating substrate 41 in a plan view. As shown in FIG. 8, each opening 511a surrounds a corresponding first semiconductor device 1 in a plan view.
- the through hole 511b penetrates the wiring portion 511 in the z direction. As shown in FIG. 8, a metal member 58 is fitted in the through hole 511b.
- the wiring portion 512 is formed on the main surface 411 of the insulating substrate 41. As will be understood from FIGS. 5 and 6, the wiring portion 512 conducts to the fifth electrode 22 (source electrode) of each second semiconductor element 2 via the plurality of connecting members 712. The wiring portion 512 is formed so as to avoid a plurality of first semiconductor elements 1 in a plan view.
- the wiring portion 513 is formed on the main surface 411 of the insulating substrate 41.
- the wiring unit 513 is located in the y1 direction with respect to the wiring unit 512 in a plan view.
- the wiring portion 513 conducts to the second electrode 12 (source electrode) of each first semiconductor element 1 via the plurality of connecting members 711. Further, the wiring portion 513 conducts to the fourth electrode 21 (drain electrode) of each second semiconductor element 2 via the wiring portion 514 and each metal member 59 according to the configuration described in detail later.
- the wiring portion 513 is formed so as to avoid a plurality of second semiconductor elements 2 in a plan view.
- the wiring portion 513 includes a plurality of through holes 513a.
- each of the through holes 513a is fitted with a plurality of metal members 59, one for each.
- the inner surface of each through hole 513a is in contact with the metal member 59.
- “fitted” means that a member (for example, each metal member 59) is in a through hole (for example, each through hole 513a), and the member is in contact with the inner surface of the through hole. Is what you are doing. That is, the "fitted" state corresponds to the "inserted” state in contact with the inner surface of the through hole.
- each through hole 513a is circular in a plan view (see FIG. 6), but is appropriately changed depending on the shape of each metal member 59.
- the wiring portion 514 is formed on the back surface 412 of the insulating substrate 41.
- the wiring portion 514 is joined to the mounting surface 32a of the conductive plate 32 as shown in FIGS. 8, 10 to 12, and 14.
- the wiring portion 514 conducts to the fourth electrode 21 (drain electrode) of each of the plurality of second semiconductor elements 2 via the conductive plate 32. Further, the wiring portion 514 conducts to the second electrode 12 (source electrode) of each first semiconductor element 1 via the wiring portion 513 and the metal member 59 according to the configuration described in detail later.
- the wiring portion 514 includes a plurality of openings 514a and a plurality of through holes 514b, as shown in FIGS. 8, 11, 12, and 14. As shown in FIG. 12, each of the plurality of openings 514a penetrates in the z direction. As can be seen from FIGS. 12 and 14, the plurality of openings 514a each overlap the plurality of openings 416 of the insulating substrate 41 in a plan view. As shown in FIG. 8, each opening 514a surrounds a corresponding second semiconductor device 2 in a plan view. As shown in FIG. 11, each of the plurality of through holes 514b penetrates the wiring portion 514 in the z direction. In a plan view, the plurality of through holes 514b each overlap the plurality of through holes 513a of the wiring portion 513. A metal member 59 is fitted in each through hole 514b.
- the wiring unit 511 includes a first power terminal unit 501 located at the end on the x2 direction side.
- the first power terminal portion 501 is conductive to the first electrode 11 (drain electrode) of each of the plurality of first semiconductor elements 1.
- the wiring portion 512 includes a second power terminal portion 502 located at the end on the x2 direction side.
- the second power terminal portion 502 conducts to the fifth electrode 22 (source electrode) of each of the plurality of second semiconductor elements 2.
- the wiring unit 513 includes a third power terminal unit 503 located at the end on the x2 direction side.
- the third power terminal portion 503 conducts to the second electrode 12 (source electrode) of each of the plurality of first semiconductor elements 1 and the fourth electrode 21 (drain electrode) of each of the plurality of second semiconductor elements 2.
- the wiring portion 514 includes a fourth power terminal portion 504 located at the end on the x2 direction side. The fourth power terminal portion 504 conducts to the second electrode 12 (source electrode) of each of the plurality of first semiconductor elements 1 and the fourth electrode 21 (drain electrode) of each of the plurality of second semiconductor elements 2.
- the first power terminal portion 501, the second power terminal portion 502, the third power terminal portion 503, and the fourth power terminal portion 504 are separated from each other, and each is exposed from the sealing member 8.
- the surfaces of the first power terminal portion 501, the second power terminal portion 502, the third power terminal portion 503, and the fourth power terminal portion 504 are each plated.
- the first power terminal portion 501 and the second power terminal portion 502 overlap each other in a plan view.
- the third power terminal portion 503 and the fourth power terminal portion 504 overlap each other in a plan view.
- the semiconductor device A1 includes a third power terminal unit 503 and a fourth power terminal unit 504, but unlike this configuration, any one of the third power terminal unit 503 and the fourth power terminal unit 504. Only one may be included.
- the first power terminal unit 501 and the second power terminal unit 502 are connected to, for example, an external DC power supply, and a power supply voltage (DC voltage) is applied.
- the first power terminal portion 501 is a P terminal connected to the positive electrode of the DC power supply
- the second power terminal portion 502 is an N terminal connected to the negative electrode of the DC power supply.
- the DC voltage applied to the first power terminal unit 501 and the second power terminal unit 502 is converted into an AC voltage by each switching operation of the plurality of first semiconductor elements 1 and each switching operation of the plurality of second semiconductor elements 2. Will be done.
- the converted voltage (AC voltage) is output from the third power terminal unit 503 and the fourth power terminal unit 504, respectively.
- the plurality of wiring units 521 to 525 and 531 to 534 form a conduction path for control signals in the semiconductor device A1.
- the wiring portion 521 is formed on the main surface 411 of the insulating substrate 41. As shown in FIG. 5, the wiring unit 521 is connected to the control terminal 61.
- the wiring unit 521 is an example of the “first wiring unit”.
- the wiring portion 521 includes a pad portion 521a, a band-shaped portion 521b, and a connecting portion 521c.
- the pad portion 521a is a portion of the wiring portion 521 to which the control terminal 61 is joined.
- the band-shaped portion 521b extends along the x direction in a plan view.
- the band-shaped portion 521b is located on one side in the x direction (the side in the x2 direction in the examples shown in FIGS. 5 and 6) with respect to the pad portion 521a.
- the band-shaped portion 521b is an example of the “first band-shaped portion”.
- the connecting portion 521c connects the pad portion 521a and the strip-shaped portion 521b.
- the wiring portion 522 is formed on the main surface 411 of the insulating substrate 41. As shown in FIG. 5, the wiring unit 522 is connected to the control terminal 62.
- the wiring unit 522 is an example of the "fifth wiring unit".
- the wiring portion 522 includes a pad portion 522a, a band-shaped portion 522b, and a connecting portion 523c.
- the pad portion 522a is a portion of the wiring portion 522 to which the control terminal 62 is joined.
- the band-shaped portion 522b extends along the x direction in a plan view.
- the band-shaped portion 522b is located on one side in the x direction (the side in the x2 direction in the examples shown in FIGS. 5 and 6) with respect to the pad portion 522a.
- the band-shaped portion 522b is an example of the “third band-shaped portion”.
- the connecting portion 522c connects the pad portion 522a and the strip-shaped portion 522b.
- the wiring portion 523 is formed on the main surface 411 of the insulating substrate 41. As shown in FIG. 5, the wiring unit 523 is connected to the detection terminal 63.
- the wiring unit 523 is an example of the "third wiring unit”.
- the wiring portion 523 includes a pad portion 523a, a band-shaped portion 523b, and a connecting portion 523c.
- the pad portion 523a is a portion of the wiring portion 523 to which the detection terminal 63 is joined.
- the band-shaped portion 523b extends along the x direction in a plan view.
- the band-shaped portion 523b is located on one side in the x direction (the side in the x2 direction in the examples shown in FIGS. 5 and 6) with respect to the pad portion 523a.
- the band-shaped portion 523b is an example of the “second band-shaped portion”.
- the connecting portion 523c connects the pad portion 523a and the strip-shaped portion 523b.
- the wiring portion 524 is formed on the main surface 411 of the insulating substrate 41. As shown in FIG. 5, the wiring unit 524 is connected to the detection terminal 64.
- the wiring unit 524 is an example of the "seventh wiring unit”.
- the wiring portion 524 includes a pad portion 524a, a band-shaped portion 524b, and a connecting portion 524c.
- the pad portion 524a is a portion of the wiring portion 524 to which the detection terminal 64 is joined.
- the strip 524b extends along the x direction in plan view.
- the band-shaped portion 524b is located on one side in the x direction (the side in the x2 direction in the examples shown in FIGS. 5 and 6) with respect to the pad portion 524a.
- the band-shaped portion 524b is an example of the “fourth band-shaped portion”.
- the connecting portion 524c connects the pad portion 524a and the strip-shaped portion 524b.
- a plurality of second semiconductor elements 2 are arranged rather than a plurality of first semiconductor elements 1 in the y direction. It is located on the opposite side of the side (that is, in the y2 direction).
- the strip-shaped portion 521b and the strip-shaped portion 523b are arranged so that their longitudinal directions are parallel to each other.
- the strip-shaped portion 523b is located opposite to the side where the plurality of first semiconductor elements 1 are arranged (that is, in the y2 direction) with respect to the strip-shaped portion 521b (see FIGS. 5 and 6).
- the positional relationship between the band-shaped portion 521b and the band-shaped portion 523b may be opposite.
- the plurality of insulating substrates 42 are arranged on the strip-shaped portion 521b and the strip-shaped portion 523b, respectively, and straddle them.
- a plurality of first semiconductor elements 1 are arranged rather than a plurality of second semiconductor elements 2 in the y direction. It is located on the opposite side of the side (that is, in the y1 direction).
- the strip-shaped portion 522b and the strip-shaped portion 524b are arranged so that their longitudinal directions are parallel to each other.
- the band-shaped portion 524b is located opposite to the side where the plurality of second semiconductor elements 2 are arranged (that is, in the y1 direction) with respect to the band-shaped portion 522b (see FIGS. 5 and 6).
- the positional relationship between the band-shaped portion 522b and the band-shaped portion 524b may be opposite.
- the plurality of insulating substrates 43 are arranged on the strip-shaped portion 522b and the strip-shaped portion 524b, respectively, and straddle them.
- the wiring portion 525 is formed on the main surface 411 of the insulating substrate 41. As shown in FIG. 5, the wiring unit 525 is connected to the detection terminal 65. As shown in FIG. 6, a through hole 525a is formed in the wiring portion 525. The through hole 525a penetrates the wiring portion 525 in the z direction. A metal member 58 is fitted in the through hole 525a.
- Each of the plurality of wiring portions 526 and 527 is formed on the main surface 411 of the insulating substrate 41.
- Each of the plurality of wiring portions 526 is formed in a region of the main surface 411 sandwiched between two first semiconductor elements 1 adjacent to each other in the x direction in a plan view.
- Each of the plurality of wiring portions 527 is formed in a region of the main surface 411 sandwiched between two second semiconductor elements 2 adjacent to each other in the x direction in a plan view.
- each wiring portion 526,527 has a rectangular shape in a plan view (see FIGS. 5 and 6), but the present disclosure is not limited thereto.
- Each wiring portion 526 may be integrally formed with the wiring portion 512, or each wiring portion 527 may be integrally formed with the wiring portion 513.
- the plurality of wiring portions 526 and 527 are not electrically connected to any of the plurality of first semiconductor elements 1 and the plurality of second semiconductor elements 2, respectively.
- Each of the plurality of wiring portions 528 is formed on the main surface 411 of the insulating substrate 41. Each of the plurality of wiring portions 528 is formed in the vicinity of the end edge in the y direction of the main surface 411.
- the plurality of wiring units 528 are arranged in either the y2 direction from the wiring unit 523 or the y1 direction from the wiring unit 524 in the y direction. As shown in FIG. 5, each wiring portion 528 is connected to each side terminal 66. In the semiconductor device A1, the plurality of wiring portions 528 are not electrically connected to any of the plurality of first semiconductor elements 1 and the plurality of second semiconductor elements 2, respectively.
- each wiring portion 531 is formed on the main surface 421 of the plurality of insulating substrates 42, respectively. As will be understood from FIGS. 5 and 6, each wiring portion 531 conducts to the third electrode 13 (gate electrode) of the corresponding first semiconductor element 1 via the corresponding one connecting member 721. .. Further, each wiring unit 531 conducts to the wiring unit 521 via one corresponding connection member 731. Each wiring unit 531 is an example of a "second wiring unit".
- each wiring portion 532 is each formed on the main surface 431 of the plurality of insulating substrates 43. As will be understood from FIGS. 5 and 6, each wiring portion 532 conducts to the sixth electrode 23 (gate electrode) of the corresponding second semiconductor element 2 via the corresponding one connecting member 722. .. Further, each wiring unit 532 conducts to the wiring unit 522 via one corresponding connection member 732. Each wiring unit 532 is an example of the "sixth wiring unit".
- each wiring unit 533 conducts to the second electrode 12 (source electrode) of the corresponding first semiconductor element 1 via the corresponding one connecting member 723. .. Further, each wiring unit 533 conducts to the wiring unit 523 via one corresponding connection member 733.
- Each wiring unit 533 is an example of the "fourth wiring unit”.
- each wiring unit 534 conducts to the fifth electrode 22 (source electrode) of the corresponding second semiconductor element 2 via the corresponding one connecting member 724. .. Further, each wiring unit 534 conducts to the wiring unit 524 via one corresponding connection member 734.
- Each wiring unit 534 is an example of the "eighth wiring unit”.
- each of the plurality of metal members 59 penetrates the insulating substrate 41 in the z direction and conducts the wiring portion 513 and the wiring portion 514.
- Each metal member 59 is, for example, columnar.
- the plan view shape of each metal member 59 is circular (see FIGS. 5 to 8), but the plan view shape of each metal member 59 is not circular but elliptical or polygonal. May be good.
- the constituent material of each metal member 59 is, for example, copper or a copper alloy.
- the plurality of metal members 59 are fitted into the through holes 513a of the wiring portion 513 and the through holes 514b of the wiring portion 514, and are fitted into the through holes 413 of the insulating substrate 41. It is inserted in.
- Each metal member 59 is in contact with the inner surface of the through hole 513a or the inner surface of the through hole 514b.
- Each metal member 59 is supported by being fitted into the through hole 513a or the through hole 514b. At this time, if there is a gap between the metal member 59 and the inner surface of the through hole 513a and between the metal member 59 and the inner surface of the through hole 514b, it is advisable to pour solder into this gap.
- the gap is filled with solder, and each metal member 59 is fixed to the wiring portion 513 and the wiring portion 514.
- solder can also be filled in the gap between the metal member 59 and the inner surface of the through hole 413 of the insulating substrate 41.
- the metal member 58 penetrates the insulating substrate 41 in the z direction and conducts the wiring portion 511 and the wiring portion 525.
- the metal member 58 is, for example, columnar.
- the plan view shape of the metal member 58 is circular (see FIGS. 6 to 8), but the plan view shape of the metal member 58 may be elliptical or polygonal instead of circular. ..
- the constituent material of the metal member 58 is, for example, copper or a copper alloy.
- the metal member 58 is fitted into the through hole 525a of the wiring portion 525 or the through hole 511b of the wiring portion 511, and is also inserted into the through hole 414 of the insulating substrate 41.
- the metal member 58 is in contact with the inner surface of the through hole 525a, the inner surface of the through hole 511b, or the inner surface of the through hole 414, respectively.
- the metal member 58 is supported by being fitted into through holes 525a, 511b, 414. At this time, if there is a gap between the metal member 58 and the inner surfaces of the through holes 525a, 511b, 414, it is advisable to pour solder into this gap. As a result, the gap is filled with solder, and the metal member 58 is fixed to each wiring portion 511, 525 and the insulating substrate 41.
- each first semiconductor element 1 is formed by each opening 415 of the insulating substrate 41, each opening 511a of the wiring portion 511, and a conductive plate 31. It is housed in a depression.
- the element main surface 1a of each first semiconductor element 1 overlaps with either the insulating substrate 41 or the wiring portion 511 when viewed in a direction orthogonal to the z direction (for example, the y direction), but the wiring portion It may overlap with 521. In any case, each first semiconductor element 1 does not protrude upward in the z direction (z2 direction) from the wiring portion 521.
- FIGS. 12 and 13 each first semiconductor element 1 is formed by each opening 415 of the insulating substrate 41, each opening 511a of the wiring portion 511, and a conductive plate 31. It is housed in a depression.
- the element main surface 1a of each first semiconductor element 1 overlaps with either the insulating substrate 41 or the wiring portion 511 when viewed in a direction orthogonal to the z direction (for example, the
- each second semiconductor element 2 is formed in a recess formed by each opening 416 of the insulating substrate 41, each opening 514a of the wiring portion 514, and the conductive plate 32. It is contained.
- the element main surface 2a of each second semiconductor element 2 overlaps with either the insulating substrate 41 or the wiring portion 514 when viewed in a direction orthogonal to the z direction (for example, the y direction), but the wiring portion It may overlap with 522. In any case, each second semiconductor element 2 does not protrude upward in the z direction (z2 direction) from the wiring portion 522.
- the plurality of control terminals 61 and 62, the plurality of detection terminals 63 to 65, and the plurality of side terminals 66 are each made of a conductive material.
- This conductive material is, for example, copper or a copper alloy.
- the control terminal 61 conducts to the third electrode 13 (gate electrode) of each first semiconductor element 1.
- a first drive signal for controlling the switching operation of each first semiconductor element 1 is input to the control terminal 61.
- the control terminal 61 includes a portion covered with the sealing member 8 and a portion exposed from the sealing member 8. The portion of the control terminal 61 covered with the sealing member 8 is joined to the pad portion 521a of the wiring portion 521.
- An external control device (for example, a gate driver) is connected to a portion of the control terminal 61 exposed from the sealing member 8, and a first drive signal (gate voltage) is input from the control device.
- the control terminal 61 is an example of the “first control terminal”.
- the control terminal 62 conducts to the sixth electrode 23 (gate electrode) of each second semiconductor element 2.
- a second drive signal for controlling the switching operation of each second semiconductor element 2 is input to the control terminal 62.
- the control terminal 62 includes a portion covered with the sealing member 8 and a portion exposed from the sealing member 8.
- the portion of the control terminal 62 covered with the sealing member 8 is joined to the pad portion 522a of the wiring portion 522.
- the external control device is connected to the portion of the control terminal 62 exposed from the sealing member 8, and the second drive signal (gate voltage) is input from the control device.
- the control terminal 62 is an example of a “second control terminal”.
- the detection terminal 63 conducts to the second electrode 12 (source electrode) of each first semiconductor element 1.
- the detection terminal 63 outputs a first detection signal indicating a conduction state of each first semiconductor element 1.
- the voltage (voltage corresponding to the source current) applied to the second electrode 12 of each first semiconductor element 1 is output from the detection terminal 63 as the first detection signal.
- the detection terminal 63 includes a portion covered with the sealing member 8 and a portion exposed from the sealing member 8.
- the portion of the detection terminal 63 covered with the sealing member 8 is joined to the pad portion 523a of the wiring portion 523.
- the external control device is connected to the portion of the detection terminal 63 exposed from the sealing member 8, and the first detection signal is output to the control device.
- the detection terminal 63 is an example of the “first detection terminal”.
- the detection terminal 64 conducts to the fifth electrode 22 (source electrode) of each second semiconductor element 2.
- the detection terminal 64 outputs a second detection signal indicating a conduction state of each second semiconductor element 2.
- the voltage (voltage corresponding to the source current) applied to the fifth electrode 22 of each second semiconductor element 2 is output from the detection terminal 64 as the second detection signal.
- the detection terminal 64 includes a portion covered with the sealing member 8 and a portion exposed from the sealing member 8.
- the portion of the detection terminal 64 covered by the sealing member 8 is joined to the pad portion 524a of the wiring portion 524.
- the external control device is connected to the portion of the detection terminal 64 exposed from the sealing member 8, and the second detection signal is output to the control device.
- the detection terminal 64 is an example of a “second detection terminal”.
- the detection terminal 65 conducts to the first electrode 11 (drain electrode) of each first semiconductor element 1.
- the detection terminal 65 outputs a voltage (voltage corresponding to the drain current) applied to the first electrode 11 of each first semiconductor element 1.
- the detection terminal 65 includes a portion covered with the sealing member 8 and a portion exposed from the sealing member 8. The portion of the detection terminal 65 covered with the sealing member 8 is joined to the wiring portion 525.
- the portion exposed from the sealing member 8 is connected to the external control device, and the voltage (drain current) applied to the first electrode 11 of each first semiconductor element 1 is connected to the control device. Corresponding voltage) is output.
- the plurality of side terminals 66 do not conduct to any of the plurality of first semiconductor elements 1 and the plurality of second semiconductor elements 2, respectively.
- Each of the plurality of side terminals 66 includes a portion covered with the sealing member 8 and a portion exposed from the sealing member 8.
- the portion covered by the sealing member 8 is joined to any of the plurality of wiring portions 528.
- the portion exposed from the sealing member 8 protrudes from the sealing member 8 in the y direction.
- the semiconductor device A1 includes a plurality of side terminals 66, but may not include the plurality of side terminals 66. In this case, the semiconductor device A1 does not have to include a plurality of wiring portions 528.
- Each of the plurality of connecting members 7 conducts two portions separated from each other.
- the plurality of connecting members 7 includes a plurality of connecting members 711,712, 721 to 724, and 731 to 734.
- Each of the plurality of connecting members 7 is, for example, a bonding wire.
- a part of the plurality of connecting members 7 (for example, the plurality of connecting members 711 and 712) may be a metal plate material instead of the bonding wire.
- Each constituent material of the plurality of connecting members 7 may be either gold, aluminum or copper.
- the plurality of connecting members 711 are joined to the second electrode 12 (source electrode) of each of the plurality of first semiconductor elements 1 and the wiring portion 513 to conduct them.
- the connecting member 711 may be joined to the upper surface of a plurality of metal members 59 instead of the wiring portion 513.
- the connecting member 712 is joined to each fifth electrode 22 (source electrode) of the plurality of second semiconductor elements 2 and the wiring portion 512 to conduct them.
- each connecting member 721 extends in the x direction from the joint portion with each third electrode 13 toward the joint portion with each wiring portion 531 so as to approach the control terminal 61 (FIG. 5). reference).
- Each connecting member 721 is an example of a "second connecting member”.
- each connecting member 722 extends from the joint portion with each sixth electrode 23 toward the joint portion with each wiring portion 532 toward the control terminal 62 in the x direction (FIG. 5). reference).
- Each connecting member 722 is an example of the "sixth connecting member”.
- each connecting member 723 extends from the joint portion with each second electrode 12 toward the joint portion with each wiring portion 533 toward the detection terminal 63 in the x direction (FIG. 5). reference).
- Each connecting member 723 is an example of a "fourth connecting member”.
- each connecting member 724 extends from the joint portion with each fifth electrode 22 toward the joint portion with each wiring portion 534 toward the detection terminal 64 in the x direction (FIG. 5). reference).
- Each connecting member 724 is an example of the "eighth connecting member”.
- each connecting member 731 extends away from the control terminal 61 from the joint portion with each wiring portion 531 toward the joint portion with the wiring portion 521 in the x direction (see FIG. 5). ..
- Each connecting member 731 extends along the x direction in a plan view.
- Each connecting member 731 is an example of a "first connecting member".
- each connecting member 732 extends from the joint portion with each wiring portion 532 toward the joint portion with the wiring portion 522 away from the control terminal 62 in the x direction (see FIG. 5). ..
- Each connecting member 732 extends along the x direction in a plan view.
- Each connecting member 732 is an example of a "fifth connecting member".
- each connecting member 733 extends away from the detection terminal 63 from the joint portion with each wiring portion 533 toward the joint portion with the wiring portion 523 in the x direction (see FIG. 5). ..
- Each connecting member 733 extends along the x direction in a plan view.
- Each connecting member 733 is an example of a "third connecting member".
- each connecting member 734 extends away from the detection terminal 64 from the joint portion with each wiring portion 534 toward the joint portion with the wiring portion 524 in the x direction (see FIG. 5). ..
- Each connecting member 734 extends along the x direction in plan view.
- Each connecting member 734 is an example of a "seventh connecting member".
- the sealing member 8 includes a plurality of first semiconductor elements 1, a plurality of second semiconductor elements 2, a part of a support member 3, a plurality of insulating substrates 41 to 43, and a part of a plurality of wiring portions 511 to 514. 521 to 528, 531 to 534, a part of a pair of control terminals 61, 62, a part of a plurality of detection terminals 63 to 65, a part of a plurality of side terminals 66, and a plurality of Covers the connecting member 7.
- the sealing member 8 is made of an insulating resin material such as an epoxy resin. As shown in FIG. 5, the sealing member 8 has a rectangular shape in a plan view.
- the sealing member 8 has a resin main surface 81, a resin back surface 82, and a plurality of resin side surfaces 831 to 834.
- the resin main surface 81 and the resin back surface 82 are separated from each other in the z direction.
- the resin main surface 81 faces the z2 direction
- the resin back surface 82 faces the z1 direction.
- the resin side surface 831 and the resin side surface 832 are separated from each other in the x direction.
- the resin side surface 831 faces the x1 direction
- the resin side surface 832 faces the x2 direction.
- the pair of control terminals 61 and 62 and the plurality of detection terminals 63 to 65 each project from the resin side surface 831. As shown in FIGS. 5, 11 and 12, the resin side surface 833 and the resin side surface 834 are separated from each other in the y direction. The resin side surface 833 faces the y1 direction, and the resin side surface 834 faces the y2 direction. Each of the plurality of side terminals 66 protrudes from either the resin side surface 833 or the resin side surface 834.
- the sealing member 8 has notches formed on the resin side surface 832 from the resin main surface 81 and the resin back surface 82, respectively. Due to the notch, as shown in FIGS. 1, 5, 9 and 10, the first power terminal portion 501, the second power terminal portion 502, the third power terminal portion 503 and the fourth power terminal portion 504 are respectively. , Exposed from the sealing member 8.
- the effects of the semiconductor device A1 are as follows.
- the wiring unit 531 is interposed in the conduction path between the wiring unit 521 to which the control terminal 61 is connected and the third electrode 13 of each first semiconductor element 1. According to this configuration, the distance of the conduction path from the third electrode 13 to the control terminal 61 can be extended as compared with the case where the connection member 721 is directly connected to the wiring portion 521. Therefore, since the transmission path of the first drive signal from the control terminal 61 to each first semiconductor element 1 can be lengthened, the inductance component in the transmission path can be increased. As a result, the semiconductor device A1 can suppress the oscillation of the first drive signal.
- a plurality of first semiconductor elements 1 are arranged along the x direction. Further, the control terminal 61 is arranged on one side in the x direction (in the example of FIG. 5, the side in the x1 direction) with respect to the plurality of first semiconductor elements 1.
- the connecting member 721 is directly connected to the wiring portion 521 instead of the wiring portion 531 with respect to the first semiconductor element 1 located on the most one side in the x direction
- the third electrode 13 of the first semiconductor element 1 is used.
- the conduction path to the control terminal 61 tends to be short. That is, the oscillation of the first drive signal is likely to occur due to the arrangement of the plurality of first semiconductor elements 1 and the arrangement of the control terminals 61.
- the wiring portion 531 is interposed in the conduction path between the third electrode 13 and the control terminal 61, and the third electrode 13 to the control terminal 61. Prolonging the distance of the conduction path is effective in suppressing the oscillation of the first drive signal input to the first semiconductor element 1.
- the semiconductor device A1 includes one wiring unit 531 for each first semiconductor element 1, and each first semiconductor element 1 conducts to the wiring unit 521 via the wiring unit 531.
- two wiring portions 531 are interposed in the conduction path between the third electrodes 13 of each of the two arbitrary first semiconductor elements 1. Therefore, the distance of the conduction path between the two arbitrary third electrodes 13 can be extended as compared with the case where the connecting member 721 is directly connected to the wiring portion 521.
- the connecting member 721 is directly connected to the wiring portion 521.
- the parasitic resonance that occurs when a plurality of first semiconductor elements 1 are connected in parallel can be suppressed.
- Parasitic resonance that occurs when a plurality of first semiconductor elements 1 are connected in parallel is suppressed by equalizing the conduction path from the first power terminal portion 501 to the first electrode 11 of each first semiconductor element 1. Is also possible.
- the positional relationship between the plurality of first semiconductor elements 1 and the first power terminal portion 501 is limited, or when the frequency of parasitic resonance is high (for example, several hundred MHz), as in the present disclosure, It is preferable to extend the distance of the conduction path between the third electrodes 13 in order to suppress parasitic resonance.
- each insulating substrate 42 is arranged on the side where the control terminal 61 is located with respect to each first semiconductor element 1 in the x direction. Then, in each connection member 731, the control terminal 61 is located at a portion connected to the wiring portion 521 (strip-shaped portion 521b) rather than the portion connected to the wiring portion 531 than the first semiconductor element 1 in the x direction. It is located on the opposite side of the wiring.
- the semiconductor device A1 can extend the conduction path from the third electrode 13 of each first semiconductor element 1 to the wiring portion 521 (strip-shaped portion 521b). That is, in the semiconductor device A1, the distance of the conduction path between the third electrodes 13 is extended.
- the semiconductor device A1 includes a connecting member 721 and a connecting member 731.
- the connecting member 721 conducts the third electrode 13 of the first semiconductor element 1 and the wiring portion 531
- the connecting member 731 conducts the wiring portion 521 and the wiring portion 531.
- Each of the connecting members 721 and 731 is, for example, a bonding wire. Since each of the connecting members 721 and 731 is a bonding wire, the length of each connecting member 721 and 731 can be easily adjusted. Therefore, by adjusting the length with each connecting member 721, 731 and adjusting the parasitic inductance component of each connecting member 721, 731, the parasitic inductance from the control terminal 61 to the third electrode 13 of the first semiconductor element 1 is present. The inductance component can be adjusted. Therefore, in the semiconductor device A1, it becomes easy to finely adjust the parasitic inductance component from the control terminal 61 to the third electrode 13 of each first semiconductor element 1 according to the variation in the characteristics of each first semiconductor element 1. ..
- one wiring unit 533 is provided for each first semiconductor element 1, and all the first semiconductor elements 1 are electrically connected to the wiring unit 523 via the wiring unit 533. ..
- the connection member 723 is not directly connected to the wiring portion 523.
- the distance of the conduction path between the second electrodes 12 can be extended.
- the parasitic resonance that occurs when a plurality of first semiconductor elements 1 are connected in parallel is not only the loop path that passes through the first electrode 11 and the third electrode 13 of each first semiconductor element 1, but also the first of each first semiconductor element 1. It may also occur due to a loop path through the two electrodes 12 and the third electrode 13. Therefore, by extending the distance of the conduction path between the second electrodes 12, it is possible to suppress the parasitic resonance that occurs when a plurality of first semiconductor elements 1 are connected in parallel.
- the wiring unit 532 is interposed in the conduction path between the wiring unit 522 to which the control terminal 62 is connected and the sixth electrode 23 of the second semiconductor element 2. According to this configuration, the distance of the conduction path from each sixth electrode 23 to the control terminal 62 can be extended as compared with the case where the connection member 722 is directly connected to the wiring portion 522. Therefore, since the transmission path of the second drive signal from the control terminal 62 to the second semiconductor element 2 can be lengthened, the inductance component in the transmission path can be increased. As a result, the semiconductor device A1 can suppress the oscillation of the second drive signal.
- a plurality of second semiconductor elements 2 are arranged along the x direction. Further, the control terminal 62 is arranged on one side in the x direction (on the side in the x1 direction in the example of FIG. 5) with respect to the plurality of second semiconductor elements 2.
- the second semiconductor element 2 located on one side in the x-direction is the sixth electrode 23 of the second semiconductor element 2 when the connecting member 722 is directly connected to the wiring portion 522 instead of the wiring portion 532.
- the distance of the conduction path from the to the control terminal 62 tends to be short. That is, the oscillation of the second drive signal is likely to occur due to the arrangement of the plurality of second semiconductor elements 2 and the arrangement of the control terminals 62.
- the wiring portion 532 is interposed in the conduction path between the sixth electrode 23 and the control terminal 62, and the sixth electrode 23 to the control terminal 62. Prolonging the distance of the conduction path is effective in suppressing the oscillation of the second drive signal input to the second semiconductor element 2.
- one wiring unit 532 is provided for each second semiconductor element 2, and all the second semiconductor elements 2 are electrically connected to the wiring unit 522 via the wiring unit 532. ..
- the connection member 722 is more than directly connected to the wiring portion 522. , The distance of the conduction path between the sixth electrodes 23 can be extended.
- parasitic resonance caused by the formation of a loop path passing through the fourth electrode 21 and the sixth electrode 23 of each second semiconductor element 2 can be suppressed. That is, the semiconductor device A1 can suppress the parasitic resonance that occurs when a plurality of second semiconductor elements 2 are connected in parallel.
- each insulating substrate 43 is arranged on the side where the control terminal 62 is located with respect to each second semiconductor element 2 in the x direction. Then, in each connection member 732, the control terminal 62 is located at a portion connected to the wiring portion 522 (belt-shaped portion 522b) rather than the portion connected to the wiring portion 532 with respect to each second semiconductor element 2 in the x direction. It is located on the opposite side of the wiring.
- the semiconductor device A1 can extend the conduction path from the sixth electrode 23 of each second semiconductor element 2 to the wiring portion 522 (strip-shaped portion 522b). That is, in the semiconductor device A1, the distance of the conduction path between the sixth electrodes 23 is extended.
- the semiconductor device A1 includes a connecting member 722 and a connecting member 732.
- the connecting member 722 conducts the sixth electrode 23 of the second semiconductor element 2 and the wiring portion 532
- the connecting member 732 conducts the wiring portion 522 and the wiring portion 532.
- Each of the connecting members 722 and 732 is, for example, a bonding wire. Since each connecting member 722,732 is a bonding wire, the length of each connecting member 722, 732 can be easily adjusted. Therefore, by adjusting the length with each connecting member 722,732 and adjusting the parasitic inductance component of each connecting member 722,732, the parasitic inductance from the control terminal 62 to the sixth electrode 23 of the second semiconductor element 2 is present. The inductance component can be adjusted. Therefore, in the semiconductor device A1, it becomes easy to finely adjust the parasitic inductance component from the control terminal 62 to the sixth electrode 23 of each second semiconductor element 2 according to the variation in the characteristics of each second semiconductor element 2. ..
- one wiring unit 534 is provided for each second semiconductor element 2, and all the second semiconductor elements 2 are electrically connected to the wiring unit 524 via the wiring unit 534. ..
- each fifth electrode is rather than directly connecting the connecting member 724 to the wiring portion 524.
- the distance between the 22 conduction paths can be extended.
- the parasitic resonance that occurs when a plurality of second semiconductor elements 2 are connected in parallel is not only the loop path that passes through the fourth electrode 21 and the sixth electrode 23 of each second semiconductor element 2, but also the second of each second semiconductor element 2. It may also occur due to a loop path through the 5th electrode 22 and the 6th electrode 23. Therefore, by extending the distance of the conduction path between the fifth electrodes 22, it is possible to suppress the parasitic resonance that occurs when a plurality of second semiconductor elements 2 are connected in parallel.
- each wiring portion 531,533 is formed on each insulating substrate 42. According to this configuration, the wiring portions 512, 513, 521 to 528 formed on the main surface 411 of the insulating substrate 41 and the wiring portions 531 and 533 can be easily separated from each other. Similarly, each wiring portion 532, 534 is formed on each insulating substrate 43. According to this configuration, the wiring portions 512, 513, 521 to 528 formed on the main surface 411 of the insulating substrate 41 and the wiring portions 532, 534 can be easily separated from each other.
- each insulating substrate 42 is arranged on the strip-shaped portion 521b and the strip-shaped portion 523b so as to straddle the strip-shaped portion 521b. It may be arranged at a position away from the above.
- each insulating substrate 42 may be appropriately arranged on each wiring unit 526, wiring unit 512, each wiring unit 528, or the like, or may be arranged on the main surface 411 of the insulating substrate 41.
- each insulating substrate 43 is arranged on the strip-shaped portion 522b and the strip-shaped portion 524b so as to straddle the strip-shaped portion 522b. It may be arranged at a position away from 524.
- each insulating substrate 43 may be appropriately arranged on each wiring portion 527, wiring portion 513, each wiring portion 528, or the like, or may be arranged on the main surface 411 of the insulating substrate 41.
- FIG. 15 shows the semiconductor device A2 according to the second embodiment.
- FIG. 15 is a plan view showing the semiconductor device A2, and the sealing member 8 is shown by an imaginary line (dashed-dotted line).
- the number of insulating substrates 42 was the same as the number of first semiconductor elements 1. On the other hand, in the semiconductor device A2, the number of insulating substrates 42 is smaller than the number of first semiconductor elements 1. In the example shown in FIG. 15, two insulating substrates 42 are provided for four first semiconductor elements 1, and two wiring portions 531 and two wiring portions 533 are formed on one insulating substrate 42. There is. Similarly, in the semiconductor device A1, the number of insulating substrates 43 was the same as the number of second semiconductor elements 2. On the other hand, in the semiconductor device A2, the number of insulating substrates 43 is smaller than the number of second semiconductor elements 2. In the example shown in FIG. 15, two insulating substrates 43 are provided for four second semiconductor elements 2, and two wiring portions 532 and two wiring portions 534 are formed on one insulating substrate 43. There is.
- the semiconductor device A2 also includes a wiring unit 531 like the semiconductor device A1. Therefore, the third electrode 13 of the first semiconductor element 1 conducts to the wiring portion 521 via the wiring portion 531. As a result, the semiconductor device A2 can suppress the oscillation of the first drive signal in the same manner as the semiconductor device A1. In addition, the semiconductor device A2 has the same effect as the semiconductor device A1 due to the configuration common to the semiconductor device A1.
- FIG. 16 shows the semiconductor device A3 according to the third embodiment.
- FIG. 16 is a plan view showing the semiconductor device A3, and the plurality of side terminals 66 and the sealing member 8 are omitted.
- each third electrode 13 of two first semiconductor elements 1 out of four first semiconductor elements 1 conducts to the wiring portion 521 via each wiring portion 531 and the other 2
- Each third electrode 13 of the first semiconductor element 1 is conducting to the wiring portion 521 without passing through each wiring portion 531.
- the distance of the conduction path to the control terminal 61 is relatively short.
- the distance of the conduction path to the control terminal 61 is relatively long.
- the number of the plurality of first semiconductor elements 1 and the number of the wiring portions 531 are not limited to the example shown in FIG. 16, and may be changed as appropriate.
- each sixth electrode 23 of the two second semiconductor elements 2 of the four second semiconductor elements 2 conducts to the wiring portion 522 via each wiring portion 532, and the other 2
- Each sixth electrode 23 of the second semiconductor element 2 conducts to the wiring portion 522 without passing through each wiring portion 532.
- the distance of the conduction path at the control terminal 62 is relatively short.
- the distance of the conduction path to the control terminal 62 is relatively long.
- the number of the plurality of second semiconductor elements 2 and the number of the wiring portions 532 are not limited to the example shown in FIG. 16, and may be changed as appropriate.
- the semiconductor device A3 also includes a wiring unit 531 like the semiconductor device A1. Therefore, the third electrode 13 of the first semiconductor element 1 conducts to the wiring portion 521 via the wiring portion 531. As a result, the semiconductor device A3 can suppress the oscillation of the first drive signal in the same manner as the semiconductor device A1. In addition, the semiconductor device A3 has the same effect as the semiconductor devices A1 and A2 due to the configuration common to the semiconductor devices A1 and A2.
- the wiring portion 521 is made conductive via each wiring portion 531.
- the wiring unit 521 is made conductive via each wiring unit 531. According to this configuration, it is possible to reduce the distance difference from the control terminal 61 to the third electrode 13 of each first semiconductor element 1. This also applies to the plurality of second semiconductor elements 2, and it is possible to reduce the distance difference from the control terminal 62 to the sixth electrode 23 of each second semiconductor element 2.
- FIG. 17 to 19 show the semiconductor device A4 according to the fourth embodiment.
- FIG. 17 is a perspective view showing the semiconductor device A4.
- FIG. 18 is a plan view showing the semiconductor device A4, and a part (top plate 92) of the case 9 described later is omitted.
- FIG. 19 is a cross-sectional view taken along the XIX-XIX line of FIG. 18, and the top plate 92 of the case 9 is shown by an imaginary line (dashed-dotted line).
- the plurality of first semiconductor elements 1 are mounted on the conductive plate 31, and the plurality of second semiconductor elements 2 are mounted on the conductive plate 32, but in the semiconductor device A4, the plurality of first semiconductor elements 1 are mounted.
- the semiconductor element 1 is joined to the wiring portion 511, and a plurality of second semiconductor elements 2 are joined to the wiring portion 513.
- the first power terminal portion 501 and the second power terminal portion 502 overlap in a plan view
- the third power terminal section 503 and the fourth power terminal section 504 overlap in a plan view.
- the first power terminal portion 501 and the second power terminal portion 502 are adjacent to each other in a plan view, and the third power terminal section 503 and the fourth power terminal section 504 are in a plan view. They are next to each other.
- the semiconductor device A4 includes a case 9 instead of the sealing member 8.
- the case 9 is formed in a substantially rectangular parallelepiped shape, and has a plurality of first semiconductor elements 1, a plurality of second semiconductor elements 2, a plurality of insulating substrates 41 to 43, and a plurality of wiring portions 511 to 513, 521 to 542, 531 to 534. Etc. are housed.
- Case 9 is made of a synthetic resin having electrical insulation and excellent heat resistance, such as PPS (polyphenylene sulfide).
- the case 9 includes a heat sink 91 as a bottom plate, a frame portion 93 fixed to the surface of the heat sink 91 on the z2 direction side, and a top plate 92 fixed to the frame portion 93.
- the top plate 92 faces the heat radiating plate 91 that closes the z2 direction side of the frame portion 93 and closes the z1 direction side of the frame portion 93.
- the accommodation space for the above components is partitioned inside the case 9 by the top plate 92, the heat sink 91, and the frame portion 93.
- the case 9 includes terminal blocks 941 to 944.
- These terminal blocks 941 to 944 are integrally formed with the frame portion 93.
- the terminal block 941 and the terminal block 942 are connected to the side wall 931 (see FIG. 18) on the x2 direction side of the frame portion 93.
- the terminal block 941 and the terminal block 942 are arranged along the y direction.
- the terminal block 941 is located in the y2 direction with respect to the terminal block 942.
- the terminal block 943 and the terminal block 944 are connected to the side wall 932 (see FIG. 18) on the x1 direction side of the frame portion 93.
- the terminal block 943 and the terminal block 944 are arranged along the y direction.
- the terminal block 943 is located in the y2 direction with respect to the terminal block 944.
- the semiconductor device A4 includes a plurality of wiring portions 511 to 513, 521 to 524, 531 to 534, 541.
- the plurality of wiring portions 511 to 513, 521 to 542, 531 to 534, 541, two wiring units 511, two wiring units 512, and two wiring units 513 The plurality of wiring portions 521 to 524 are formed on the main surface 411 of the insulating substrate 41. Further, as shown in FIG. 19, the wiring portion 541 is formed on the back surface 412 of the insulating substrate 41.
- the two wiring portions 511 are arranged along the x direction and are separated from each other.
- the two wiring portions 511 are electrically connected to each other by the connecting member 519a.
- the connecting member 519a is a conductive plate material, and is made of, for example, copper or a copper alloy.
- the constituent material of the connecting member 519a is not limited to copper or a copper alloy.
- a plurality of first semiconductor elements 1 are joined to the two wiring portions 511, and the two wiring portions 511 are electrically connected to the first electrode 11 (drain electrode) of each first semiconductor element 1.
- the two wiring portions 512 are arranged along the x direction and are separated from each other.
- the two wiring portions 512 are electrically connected to each other by the conductive connecting member 519b.
- the connecting member 519b is a conductive plate material, and is made of, for example, copper or a copper alloy.
- the constituent material of the connecting member 519b is not limited to copper or a copper alloy.
- the two wiring portions 512 are conductive to the fifth electrode 22 (source electrode) of each second semiconductor element 2 via the plurality of connecting members 712.
- the two wiring portions 513 are arranged along the x direction and are separated from each other.
- the two wiring portions 513 are electrically connected to each other by the conductive connecting member 519c.
- the connecting member 519c is a conductive plate material, and is made of, for example, copper or a copper alloy.
- the constituent material of the connecting member 519c is not limited to copper or a copper alloy.
- the two wiring portions 513 conduct with the second electrode 12 (source electrode) of each first semiconductor element 1 via the plurality of connecting members 711. Further, in the two wiring portions 513, a plurality of second semiconductor elements 2 are bonded to each other and conduct to the fourth electrode 21 (drain electrode) of each second semiconductor element 2.
- the wiring portion 521 includes two strip-shaped portions 521b that are separated from each other.
- the two strips 521b are arranged along the x direction and are separated from each other.
- the two strips 521b are conductive by the connecting member 751.
- the wiring portion 522 includes two strip-shaped portions 522b that are separated from each other.
- the two strips 522b are arranged along the x direction and are separated from each other.
- the two strips 522b are conductive by the connecting member 752.
- the wiring portion 523 includes two strips 523b that are separated from each other.
- the two strips 523b are arranged along the x direction and are separated from each other.
- the two strips 523b are conductive by the connecting member 753.
- the wiring portion 524 includes two strips 524b that are separated from each other.
- the two strips 524b are arranged along the x direction and are separated from each other.
- the two strips 524b are conducted by the connecting member 754.
- Each connecting member 751 to 754 is, for example, a bonding wire.
- the constituent materials of the connecting members 751 to 754 are gold, copper, aluminum, or an alloy containing any of these.
- the wiring portion 541 is formed on substantially the entire surface of the back surface 412 of the insulating substrate 41, for example.
- the range of formation of the wiring portion 541 is not particularly limited.
- the wiring portion 541 is made of copper or a copper alloy.
- the wiring portion 541 is joined to the heat sink 91.
- the semiconductor device A4 includes a first power terminal 601, a second power terminal 602, a third power terminal 603, and a fourth power terminal 604.
- the first power terminal 601 is joined to the wiring portion 511 inside the case 9. As a result, the first power terminal 601 conducts to each of the first electrodes 11 (drain electrodes) of the plurality of first semiconductor elements 1.
- the first power terminal 601 includes a first power terminal portion 501. As shown in FIGS. 17 and 18, the first power terminal section 501 is located on the upper surface (the surface on the z2 direction side) of the terminal block 941.
- the second power terminal 602 is joined to the wiring portion 512 inside the case 9. As a result, the second power terminal 602 conducts to each fifth electrode 22 (source electrode) of the plurality of second semiconductor elements 2.
- the second power terminal 602 includes a second power terminal portion 502. As shown in FIGS. 17 and 18, the second power terminal portion 502 is located on the upper surface (the surface on the z2 direction side) of the terminal block 942.
- the third power terminal 603 and the fourth power terminal 604 are each joined to the wiring portion 513 inside the case 9.
- the third power terminal 603 and the fourth power terminal 604 each have a second electrode 12 (source electrode) of the plurality of first semiconductor elements 1 and a fourth electrode 21 (drain) of each of the plurality of second semiconductor elements 2. Conducts with the electrode).
- the third power terminal 603 includes the third power terminal portion 503.
- the third power terminal portion 503 is located on the upper surface (the surface on the z2 direction side) of the terminal block 943.
- the fourth power terminal 604 includes a fourth power terminal portion 504.
- the fourth power terminal portion 504 is located on the upper surface (the surface on the z2 direction side) of the terminal block 944.
- the control terminal 61 is not joined to the wiring portion 521, but is electrically connected to the wiring portion 521 via the connecting member 741 inside the case 9.
- the control terminal 62 is not joined to the wiring portion 522, but conducts to the wiring portion 522 via the connecting member 742 inside the case 9.
- the detection terminal 63 is not joined to the wiring portion 523, but conducts to the wiring portion 523 via the connecting member 743 inside the case 9.
- the detection terminal 64 is not joined to the wiring portion 524, but conducts to the wiring portion 524 via the connecting member 744 inside the case 9.
- Each connecting member 741 to 744 is, for example, a bonding wire.
- the constituent material of each connecting member 741 to 744 is gold, copper, aluminum, or an alloy containing any of these.
- the semiconductor device A4 also includes a wiring unit 531 like the semiconductor device A1. Therefore, the third electrode 13 of the first semiconductor element 1 conducts to the wiring portion 521 via the wiring portion 531. As a result, the semiconductor device A4 can suppress the oscillation of the first drive signal in the same manner as the semiconductor device A1. In addition, the semiconductor device A4 has the same effect as the semiconductor devices A1 to A3 due to the configuration common to the semiconductor devices A1 to A3.
- FIG. 20 shows the semiconductor device A5 according to the fifth embodiment.
- FIG. 20 is a plan view showing the semiconductor device A5, and the sealing member 8 is shown by an imaginary line (dashed-dotted line).
- the semiconductor devices A1 to A4 include a plurality of first semiconductor elements 1 and a plurality of second semiconductor elements 2.
- the semiconductor device A5 includes a plurality of first semiconductor elements 1, but does not include any second semiconductor element 2.
- each first semiconductor element 1 is joined to the wiring portion 511. Since the semiconductor device A5 does not include the plurality of second semiconductor elements 2, the number of wiring portions is smaller than that of the semiconductor devices A1 to A4. In the semiconductor device A5, the wiring portion 525 conducts to the first electrode 11 (drain electrode) of each first semiconductor element 1 by conducting to the wiring portion 511 via the connecting member 725.
- the semiconductor device A5 also includes a wiring unit 531 like the semiconductor device A1. Therefore, the third electrode 13 of the first semiconductor element 1 conducts to the wiring portion 521 via the wiring portion 531. As a result, the semiconductor device A5 can suppress the oscillation of the first drive signal in the same manner as the semiconductor device A1. In addition, the semiconductor device A5 has the same effect as the semiconductor devices A1 to A4 due to the configuration common to the semiconductor devices A1 to A4.
- the configuration that does not include any of the plurality of second semiconductor elements 2 described with reference to FIG. 20 is not limited to the configuration shown by the semiconductor device A5, and may be appropriately applied to the respective semiconductor devices A1 to A4.
- FIG. 21 to 23 show the semiconductor device A6 according to the sixth embodiment.
- FIG. 21 is a perspective view showing the semiconductor device A6.
- FIG. 22 is a plan view showing the semiconductor device A6, and the sealing member 8 is shown by an imaginary line (dashed-dotted line).
- FIG. 23 is a cross-sectional view taken along the line XXIII-XXIII of FIG.
- the semiconductor device A6 includes a plurality of first semiconductor elements 1, a plurality of second semiconductor elements 2, a support member 3, a plurality of insulating substrates 41 to 43, and a plurality of wiring portions 511 to 514. , 521 to 528, 531 to 534, a plurality of metal members 58, 59, a plurality of control terminals 61, a plurality of control terminals 62, a plurality of detection terminals 63, a plurality of detection terminals 64, a detection terminal 63, a plurality of side terminals. 66, a plurality of connecting members 7, and a sealing member 8 are provided. As shown in FIG.
- the plurality of connecting members 7 include a plurality of connecting members 711, 712, 721 to 724.
- each first semiconductor element 1 is an example of a "semiconductor element”.
- each control terminal 61 (62) is an example of a "control terminal”
- each wiring unit 521 (522) is an example of a "wiring unit”.
- each connecting member 721 (722) is an example of an "connecting member”
- the insulating substrate 42 (43) is an example of an "insulating substrate”.
- the first drive signal was input to each first semiconductor element 1 from the common control terminal 61.
- the semiconductor device A6 is provided with one control terminal 61 for each of the plurality of first semiconductor elements 1.
- the second drive signal is input to each second semiconductor element 2 from the common control terminal 62.
- the semiconductor device A6 is provided with one control terminal 62 for each of the plurality of second semiconductor elements 2.
- the semiconductor device A6 is provided with one detection terminal 63 for each of the plurality of first semiconductor elements 1.
- the semiconductor device A6 is provided with one detection terminal 64 for each of the plurality of second semiconductor elements 2.
- each of the plurality of control terminals 61 includes a holder 611 and a metal pin 612.
- the holder 611 is made of a conductive material.
- the holder 611 has a cylindrical shape.
- the holder 611 is joined to the wiring portion 531.
- the metal pin 612 is press-fitted into the holder 611 and extends in the z direction.
- the metal pin 612 protrudes upward in the z direction from the resin main surface 81 of the sealing member 8, and a part of the metal pin 612 is exposed from the sealing member 8.
- the plurality of control terminals 62 include a holder 621 and a metal pin 622, respectively.
- Each of the plurality of detection terminals 63 includes a holder 631 and a metal pin 632.
- Each of the plurality of detection terminals 64 includes a holder 641 and a metal pin 642.
- the detection terminal 65 includes a holder 651 and a metal pin 652.
- Each holder 621, 631, 641, 651 is configured in the same manner as the holder 611.
- Each holder 621 is joined to each wiring portion 532
- each holder 631 is joined to each wiring portion 533
- each holder 641 is joined to each wiring portion 534
- each holder 651 is joined to each wiring portion 525. Be joined.
- Each metal pin 622,632,642,652 is configured in the same manner as each metal pin 612.
- each insulating substrate 42 may be arranged on the main surface 411 of the insulating substrate 41, or each insulating substrate 42 is not provided, and each wiring portion 531 and each wiring portion 533 are the main of the insulating substrate 41. It may be formed directly on the surface 411.
- each insulating substrate 43 may be arranged on the main surface 411 of the insulating substrate 41, or each insulating substrate 43 is not provided, and each wiring portion 532 and each wiring portion 533 are the main of the insulating substrate 41. It may be formed directly on the surface 411.
- the semiconductor device A6 is provided with a plurality of control terminals 61.
- a plurality of control terminals 61 are provided for each of the third electrodes 13 of the plurality of first semiconductor elements 1. According to this configuration, when the control device is connected to the semiconductor device A6, it is possible to individually input the first drive signal from the control device to each of the plurality of first semiconductor elements 1. As a result, the semiconductor device A6 can suppress the oscillation of the first drive signal by lengthening the transmission path of the first drive signal on the control device side.
- the semiconductor device A6 includes a plurality of control terminals 62. A plurality of control terminals 62 are provided for each of the sixth electrodes 23 of the plurality of second semiconductor elements 2.
- the semiconductor device A6 when the control device is connected to the semiconductor device A6, it is possible to individually input the second drive signal from the control device to each of the plurality of second semiconductor elements 2. As a result, the semiconductor device A6 can suppress the oscillation of the second drive signal by lengthening the transmission path of the second drive signal on the control device side.
- the semiconductor device A6 is provided with a plurality of detection terminals 63.
- a plurality of detection terminals 63 are provided for each of the second electrodes 12 of the plurality of first semiconductor elements 1. According to this configuration, when the control device is connected to the semiconductor device A6, it is possible to individually output the first detection signal to the control device for each of the plurality of first semiconductor elements 1. As a result, the semiconductor device A6 allows the control device to individually confirm the conduction state of each first semiconductor element 1.
- the semiconductor device A6 includes a plurality of detection terminals 64. A plurality of detection terminals 64 are provided for each of the fifth electrodes 22 of the plurality of second semiconductor elements 2.
- the semiconductor device A6 when the control device is connected to the semiconductor device A6, it is possible to individually output the second detection signal to the control device for each of the plurality of second semiconductor elements 2. As a result, the semiconductor device A6 allows the control device to individually confirm the conduction state of each second semiconductor element 2.
- the semiconductor device according to the present disclosure is not limited to the above-described embodiment.
- the specific configuration of each part of the semiconductor device of the present disclosure can be freely redesigned.
- the present disclosure includes embodiments described in the appendix below. Appendix 1.
- Each has a first electrode, a second electrode, and a third electrode, and a plurality of electrodes are controlled on and off between the first electrode and the second electrode according to a first drive signal input to the third electrode.
- the first control terminal to which the first drive signal is input and The first wiring unit to which the first control terminal is connected and At least one second wiring portion separated from the first wiring portion, At least one first connecting member for conducting the first wiring portion and the second wiring portion, and At least one second connecting member for conducting the second wiring portion and the third electrode of any one of the plurality of first semiconductor elements, and Equipped with A semiconductor device in which the first electrodes of each of the plurality of first semiconductor elements are electrically connected to each other, and the second electrodes of each of the plurality of first semiconductor elements are electrically connected to each other.
- the at least one second wiring unit includes a plurality of second wiring units.
- the at least one first connecting member includes a plurality of first connecting members.
- the at least one second connecting member includes a plurality of second connecting members.
- the plurality of second wiring portions are separated from each other and are separated from each other.
- the plurality of first connecting members are connected to the first wiring portion and are connected to the plurality of second wiring portions, respectively.
- the semiconductor device according to Appendix 1 wherein the plurality of second connecting members are connected to the plurality of second wiring portions, respectively, and are connected to the third electrode of each of the plurality of first semiconductor elements. .. Appendix 3. Further comprising a first insulating substrate having a first main surface and a first back surface separated from each other in the thickness direction.
- the semiconductor device according to Appendix 2 wherein the first wiring portion is formed on the first main surface. Appendix 4.
- the second back surface faces the first main surface
- the semiconductor device according to Appendix 3 wherein at least one of the plurality of second wiring portions is formed on the second main surface.
- Appendix 5 The at least one second insulating substrate includes a plurality of second insulating substrates.
- the semiconductor device according to Appendix 4 wherein the plurality of second wiring portions are each formed on the second main surface of each of the plurality of second insulating substrates.
- the plurality of first semiconductor elements are arranged along the first direction orthogonal to the thickness direction.
- the first wiring portion includes a first band-shaped portion extending along the first direction.
- the semiconductor device according to Supplementary Note 5, wherein the first band-shaped portion is located on one side of a second direction orthogonal to both the thickness direction and the first direction with respect to the plurality of first semiconductor elements.
- Appendix 7 A first detection terminal for detecting the conduction state of the second electrode of each of the plurality of first semiconductor elements, and The third wiring unit to which the first detection terminal is connected and A plurality of fourth wiring portions that are separated from each other and each of which is separated from the third wiring portion.
- a plurality of third connecting members for conducting the plurality of fourth wiring portions to the third wiring portion, respectively.
- a plurality of fourth connecting members for conducting the plurality of fourth wiring portions to the second electrodes of the plurality of first semiconductor elements, respectively.
- the semiconductor device according to Appendix 6, further comprising. Appendix 8.
- the third wiring portion includes a second band-shaped portion extending along the first direction.
- the first strip-shaped portion and the second strip-shaped portion are parallel to each other in the longitudinal direction thereof.
- Appendix 9. Each has a fourth electrode, a fifth electrode, and a sixth electrode, and a plurality of second electrodes are controlled on and off between the fourth electrode and the fifth electrode by a second drive signal input to the sixth electrode.
- the at least one sixth wiring portion includes a plurality of sixth wiring portions.
- the at least one fifth connecting member includes a plurality of fifth connecting members.
- the at least one sixth connecting member includes a plurality of sixth connecting members.
- the plurality of sixth wiring portions are separated from each other and are separated from each other.
- the plurality of fifth connecting members are connected to the fifth wiring portion and are connected to the plurality of sixth wiring portions, respectively.
- the semiconductor device according to Appendix 9 wherein the plurality of sixth connecting members are connected to the plurality of sixth wiring portions, respectively, and are connected to the sixth electrode of each of the plurality of second semiconductor elements. .. Appendix 11.
- the third back surface faces the first main surface
- the semiconductor device according to Appendix 10 wherein at least one of the plurality of sixth wiring portions is formed on the third main surface.
- the at least one third insulating substrate includes a plurality of third insulating substrates.
- the semiconductor device according to Appendix 11, wherein the plurality of sixth wiring portions are each formed on the third main surface of each of the plurality of third insulating substrates. Appendix 13.
- the plurality of second semiconductor elements are arranged along the first direction, and are located on the side opposite to the side where the first band-shaped portion is arranged with respect to the plurality of first semiconductor elements in the second direction. death,
- the fifth wiring portion includes a third strip-shaped portion extending along the first direction.
- Appendix 14 A second detection terminal for detecting the conduction state of the fifth electrode of each of the plurality of second semiconductor elements, and The 7th wiring part to which the 2nd detection terminal is connected and A plurality of eighth wiring portions that are separated from each other and each of which is separated from the seventh wiring portion.
- the seventh wiring portion includes a fourth strip-shaped portion extending along the first direction.
- the third strip and the fourth strip are parallel to each other in the longitudinal direction.
- the semiconductor device according to Appendix 14 wherein each of the plurality of third insulating substrates straddles the third band-shaped portion and the fourth band-shaped portion. Appendix 16.
- Each of the plurality of first semiconductor elements has a first element main surface and a first element back surface, and in each first semiconductor element, the first electrode is formed on the first element back surface, and the second electrode is formed. And the third electrode is formed on the main surface of the first element.
- Each of the plurality of second semiconductor elements has a second element main surface and a second element back surface, and in each second semiconductor element, the fourth electrode is formed on the second element back surface, and the fifth electrode is formed.
- the semiconductor device according to any one of Supplementary note 13 to Supplementary note 15, wherein the sixth electrode is formed on the main surface of the second element. Appendix 17.
- the first mounting portion and the second mounting portion are each made of a conductive material and are separated from each other.
- the first electrode of each of the plurality of first semiconductor elements conducts with each other via the first mounting portion.
- the semiconductor device according to Appendix 16 wherein the fourth electrode of each of the plurality of second semiconductor elements conducts with each other via the second mounting portion.
- Appendix 18 face the first back surface and face each other.
- the first insulating substrate includes a plurality of first openings and a plurality of second openings, each of which penetrates from the first main surface to the first back surface in the thickness direction.
- the plurality of first openings surround the plurality of first semiconductor devices when viewed in the thickness direction.
- Appendix 19 A first power terminal portion conductive to the first electrode of each of the plurality of first semiconductor elements, A second power terminal portion conductive to the fifth electrode of each of the plurality of second semiconductor elements, A third power terminal portion conductive to the second electrode of each of the plurality of first semiconductor elements and the fourth electrode of each of the plurality of second semiconductor elements. Further prepare A DC voltage is applied between the first power terminal portion and the second power terminal portion, and the DC voltage is applied.
- the DC voltage is converted into an AC voltage by on / off control of the plurality of first semiconductor elements and the plurality of second semiconductor elements.
- the semiconductor device according to any one of Supplementary note 9 to Supplementary note 18, wherein the AC voltage is output from the third power terminal portion.
- Appendix 20 A plurality of semiconductors each having a first electrode, a second electrode, and a third electrode, and the first electrode and the second electrode are controlled on and off according to a drive signal input to the third electrode.
- a plurality of control terminals, each of which is input with the drive signal A plurality of wiring portions that conduct to the plurality of control terminals and are joined to the plurality of control terminals.
- a plurality of connecting members for connecting the third electrode of each of the plurality of semiconductor elements and the plurality of wiring portions, respectively.
- An insulating substrate having a main surface and a back surface separated in the thickness direction and having a plurality of wiring portions formed on the main surface. Equipped with A semiconductor device in which each of the plurality of control terminals extends in a direction in which the main surface faces in the thickness direction.
- A1 to A6 Semiconductor device 1: 1st semiconductor element 1a: Element main surface 1b: Element back surface 11: 1st electrode 12: 2nd electrode 13: 3rd electrode 19: Conductive bonding material 2: 2nd semiconductor element 2a: Element main surface 2b: Element back surface 21: 4th electrode 22: 5th electrode 23: 6th electrode 29: Conductive bonding material 3: Support members 31, 32: Conductive plates 31a, 32a: Mounting surface 319, 329: Bonding material 33, 34: Insulation plate 41: Insulation substrate 411: Main surface 412: Back surface 413: Through hole 414: Through hole 415: Opening 416: Opening 42, 43: Insulated substrate 421, 431: Main surface 422, 432: Back surface 501: 1st power terminal part 502: 2nd power terminal part 503: 3rd power terminal part 504: 4th power terminal part 511 to 514: wiring part 511a, 514a: opening 511b, 513a, 514b: through hole 519a
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Abstract
Description
付記1.
各々が、第1電極、第2電極および第3電極を有し、前記第3電極に入力される第1駆動信号に応じて、前記第1電極および前記第2電極間がオンオフ制御される複数の第1半導体素子と、
前記第1駆動信号が入力される第1制御端子と、
前記第1制御端子が接続された第1配線部と、
前記第1配線部から離間する少なくとも1つの第2配線部と、
前記第1配線部と前記第2配線部とを導通させる少なくとも1つの第1接続部材と、
前記第2配線部と前記複数の第1半導体素子のいずれかの前記第3電極とを導通させる少なくとも1つの第2接続部材と、
を備えており、
前記複数の第1半導体素子それぞれの前記第1電極同士が電気的に接続され、かつ、前記複数の第1半導体素子それぞれの前記第2電極同士が電気的に接続されている、半導体装置。
付記2.
前記少なくとも1つの第2配線部は、複数の第2配線部を含み、
前記少なくとも1つの第1接続部材は、複数の第1接続部材を含み、
前記少なくとも1つの第2接続部材は、複数の第2接続部材を含み、
前記複数の第2配線部は、互いに離間しており、
前記複数の第1接続部材は、前記第1配線部に接続され、かつ、前記複数の第2配線部にそれぞれ接続されており、
前記複数の第2接続部材は、前記複数の第2配線部にそれぞれ接続され、かつ、前記複数の第1半導体素子それぞれの前記第3電極にそれぞれ接続されている、付記1に記載の半導体装置。
付記3.
厚さ方向に互いに離間する第1主面および第1裏面を有する第1絶縁基板をさらに備え、
前記第1配線部は、前記第1主面に形成されている、付記2に記載の半導体装置。
付記4.
各々が、前記厚さ方向に互いに離間する第2主面および第2裏面を有する少なくとも1つの第2絶縁基板をさらに備え、
前記第2裏面は、前記第1主面に対向し、
前記第2主面には、前記複数の第2配線部のうち少なくとも1つが形成されている、付記3に記載の半導体装置。
付記5.
前記少なくとも1つの第2絶縁基板は、複数の第2絶縁基板を含み、
前記複数の第2配線部は、前記複数の第2絶縁基板それぞれの前記第2主面にそれぞれ形成されている、付記4に記載の半導体装置。
付記6.
前記複数の第1半導体素子は、前記厚さ方向に直交する第1方向に沿って配列され、
前記第1配線部は、前記第1方向に沿って延びる第1帯状部を含み、
前記第1帯状部は、前記複数の第1半導体素子に対して、前記厚さ方向および前記第1方向の両方に直交する第2方向の一方側に位置する、付記5に記載の半導体装置。
付記7.
前記複数の第1半導体素子の各々の前記第2電極の導通状態を検出するための第1検出端子と、
前記第1検出端子が接続された第3配線部と、
互いに離間しており、各々が前記第3配線部から離間する複数の第4配線部と、
前記複数の第4配線部を前記第3配線部にそれぞれ導通させる複数の第3接続部材と、
前記複数の第4配線部を前記複数の第1半導体素子それぞれの前記第2電極にそれぞれ導通させる複数の第4接続部材と、
をさらに備えている、付記6に記載の半導体装置。
付記8.
前記第3配線部は、前記第1方向に沿って延びる第2帯状部を含み、
前記第1帯状部と前記第2帯状部とは、それぞれの長手方向が互いに平行であり、
前記複数の第2絶縁基板の各々は、前記第1帯状部および前記第2帯状部に跨っている、付記7に記載の半導体装置。
付記9.
各々が、第4電極、第5電極および第6電極を有し、前記第6電極に入力される第2駆動信号によって、前記第4電極および前記第5電極間がオンオフ制御される複数の第2半導体素子と、
前記第2駆動信号が入力される第2制御端子と、
前記第2制御端子が接続された第5配線部と、
前記第5配線部から離間する少なくとも1つの第6配線部と、
前記第5配線部と前記第6配線部とを導通させる少なくとも1つの第5接続部材と、
前記第6配線部と前記複数の第2半導体素子のいずれかの前記第6電極とを導通させる少なくとも1つの第6接続部材と、をさらに備えており、
前記複数の第2半導体素子それぞれの前記第4電極同士が電気的に接続され、かつ、前記複数の第2半導体素子それぞれの前記第5電極同士が電気的に接続されており、
前記複数の第1半導体素子それぞれの前記第2電極が、前記複数の第2半導体素子それぞれの前記第4電極に電気的に接続されている、付記6ないし付記8のいずれかに記載の半導体装置。
付記10.
前記少なくとも1つの第6配線部は、複数の第6配線部を含み、
前記少なくとも1つの第5接続部材は、複数の第5接続部材を含み、
前記少なくとも1つの第6接続部材は、複数の第6接続部材を含み、
前記複数の第6配線部は、互いに離間しており、
前記複数の第5接続部材は、前記第5配線部に接続され、かつ、前記複数の第6配線部にそれぞれ接続されており、
前記複数の第6接続部材は、前記複数の第6配線部にそれぞれ接続され、かつ、前記複数の第2半導体素子それぞれの前記第6電極にそれぞれ接続されている、付記9に記載の半導体装置。
付記11.
各々が、前記厚さ方向に互いに離間する第3主面および第3裏面を有する少なくとも1つの第3絶縁基板をさらに備え、
前記第3裏面は、前記第1主面に対向し、
前記第3主面には、前記複数の第6配線部のうち少なくとも1つが形成されている、付記10に記載の半導体装置。
付記12.
前記少なくとも1つの第3絶縁基板は、複数の第3絶縁基板を含み、
前記複数の第6配線部は、前記複数の第3絶縁基板それぞれの前記第3主面にそれぞれ形成されている、付記11に記載の半導体装置。
付記13.
前記複数の第2半導体素子は、前記第1方向に沿って配列され、かつ、前記第2方向において前記複数の第1半導体素子に対し前記第1帯状部が配置された側と反対側に位置し、
前記第5配線部は、前記第1方向に沿って延びる第3帯状部を含み、
前記第3帯状部は、前記複数の第2半導体素子に対して、前記第2方向の一方側に位置する、付記12に記載の半導体装置。
付記14.
前記複数の第2半導体素子の各々の前記第5電極の導通状態を検出するための第2検出端子と、
前記第2検出端子が接続された第7配線部と、
互いに離間しており、各々が前記第7配線部から離間する複数の第8配線部と、
前記複数の第8配線部を前記第7配線部にそれぞれ導通させる複数の第7接続部材と、
前記複数の第8配線部を前記複数の第2半導体素子それぞれの前記第5電極にそれぞれ導通させる複数の第8接続部材と、
をさらに備えている、付記13に記載の半導体装置。
付記15.
前記第7配線部は、前記第1方向に沿って延びる第4帯状部を含み、
前記第3帯状部と前記第4帯状部とは、それぞれの長手方向が互いに平行であり、
前記複数の第3絶縁基板の各々は、前記第3帯状部および前記第4帯状部に跨っている、付記14に記載の半導体装置。
付記16.
前記複数の第1半導体素子の各々は、第1素子主面および第1素子裏面を有し、各第1半導体素子において、前記第1電極は前記第1素子裏面に形成され、前記第2電極および前記第3電極は前記第1素子主面に形成されており、
前記複数の第2半導体素子の各々は、第2素子主面および第2素子裏面を有し、各第2半導体素子において、前記第4電極は前記第2素子裏面に形成され、前記第5電極および前記第6電極は前記第2素子主面に形成されている、付記13ないし付記15のいずれかに記載の半導体装置。
付記17.
前記複数の第1半導体素子を搭載する第1搭載部と、
前記複数の第2半導体素子を搭載する第2搭載部と、
をさらに備え、
前記第1搭載部および前記第2搭載部は、各々が導電性材料からなり、且つ、互いに離間し、
前記複数の第1半導体素子それぞれの前記第1電極は、前記第1搭載部を介して互いに導通し、
前記複数の第2半導体素子それぞれの前記第4電極は、前記第2搭載部を介して互いに導通する、付記16に記載の半導体装置。
付記18.
前記第1搭載部および前記第2搭載部は、前記第1裏面に対向し、
前記第1絶縁基板は、各々が前記厚さ方向に前記第1主面から前記第1裏面まで貫通する複数の第1開口部および複数の第2開口部を含み、
前記複数の第1開口部は、前記厚さ方向に見て前記複数の第1半導体素子をそれぞれ囲み、
前記複数の第2開口部は、前記厚さ方向に見て前記複数の第2半導体素子をそれぞれ囲む、付記17に記載の半導体装置。
付記19.
前記複数の第1半導体素子の各々の前記第1電極に導通する第1電力端子部と、
前記複数の第2半導体素子の各々の前記第5電極に導通する第2電力端子部と、
前記複数の第1半導体素子の各々の前記第2電極、および、前記複数の第2半導体素子の各々の前記第4電極に導通する第3電力端子部と、
をさらに備え、
前記第1電力端子部および前記第2電力端子部の間には直流電圧が印加され、
前記直流電圧は、前記複数の第1半導体素子および前記複数の第2半導体素子のオンオフ制御によって交流電圧に変換され、
前記交流電圧は、前記第3電力端子部から出力される、付記9ないし付記18のいずれかに記載の半導体装置。
付記20.
各々が、第1電極、第2電極および第3電極を有し、前記第3電極に入力される駆動信号に応じて、前記第1電極および前記第2電極間がオンオフ制御される複数の半導体素子と、
各々が前記駆動信号を入力される複数の制御端子と、
前記複数の制御端子に導通し、前記複数の制御端子が接合された複数の配線部と、
前記複数の半導体素子それぞれの前記第3電極と、前記複数の配線部とをそれぞれ接続する複数の接続部材と、
厚さ方向に離間する主面および裏面を有し、前記主面に複数の配線部が形成された絶縁基板と、
を備えており、
前記複数の制御端子の各々は、前記厚さ方向において前記主面が向く方向に延びている、半導体装置。
1a:素子主面 1b:素子裏面
11:第1電極 12:第2電極
13:第3電極 19:導電性接合材
2:第2半導体素子 2a:素子主面
2b:素子裏面 21:第4電極
22:第5電極 23:第6電極
29:導電性接合材 3:支持部材
31,32:導電板 31a,32a:搭載面
319,329:接合材 33,34:絶縁板
41:絶縁基板 411:主面
412:裏面 413:貫通孔
414:貫通孔 415:開口部
416:開口部 42,43:絶縁基板
421,431:主面 422,432:裏面
501:第1電力端子部 502:第2電力端子部
503:第3電力端子部 504:第4電力端子部
511~514:配線部 511a,514a:開口部
511b,513a,514b:貫通孔
519a,519b,519c:連結部材
521~528:配線部
521a,522a,523a,524a:パッド部
521b,522b,523b,524b:帯状部
521c,522c,523c,524c:連結部
525a:貫通孔 531~534:配線部
541:配線部 58,59:金属部材
61,62:制御端子 63~65:検出端子
66:側方端子611,621,631,641,651:ホルダ
612,622,632,642,652:金属ピン
601:第1電力端子 602:第2電力端子
603:第3電力端子 604:第4電力端子
7:接続部材 711,712:接続部材
721~725:接続部材 731~734:接続部材
741~744:接続部材 751~754:接続部材
8:封止部材 81:樹脂主面
82:樹脂裏面 831~834:樹脂側面
9:ケース 91:放熱板
92:天板 93:枠部
931,932:側壁 941~944:端子台
Claims (20)
- 各々が、第1電極、第2電極および第3電極を有し、前記第3電極に入力される第1駆動信号に応じて、前記第1電極および前記第2電極間がオンオフ制御される複数の第1半導体素子と、
前記第1駆動信号が入力される第1制御端子と、
前記第1制御端子が接続された第1配線部と、
前記第1配線部から離間する少なくとも1つの第2配線部と、
前記第1配線部と前記第2配線部とを導通させる少なくとも1つの第1接続部材と、
前記第2配線部と前記複数の第1半導体素子のいずれかの前記第3電極とを導通させる少なくとも1つの第2接続部材と、
を備えており、
前記複数の第1半導体素子それぞれの前記第1電極同士が電気的に接続され、かつ、前記複数の第1半導体素子それぞれの前記第2電極同士が電気的に接続されている、半導体装置。 - 前記少なくとも1つの第2配線部は、複数の第2配線部を含み、
前記少なくとも1つの第1接続部材は、複数の第1接続部材を含み、
前記少なくとも1つの第2接続部材は、複数の第2接続部材を含み、
前記複数の第2配線部は、互いに離間しており、
前記複数の第1接続部材は、前記第1配線部に接続され、かつ、前記複数の第2配線部にそれぞれ接続されており、
前記複数の第2接続部材は、前記複数の第2配線部にそれぞれ接続され、かつ、前記複数の第1半導体素子それぞれの前記第3電極にそれぞれ接続されている、請求項1に記載の半導体装置。 - 厚さ方向に互いに離間する第1主面および第1裏面を有する第1絶縁基板をさらに備え、
前記第1配線部は、前記第1主面に形成されている、請求項2に記載の半導体装置。 - 各々が、前記厚さ方向に互いに離間する第2主面および第2裏面を有する少なくとも1つの第2絶縁基板をさらに備え、
前記第2裏面は、前記第1主面に対向し、
前記第2主面には、前記複数の第2配線部のうち少なくとも1つが形成されている、請求項3に記載の半導体装置。 - 前記少なくとも1つの第2絶縁基板は、複数の第2絶縁基板を含み、
前記複数の第2配線部は、前記複数の第2絶縁基板それぞれの前記第2主面にそれぞれ形成されている、請求項4に記載の半導体装置。 - 前記複数の第1半導体素子は、前記厚さ方向に直交する第1方向に沿って配列され、
前記第1配線部は、前記第1方向に沿って延びる第1帯状部を含み、
前記第1帯状部は、前記複数の第1半導体素子に対して、前記厚さ方向および前記第1方向の両方に直交する第2方向の一方側に位置する、請求項5に記載の半導体装置。 - 前記複数の第1半導体素子の各々の前記第2電極の導通状態を検出するための第1検出端子と、
前記第1検出端子が接続された第3配線部と、
互いに離間しており、各々が前記第3配線部から離間する複数の第4配線部と、
前記複数の第4配線部を前記第3配線部にそれぞれ導通させる複数の第3接続部材と、
前記複数の第4配線部を前記複数の第1半導体素子それぞれの前記第2電極にそれぞれ導通させる複数の第4接続部材と、
をさらに備えている、請求項6に記載の半導体装置。 - 前記第3配線部は、前記第1方向に沿って延びる第2帯状部を含み、
前記第1帯状部と前記第2帯状部とは、それぞれの長手方向が互いに平行であり、
前記複数の第2絶縁基板の各々は、前記第1帯状部および前記第2帯状部に跨っている、請求項7に記載の半導体装置。 - 各々が、第4電極、第5電極および第6電極を有し、前記第6電極に入力される第2駆動信号によって、前記第4電極および前記第5電極間がオンオフ制御される複数の第2半導体素子と、
前記第2駆動信号が入力される第2制御端子と、
前記第2制御端子が接続された第5配線部と、
前記第5配線部から離間する少なくとも1つの第6配線部と、
前記第5配線部と前記第6配線部とを導通させる少なくとも1つの第5接続部材と、
前記第6配線部と前記複数の第2半導体素子のいずれかの前記第6電極とを導通させる少なくとも1つの第6接続部材と、をさらに備えており、
前記複数の第2半導体素子それぞれの前記第4電極同士が電気的に接続され、かつ、前記複数の第2半導体素子それぞれの前記第5電極同士が電気的に接続されており、
前記複数の第1半導体素子それぞれの前記第2電極が、前記複数の第2半導体素子それぞれの前記第4電極に電気的に接続されている、請求項6ないし請求項8のいずれかに記載の半導体装置。 - 前記少なくとも1つの第6配線部は、複数の第6配線部を含み、
前記少なくとも1つの第5接続部材は、複数の第5接続部材を含み、
前記少なくとも1つの第6接続部材は、複数の第6接続部材を含み、
前記複数の第6配線部は、互いに離間しており、
前記複数の第5接続部材は、前記第5配線部に接続され、かつ、前記複数の第6配線部にそれぞれ接続されており、
前記複数の第6接続部材は、前記複数の第6配線部にそれぞれ接続され、かつ、前記複数の第2半導体素子それぞれの前記第6電極にそれぞれ接続されている、請求項9に記載の半導体装置。 - 各々が、前記厚さ方向に互いに離間する第3主面および第3裏面を有する少なくとも1つの第3絶縁基板をさらに備え、
前記第3裏面は、前記第1主面に対向し、
前記第3主面には、前記複数の第6配線部のうち少なくとも1つが形成されている、請求項10に記載の半導体装置。 - 前記少なくとも1つの第3絶縁基板は、複数の第3絶縁基板を含み、
前記複数の第6配線部は、前記複数の第3絶縁基板それぞれの前記第3主面にそれぞれ形成されている、請求項11に記載の半導体装置。 - 前記複数の第2半導体素子は、前記第1方向に沿って配列され、かつ、前記第2方向において前記複数の第1半導体素子に対し前記第1帯状部が配置された側と反対側に位置し、
前記第5配線部は、前記第1方向に沿って延びる第3帯状部を含み、
前記第3帯状部は、前記複数の第2半導体素子に対して、前記第2方向の一方側に位置する、請求項12に記載の半導体装置。 - 前記複数の第2半導体素子の各々の前記第5電極の導通状態を検出するための第2検出端子と、
前記第2検出端子が接続された第7配線部と、
互いに離間しており、各々が前記第7配線部から離間する複数の第8配線部と、
前記複数の第8配線部を前記第7配線部にそれぞれ導通させる複数の第7接続部材と、
前記複数の第8配線部を前記複数の第2半導体素子それぞれの前記第5電極にそれぞれ導通させる複数の第8接続部材と、
をさらに備えている、請求項13に記載の半導体装置。 - 前記第7配線部は、前記第1方向に沿って延びる第4帯状部を含み、
前記第3帯状部と前記第4帯状部とは、それぞれの長手方向が互いに平行であり、
前記複数の第3絶縁基板の各々は、前記第3帯状部および前記第4帯状部に跨っている、請求項14に記載の半導体装置。 - 前記複数の第1半導体素子の各々は、第1素子主面および第1素子裏面を有し、各第1半導体素子において、前記第1電極は前記第1素子裏面に形成され、前記第2電極および前記第3電極は前記第1素子主面に形成されており、
前記複数の第2半導体素子の各々は、第2素子主面および第2素子裏面を有し、各第2半導体素子において、前記第4電極は前記第2素子裏面に形成され、前記第5電極および前記第6電極は前記第2素子主面に形成されている、請求項13ないし請求項15のいずれかに記載の半導体装置。 - 前記複数の第1半導体素子を搭載する第1搭載部と、
前記複数の第2半導体素子を搭載する第2搭載部と、
をさらに備え、
前記第1搭載部および前記第2搭載部は、各々が導電性材料からなり、且つ、互いに離間し、
前記複数の第1半導体素子それぞれの前記第1電極は、前記第1搭載部を介して互いに導通し、
前記複数の第2半導体素子それぞれの前記第4電極は、前記第2搭載部を介して互いに導通する、請求項16に記載の半導体装置。 - 前記第1搭載部および前記第2搭載部は、前記第1裏面に対向し、
前記第1絶縁基板は、各々が前記厚さ方向に前記第1主面から前記第1裏面まで貫通する複数の第1開口部および複数の第2開口部を含み、
前記複数の第1開口部は、前記厚さ方向に見て前記複数の第1半導体素子をそれぞれ囲み、
前記複数の第2開口部は、前記厚さ方向に見て前記複数の第2半導体素子をそれぞれ囲む、請求項17に記載の半導体装置。 - 前記複数の第1半導体素子の各々の前記第1電極に導通する第1電力端子部と、
前記複数の第2半導体素子の各々の前記第5電極に導通する第2電力端子部と、
前記複数の第1半導体素子の各々の前記第2電極、および、前記複数の第2半導体素子の各々の前記第4電極に導通する第3電力端子部と、
をさらに備え、
前記第1電力端子部および前記第2電力端子部の間には直流電圧が印加され、
前記直流電圧は、前記複数の第1半導体素子および前記複数の第2半導体素子のオンオフ制御によって交流電圧に変換され、
前記交流電圧は、前記第3電力端子部から出力される、請求項9ないし請求項18のいずれかに記載の半導体装置。 - 各々が、第1電極、第2電極および第3電極を有し、前記第3電極に入力される駆動信号に応じて、前記第1電極および前記第2電極間がオンオフ制御される複数の半導体素子と、
各々が前記駆動信号を入力される複数の制御端子と、
前記複数の制御端子に導通し、前記複数の制御端子が接合された複数の配線部と、
前記複数の半導体素子それぞれの前記第3電極と、前記複数の配線部とをそれぞれ接続する複数の接続部材と、
厚さ方向に離間する主面および裏面を有し、前記主面に複数の配線部が形成された絶縁基板と、
を備えており、
前記複数の制御端子の各々は、前記厚さ方向において前記主面が向く方向に延びている、半導体装置。
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