WO2016194925A1 - 部品実装基板 - Google Patents
部品実装基板 Download PDFInfo
- Publication number
- WO2016194925A1 WO2016194925A1 PCT/JP2016/066105 JP2016066105W WO2016194925A1 WO 2016194925 A1 WO2016194925 A1 WO 2016194925A1 JP 2016066105 W JP2016066105 W JP 2016066105W WO 2016194925 A1 WO2016194925 A1 WO 2016194925A1
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- WIPO (PCT)
- Prior art keywords
- connection conductor
- mounting board
- component
- electrode
- interlayer connection
- Prior art date
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0204—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0296—Conductive pattern lay-out details not covered by sub groups H05K1/02 - H05K1/0295
- H05K1/0298—Multilayer circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/111—Pads for surface mounting, e.g. lay-out
- H05K1/112—Pads for surface mounting, e.g. lay-out directly combined with via connections
- H05K1/113—Via provided in pad; Pad over filled via
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
- H05K3/3421—Leaded components
- H05K3/3426—Leaded components characterised by the leads
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/4007—Surface contacts, e.g. bumps
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/81—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a bump connector
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0204—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate
- H05K1/0206—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate by printed thermal vias
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0237—High frequency adaptations
- H05K1/0243—Printed circuits associated with mounted high frequency components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/115—Via connections; Lands around holes or via connections
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09372—Pads and lands
- H05K2201/094—Array of pads or lands differing from one another, e.g. in size, pitch, thickness; Using different connections on the pads
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09372—Pads and lands
- H05K2201/09427—Special relation between the location or dimension of a pad or land and the location or dimension of a terminal
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09372—Pads and lands
- H05K2201/09472—Recessed pad for surface mounting; Recessed electrode of component
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10621—Components characterised by their electrical contacts
- H05K2201/10674—Flip chip
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10742—Details of leads
- H05K2201/1075—Shape details
- H05K2201/1081—Special cross-section of a lead; Different cross-sections of different leads; Matching cross-section, e.g. matched to a land
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10954—Other details of electrical connections
- H05K2201/10984—Component carrying a connection agent, e.g. solder, adhesive
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a component mounting board comprising a component having a plurality of columnar electrodes and a mounting substrate on which the component is mounted on the main surface.
- each columnar electrode on the bottom surface is electrically and physically connected to each connection electrode on the main surface of the mounting substrate via a conductive joint.
- the flip chip component disclosed in Patent Document 1 has a plurality of columnar electrodes having different cross-sectional areas in a direction parallel to the bottom surface.
- an object of the present invention is to provide a component mounting board that can prevent electrical connection failure and decrease in bonding strength even when a component having a plurality of columnar electrodes having different cross-sectional areas is mounted on the main surface of the mounting board. It is to provide.
- the component mounting board of the present invention includes a component having a first columnar electrode and a second columnar electrode, and a mounting substrate having a multilayer structure on which the component is mounted on the main surface.
- the mounting board includes a first connection conductor and a second connection conductor.
- the component includes a first conductive joint disposed between the first columnar electrode and the first connection conductor, a second conductive joint disposed between the second columnar electrode and the second connection conductor, Is provided.
- the cross-sectional area of the first columnar electrode in the direction parallel to the main surface is smaller than the cross-sectional area of the second columnar electrode in the direction. Therefore, due to the difference in the growth rate of the plating film due to the difference in the cross-sectional areas of the columnar electrodes, the thickness of the second conductive joint (the length in the stacking direction) becomes thicker than the thickness of the first conductive joint.
- the position of the connection portion between the first connection conductor and the first conductive joint portion in the stacking direction of the mounting substrate is the second connection conductor and the second conductive joint portion. It is characterized by being farther from the position of the main surface than the position of the connecting portion.
- the difference in the thickness of the first and second conductive joints caused by the difference in the cross-sectional areas of the first and second columnar electrodes of the component is determined by the first connection conductor and the second connection of the mounting board. Since it cancels out by the difference of the position of each connection part of a conductor in the lamination direction, components are prevented from being inclined with respect to the main surface of the mounting board during mounting. As a result, the component mounting board of the present invention can prevent a poor electrical connection and a decrease in bonding strength due to the inclination of the component with respect to the mounting board during mounting.
- the mounting board is specifically configured as follows in order to cancel out the difference in thickness between the first and second conductive joints caused by the difference in cross-sectional area between the first and second columnar electrodes of the component.
- the first connection conductor is a first interlayer connection conductor extending along the stacking direction.
- the second connection conductor includes a connection electrode disposed on the main surface and at least one second interlayer connection conductor connected to the connection electrode and extending along the stacking direction.
- the first interlayer connection conductor protrudes from the main surface.
- first interlayer connection conductor and the first columnar electrode are electrically and physically connected via the first conductive junction.
- connection electrode of the second connection conductor and the second columnar electrode are electrically and physically connected via the second conductive junction.
- a stacked-layer mounting board is formed so that the volume of the first interlayer connection conductor is larger than the volume of the second interlayer connection conductor.
- the lengths of the first interlayer connection conductor and the second interlayer connection conductor in the stacking direction are made equal, and the first interlayer connection conductor is formed thicker than the second interlayer connection conductor. Then, when the mounting substrate is sintered, the first interlayer connection conductor having a large volume expands more than the second interlayer connection conductor and protrudes from the main surface.
- the first interlayer connection conductor protruding from the main surface may be formed by making the coefficient of thermal expansion of the first interlayer connection conductor larger than that of the second interlayer connection conductor.
- connection portion between the first connection conductor and the first conductive joint portion may be moved away from the main surface by configuring as follows.
- the mounting substrate has applied electrodes between layers.
- the number of the electrodes existing in the region of the first connection conductor is larger than the number of the electrodes existing in the region of the second connection conductor.
- connection portion between the first connection conductor and the first conductive joint portion is moved away from the main surface by the number of applied electrodes.
- the second connection conductor may include a plurality of the second interlayer connection conductors.
- the second columnar electrode of the component is efficiently cooled by the plurality of second interlayer connection conductors via the connection electrode.
- component mounting board of the present invention may be configured as follows instead of projecting the first connection conductor from the main surface.
- the component mounting board of the present invention is characterized in that the mounting board has a concave portion in the region of the second connection electrode on the main surface.
- the difference in the thickness of the first and second conductive joints due to the difference in the cross-sectional areas of the first and second columnar electrodes is offset by the step difference in the recesses on the main surface of the mounting substrate.
- the recess is formed when the number of layers in the first connection electrode region is larger than the number of layers in the second connection electrode region when viewed from the stacking direction of the mounting substrate.
- the component mounting substrate of the present invention even when a component having a plurality of columnar electrodes having different cross-sectional areas is mounted on the main surface of the mounting substrate, it is possible to prevent electrical connection failure and decrease in bonding strength. it can.
- FIG. 1 is a side sectional view of a component mounting board according to a first embodiment of the present invention.
- FIG. 2 is a side sectional view of the component mounting board according to the first embodiment of the present invention.
- FIG. 3 is a side sectional view of a component mounting board according to the second embodiment of the present invention.
- FIG. 4 is a side sectional view of a component mounting board according to the third embodiment of the present invention.
- FIG. 5 is a side sectional view of a component mounting board according to the fourth embodiment of the present invention.
- FIG. 6 is a side sectional view of a component mounting board according to the fifth embodiment of the present invention.
- FIG. 7 is a side sectional view of a component mounting board according to the sixth embodiment of the present invention.
- FIG. 1 and 2 are side cross-sectional views of the component mounting board 200, respectively.
- FIG. 1 shows a state before the high-frequency component 100 is mounted on the mounting substrate 90
- FIG. 2 shows a state after the high-frequency component 100 is mounted on the mounting substrate 90.
- the component mounting board 200 includes a mounting board 90 and a high-frequency component 100.
- the mounting substrate 90 includes the multilayer body 10, the interlayer connection conductor 20, the connection electrode 30, and the interlayer connection conductors 31, 32, and 33.
- the high-frequency component 100 is mounted on the upper surface 10 ⁇ / b> S of the multilayer body 10.
- the high-frequency component 100 is a so-called flip-chip component, and includes a substrate 101, a columnar electrode 111, and a columnar electrode 121.
- the columnar electrode 111 and the columnar electrode 121 are disposed on the lower surface 101 ⁇ / b> S of the substrate 101.
- the high-frequency component 100 includes a power amplifier, a duplexer, and a switching circuit (not shown) on the upper surface and inside of the substrate 101.
- the power amplifier and the like are connected to an antenna (not shown) that transmits and receives high-frequency signals.
- the laminated body 10 is formed by laminating a sixth layer 6, a fifth layer 5, a fourth layer 4, a third layer 3, a second layer 2, and a first layer 1 in this order along the laminating direction.
- Each of the first layer 1 to the sixth layer 6 is made of an insulating sheet (for example, a sheet containing a glass epoxy resin).
- the interlayer connection conductor 20 penetrates from the first layer 1 to the sixth layer 6 and protrudes from the upper surface 10S of the multilayer body 10.
- the interlayer connection conductor 20 may be formed using a conductive material having a higher thermal expansion coefficient than the conductive materials of the interlayer connection conductors 31 to 33. . Thereby, when the multilayer body 10 is sintered, the interlayer connection conductor 20 expands more than the interlayer connection conductors 31 to 33 and protrudes from the upper surface 10S of the multilayer body 10.
- the number of times of filling the hole formed in the insulator sheet with the conductive material is set in the hole of the insulator sheet for forming the interlayer connection conductors 31 to 33.
- the interlayer connection conductor 20 may be formed so as to protrude from the upper surface 10S of the multilayer body 10 by increasing the number of times of filling with the conductive material.
- the interlayer connection conductor 20 may be formed by combining the number of times the conductive material is filled and the selection of a material that easily expands.
- connection electrode 30 is disposed on the upper surface 10S of the laminate 10.
- the interlayer connection conductors 31 to 33 penetrate through the first layer 1 to the sixth layer 6.
- the upper ends of the interlayer connection conductors 31 to 33 are connected to the connection electrode 30.
- the interlayer connection conductor 20 overlaps the columnar electrode 111 of the high-frequency component 100 to be mounted when the multilayer body 10 is viewed along the stacking direction.
- the connection electrode 30 overlaps the columnar electrode 121 of the high-frequency component 100 to be mounted when the stacked body 10 is viewed along the stacking direction.
- a conductive bonding agent for example, solder
- a conductive joint 112 that can supply physical joining and electrical continuity is formed in advance on the end of the columnar electrode 111 of the high-frequency component 100 by metal including solder before mounting.
- a conductive joint 122 is formed in advance at the end of the columnar electrode 121 of the high-frequency component 100 before mounting.
- the growth rate of the plating film depends on the cross-sectional areas of the columnar electrode 111 and the columnar electrode 121.
- the columnar electrode 111 and the columnar electrode 121 are preferably columnar structures provided by pillar electrodes made of copper.
- the cross-sectional areas of the columnar electrode 111 and the columnar electrode 121 are areas when the columnar electrode 111 and the columnar electrode 121 are sectioned by planes parallel to the lower surface 101S of the substrate 101 of the high-frequency component 100.
- the sectional area of the columnar electrode 111 and the columnar electrode 121 is an area when the columnar electrode 111 and the columnar electrode 121 are sectioned in parallel to the upper surface 10S of the stacked body 10 at the time of mounting.
- the area of the columnar electrode 111 viewed from the lower surface 101S of the high-frequency component 100 from the direction in which the columnar electrode 111 extends is the columnar electrode protruding from the high-frequency component 100.
- the cross-sectional area of 111 is the same.
- the conductive joint 122 of the columnar electrode 121 having a smaller cross-sectional area becomes thicker than the conductive joint 112 of the columnar electrode 111 having a larger cross-sectional area. That is, as shown in FIG. 1, the length of the conductive joint portion 122 in the stacking direction is longer than the length of the conductive joint portion 112 by the difference d2.
- the distance from the lower surface 101 ⁇ / b> S of the substrate 101 is longer in the conductive bonding portion 122 provided in the columnar electrode 121 having a larger area than in the conductive bonding portion 112 provided in the columnar electrode 111 having a smaller area.
- FIG. 1 shows the difference d2 larger than it actually is.
- the lengths of the columnar electrode 111 and the columnar electrode 121 protruding from the lower surface 101S of the substrate 101 are substantially equal.
- the protruding length of the interlayer connection conductor 20 from the upper surface 10S in the stacking direction is equal to the connection position of the interlayer connection conductor 20 and the conductive joint 112 in the stacking direction and the connection.
- the difference between the connection position of the electrode 30 and the conductive joint portion 122 is adjusted to be the difference d1.
- the difference d2 between the length of the conductive joint 112 and the length of the conductive joint 122 in the stacking direction is offset by this difference d1. That is, the component mounting board 200 according to the present embodiment is configured such that the thickness difference between the conductive bonding portion 112 and the conductive bonding portion 122 is determined based on the connection position of the interlayer connection conductor 20 and the conductive bonding portion 112 in the stacking direction, the connection electrode 30 and It cancels out by the difference with the connection position of the conductive junction part 122.
- the component mounting board 200 when the high frequency component 100 is mounted on the mounting board 90, the upper surface 10S of the multilayer body 10 and the lower surface 101S of the board 101 are parallel to each other. The inclination of the high-frequency component 100 can be prevented.
- the component mounting board 200 according to the present embodiment can prevent poor electrical connection and a decrease in bonding strength due to the inclination.
- the difference d1 and the difference d2 may not be strictly equal. Even when the difference d1 and the difference d2 are not exactly equal, the degree of inclination of the high-frequency component 100 during mounting can be suppressed.
- the number of interlayer connection conductors 31 to 33 connected to the connection electrode 30 may be only one. Further, the interlayer connection conductors 31 to 33 do not penetrate from the upper surface 10S to the lower surface of the multilayer body 10, and the lower ends may not reach the sixth layer 6.
- the columnar electrodes 121 connected to the connection electrode 30 can be radiated more efficiently. Therefore, when the high-frequency component 100 includes the power amplifier at a position corresponding to the columnar electrode 121 when viewed in the stacking direction of the stacked body 10, the number of interlayer connection conductors connected to the connection electrode 30 is increased and the length is increased. Therefore, it is possible to efficiently dissipate heat from the power amplifier.
- FIG. 3 is a side sectional view of the mounting board 90A of the component mounting board 200A.
- the component mounting board 200A according to the present embodiment is different from the component mounting board 200 according to the first embodiment in that the cross-sectional area of the interlayer connection conductor 20A of the mounting board 90A is large. In other words, the interlayer connection conductor 20A is thicker than the interlayer connection conductors 31 to 33.
- the hole formed in the insulator sheet is made larger and the filling amount of the conductive material into the hole is larger than when the interlayer connection conductors 31 to 33 are formed. do it. Then, when the laminate 10 is sintered, the interlayer connection conductor 20A expands more than the interlayer connection conductors 31 to 33 and protrudes from the upper surface 10S.
- FIG. 4 is a side sectional view of the mounting board 90B of the component mounting board 200B.
- the component mounting board 200B according to the present embodiment is different from the component mounting board 200A according to the second embodiment in that a part of the interlayer connection conductor 20B of the mounting board 90B is thicker than the interlayer connection conductors 31 to 33.
- the interlayer connection conductor 20B is composed of a small diameter portion 20B1 and a large diameter portion 20B2.
- the small diameter portion 20B1 penetrates the first layer 1 to the third layer 3 and protrudes from the upper surface 10S.
- the large-diameter portion 20B2 passes through the fourth layer 4 to the sixth layer 6.
- FIG. 4 shows an example, and the large-diameter portion may be present in any one of the first layer 1 to the sixth layer 6.
- FIG. 5 is a side sectional view of the mounting board 90C of the component mounting board 200C.
- the component mounting board 200C according to the present embodiment is different from the first embodiment in that the interlayer connection conductor 20C of the mounting board 90C includes a plurality of interlayer connection conductors 20C1 and printed electrodes 20C2 sandwiched between the interlayer connection conductors 20C1. This is different from the component mounting board 200 according to FIG.
- the printing electrode 20C2 is formed by further applying a conductive material on the hole filled with the conductive material for the interlayer connection conductor 20C1.
- the interlayer connection conductors 31 to 33 do not include a print electrode, but may include a print electrode within a range not exceeding the number of print electrodes included in the interlayer connection conductor 20C.
- FIG. 6 is a side sectional view of the mounting board 90D of the component mounting board 200D.
- the component mounting board 200D according to the present embodiment is a combination of the characteristics of the component mounting board 200A according to the second embodiment and the characteristics of the component mounting board 200C according to the fourth embodiment.
- the diameter of the interlayer connection conductor 20D is larger than the diameter of the interlayer connection conductors 31 to 33, and includes a plurality of print electrodes 20D1.
- the diameter of the interlayer connection conductor 20D connected to the columnar electrode 111 having a relatively small area is larger than the diameter of the interlayer connection conductors 31 to 33.
- the mounting substrate 90D when the mounting substrate 90D is viewed from the stacking direction and the plurality of printed electrodes 20D1 disposed between the ceramic layers and the interlayer connection conductor 20D are disposed so as to overlap, the mounting substrate 90D in the stacking direction on the surface of the multilayer substrate is arranged. This is more preferable because a difference in distance between the height of the interlayer connection conductor 20D from the first layer 1 and the height of the interlayer connection conductors 31 to 33 can be increased.
- FIG. 7 is a side sectional view of the component mounting board 200E.
- the connection electrode 20E1 of the mounting board 90E is physically and electrically connected to the conductive bonding portion 112, and the stacked body 10E includes the recess 40 on the upper surface 10S. This is different from the component mounting board 200 according to the first embodiment.
- the recess 40 is formed by the laminated body 10 ⁇ / b> E partially including seven layers including the seventh layer 7 and the other portion including six layers. Specifically, the recess 40 is formed to include the columnar electrode 121 when the stacked body 10E is viewed along the stacking direction. In a region other than the recess 40 on the upper surface 10S, the seventh layer 7 is laminated on the first layer 1.
- connection conductor 20E includes a connection electrode 20E1 and an interlayer connection conductor 20E2.
- the connection electrode 20E1 is disposed in a region where the seventh layer 7 is laminated on the upper surface 10S.
- the thickness of the seventh layer 7 is set so that the difference d1 between the position of the connection electrode 20E1 and the position of the connection electrode 30 in the stacking direction is equal to the difference d2 in the high-frequency component 100.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
Abstract
Description
20,20A,20B,20C,20D…層間接続導体
20B1…細径部
20B2…太径部
20C1…層間接続導体
20C2,20D1…印刷電極
20E…接続導体
20E1…接続電極
20E2…層間接続導体
30…接続電極
31,32,33…層間接続導体
40…凹部
200,200A,200B,200C,200D,200E…部品実装基板
90,90A,90B,90C,90D,90E…実装基板
100…高周波部品
101…基板
111,121…柱状電極
112,122…導電接合部
Claims (8)
- 第1柱状電極及び第2柱状電極を有する部品と、
前記部品が主面に実装される積層構造の実装基板と、
を備える部品実装基板であって、
前記実装基板は、第1接続導体と、第2接続導体と、を有し、
前記部品は、前記第1柱状電極及び第1接続導体の間に配置される第1導電接合部と、前記第2柱状電極及び第2接続導体の間に配置される第2導電接合部と、を有し、
前記第1柱状電極の前記主面に平行な方向の断面積は、前記第2柱状電極の前記方向の断面積より小さく、
前記実装基板の積層方向において、前記第1接続導体と前記第1導電接合部との接続部の位置は、前記第2接続導体と前記第2導電接合部との接続部の位置よりも、前記主面の位置から遠い、
部品実装基板。 - 前記第1接続導体は、前記積層方向に沿って延伸する第1層間接続導体であり、
前記第2接続導体は、前記主面に配置される接続電極と、前記接続電極に接続され、前記積層方向に沿って延伸する少なくとも1つの第2層間接続導体と、を有し、
前記第1層間接続導体は、前記主面から突出している
請求項1に記載の部品実装基板。 - 前記第1層間接続導体の体積は、前記第2層間接続導体の体積より大きい、
請求項2に記載の部品実装基板。 - 前記第1層間接続導体の熱膨張率は、前記第2層間接続導体の熱膨張率より大きい、
請求項2又は3に記載の部品実装基板。 - 前記第2接続導体は、複数の前記第2層間接続導体を有する、
請求項2~4のいずれかに記載の部品実装基板。 - 前記実装基板は、塗布されてなる電極を層間に有し、
前記実装基板を前記積層方向に沿って視ると、前記第1接続導体の領域に存在する前記電極の数は、前記第2接続導体の領域に存在する前記電極の数より多い、
請求項1~5のいずれかに記載の部品実装基板。 - 第1柱状電極及び第2柱状電極を有する部品と、
前記部品が主面に実装される積層構造の実装基板と、
を備える部品実装基板であって、
前記実装基板は、前記主面に配置される第1接続電極と、前記主面に配置される第2接続電極と、を有し、
前記部品は、前記第1柱状電極及び第1接続導体の間に配置される第1導電接合部と、前記第2柱状電極及び第2接続導体の間に配置される第2導電接合部と、を有し、
前記第1柱状電極の前記主面に平行な方向の断面積は、前記第2柱状電極の前記方向の断面積より小さく、
前記実装基板は、前記主面において前記第2接続電極の領域が凹部となっている、
部品実装基板。 - 前記凹部は、前記実装基板の積層方向に沿って視ると、前記第1接続電極の領域の前記実装基板の層数が、前記第2接続電極の領域の前記実装基板の層数よりも多いことで、形成されている、
請求項7に記載の部品実装基板。
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JP2017521961A JP6477875B2 (ja) | 2015-06-03 | 2016-06-01 | 部品実装基板 |
CN201680031430.7A CN107615894B (zh) | 2015-06-03 | 2016-06-01 | 元器件安装基板 |
US15/829,881 US10111331B2 (en) | 2015-06-03 | 2017-12-02 | Component mounting substrate |
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