WO2022111915A1 - Verfahren zur herstellung einer elektrotechnischen anordnung, elektronisches steuergerät und elektrotechnische anordnung - Google Patents
Verfahren zur herstellung einer elektrotechnischen anordnung, elektronisches steuergerät und elektrotechnische anordnung Download PDFInfo
- Publication number
- WO2022111915A1 WO2022111915A1 PCT/EP2021/079221 EP2021079221W WO2022111915A1 WO 2022111915 A1 WO2022111915 A1 WO 2022111915A1 EP 2021079221 W EP2021079221 W EP 2021079221W WO 2022111915 A1 WO2022111915 A1 WO 2022111915A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- circuit substrate
- flank
- electrotechnical
- insulating element
- arrangement
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 122
- 238000000034 method Methods 0.000 claims description 21
- 239000004020 conductor Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 3
- 239000000615 nonconductor Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 238000005304 joining Methods 0.000 description 7
- 238000013459 approach Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000010292 electrical insulation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/02—Containers; Seals
- H01L23/04—Containers; Seals characterised by the shape of the container or parts, e.g. caps, walls
-
- 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
- H01L23/13—Mountings, e.g. non-detachable insulating substrates characterised by the shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/32—Holders for supporting the complete device in operation, i.e. detachable fixtures
Definitions
- the present invention relates to a method for producing an electrotechnical arrangement, an electronic control unit and an electrotechnical arrangement.
- the present invention relates to simple and inexpensive as well as precise placement with a circuit substrate for connecting electrical components.
- Today's power substrates are based on a ceramic structure with a metallic upper and lower side. Then the power switches (IGBT, MOSFET, ...) are assembled and wired. Due to the substrate, a disentanglement is only possible in two-dimensional space. Bonds are available as external contacts (ribbon, wire). Stamped parts that are contacted using ultrasound or laser welding are also used. These connecting elements are already part of one of the joining partners.
- the design element presented here is based on the idea of not making the connection between the substrate-based module and the intermediate circuit capacitor in one production step, but rather obtaining a design by separating the production steps that meets the above-mentioned tasks.
- Existing requirements for clearance and creepage distances can also be varied or adjusted using this design element.
- the design element designed here ensures that the joining partner is positioned in the X and Y direction. Due to the joining process, the connecting part is brought into its final position in the Z direction during the process. This centering principle (Z-direction) is flexible for this.
- the draft angle on the electronic component serves as a drogue. This drogue can also be used to set the creepage distance against electrical short circuits.
- an electrotechnical arrangement which has a circuit substrate (board) and at least one electrical component.
- the electrical component can include a power switch (IGBT, MOSFET, etc.), for example.
- an insulating element is provided, which is provided in particular at the edge of the circuit substrate.
- the insulating element can be provided as electrical insulation between an upper side and a lower side of the circuit substrate.
- the circuit substrate is overmolded with the insulating element.
- the circuit substrate can be understood or designed as a frame at least approximately surrounding the circuit substrate or as an enclosure of the circuit substrate.
- the insulating member has a flank oriented at an angle with respect to a direction Z defined perpendicularly on a surface of the circuit substrate.
- the flank could also be understood as a ramp, slope or slope.
- the component is fixed to the circuit substrate at the foot of the flank of the insulating element.
- the component has a section or structure which is arranged before and after the joining of the component on the circuit substrate or on a conductor track located on the circuit substrate.
- the component is fixed in a desired position on the circuit substrate by its portion at the foot of the flank, while the component is being processed an approach to the circuit substrate (in the upper areas of the edge) can have even higher position tolerances with respect to the circuit substrate.
- the edge defines, so to speak, a forced reduction in the positional tolerances as the component approaches the circuit substrate.
- the edge of the insulating element could therefore also be understood as part of a funnel or a positioning ramp. If the component is brought into engagement with the edge of the insulating element in a predefined manner, it can only reach the desired position in the course of approaching the circuit substrate. In particular, a section of the component guided through the edge can be clamped between the edge and another structure (e.g. another edge on/in the insulating element) in order in this way to adopt particularly small tolerances horizontally to the surface of the circuit substrate before it is glued or welded to the circuit substrate , soldered or similar.
- another structure e.g. another edge on/in the insulating element
- the component can be pressed against the circuit substrate, while its section located in the area of the foot of the edge is clamped by this process and optionally even forcibly deformed/prestressed.
- this part of the component can be slowed down by the friction on the edge, while the remaining components of the component continue to migrate in the direction of the circuit substrate until they finally come into contact with it and are electrically connected to it.
- the electrical connection can be made in particular with a pad or a conductor track, which is arranged on the circuit substrate.
- the insulating element provided on the circuit substrate for electrical insulation can also be used to facilitate positioning of the electrical component on the circuit substrate.
- the component can in particular comprise a stamped part, preferably having a conductor track, in order to make electrical contact with a predefined area on the circuit substrate.
- the area of the component to be arranged in the area of the foot of the flank can be elastic (in particular spring-elastic) in order to ensure exact positioning of the component with respect to the substrate before the electrical component is (electrically and/or mechanically) connected to the circuit substrate.
- the electrical component slides at least partially down the flank until the electrical component passes through the flank of the insulating element comes to rest at its target position on the circuit substrate.
- the edge can have a linear shape, for example, in order to keep frictional forces constant over the path Z as the electrical component approaches the circuit substrate.
- a length of the flank may be at least 30%, preferably 80% or more, of a Z-direction thickness of the insulating member over the surface of the circuit substrate.
- the flank runs through the height of the insulating element in the Z-direction at least 30%, preferably 80%, in particular 90% or more.
- the overall thickness of the insulating element over a surface of the circuit substrate in the area of the flank can be at least 10 mm, preferably 20 mm, most preferably 30 mm, or ranges between the aforementioned values.
- the total thickness of the insulating element over a surface of the circuit substrate in the area of the flank is then based on the selected flank angle in conjunction with the manufacturing and component tolerance to be eliminated and is in this case usually between 3 mm and 30 mm, in particular with integer multiples of 1 mm in the above interval.
- the insulating element can be provided as an electrical insulator in the arrangement. It can be provided between an upper side and a lower side of the circuit substrate in order to avoid leakage currents.
- the insulating element runs around an edge/cut edge of the circuit substrate, at least in the area of those surfaces between which a significant voltage is to be expected during operation.
- the insulating element encloses the circuit substrate, so to speak, which is why flanks according to the invention can be provided at different edges of the circuit substrate in order to move the electrical component horizontally to the circuit substrate in the X/Y direction when the electrical component is approached to the circuit substrate.
- the flank can be configured as a draft angle. In other words, the flank can also be provided for demoulding of the insulating member from an injection mold by which it has been injected onto the circuit substrate. Alternatively or additionally, the flank can be part of a drogue or a V-shaped groove.
- a funnel is not necessarily to be regarded as a partially conical hollow shape, but can, for example, comprise two essentially flat flanks, which cause the electrical component to be displaced in different directions horizontally to the surface of the circuit substrate in order to move the electrical component into its desired position bring to.
- the flank can have an angle relative to the Z-direction of 5° to 50°, preferably 10° to 45°, particularly preferably between 12° and 40°. In this area, the frictional forces will turn out to be tolerable even if the electrical component is initially positioned imprecisely relative to the circuit substrate, while a sufficient reduction in the initial positioning tolerances can be achieved in the course of the joining process.
- the electrotechnical arrangement according to the invention can have an additional flank which forms a funnel in conjunction with the flank in the insulating element.
- the orientation of the additional flank can be rotated relative to the flank, for example in the azimuthal direction on the surface of the circuit substrate.
- an orientation of the flank that is essentially rotated by 90° about the Z direction can ensure that the two flanks can bring about a positioning of the electrical component in both the X and Y directions when they interact.
- a base structure which covers the surface of the circuit substrate, can be provided in the insulating element between the additional flank and the flank.
- the bottom of the drogue or the V-shaped groove is filled/covered by insulating material of the insulating element.
- a structure of the electrical component sliding down the flank/additional flank thus does not come into electrical/mechanical contact with the circuit substrate anyway at the end of the joining process, but rests on the base structure. This biases the electrical component into its final position on the circuit substrate.
- a structure of the electrical component can be clamped between the additional flank and the flank, as has already been explained above. In this way, a zero-tolerance-like Positioning aid provided for the electrical component. This ensures exact positioning in the X and/or Y direction even before the electrical component has reached its end position in contact with the circuit substrate.
- a method for producing an electrotechnical arrangement is proposed, as has been described in detail above in connection with the first-mentioned aspect of the invention.
- a circuit substrate is first encapsulated with an insulating element.
- the edge regions of the circuit substrate can be surrounded by an initially liquid or pasty mass, which then foams and/or hardens in an injection mold.
- the insulating element formed in this way can in particular have a height which is 1/20, preferably 1/10, particularly preferably 1/5, of a greatest longitudinal extension of the dimension of the circuit substrate.
- An electrical component is then placed on the circuit substrate, with the component being placed on the circuit substrate in the course of a movement in the direction of a normal to the surface of the circuit substrate (Z direction) and by a flank of the insulating element configured at an angle to the Z direction in a direction perpendicular to the Direction Z-oriented direction X and / or Y is aligned with respect to the circuit substrate.
- the electrical component slides at least partially along the edge and thus finds an end position (desired position) predefined by the edge on the circuit substrate.
- the circuit substrate is to be understood as a component which defines a mechanical end position of the electrical component, without requiring that the circuit substrate must not have any further components or conductor tracks on which the electrical component is (proportionally) placed.
- the electrical component can be mechanically and electrically (in particular galvanically) connected to the circuit substrate and/or be connected to a conductor located on it.
- the connection can be made, for example, by friction welding and/or sintering and/or soldering and/or welding and/or riveting and/or gluing.
- the electrical component is brought into a desired position on the circuit substrate, which is defined by the edge in the insulating element, and is then connected to it for its intended function.
- an electronic control unit which can be provided and set up, for example, for use in an automotive vehicle electrical system.
- the electronic control unit comprises an electrotechnical arrangement according to the first-mentioned aspect of the invention and is produced in particular according to a method according to the second-mentioned aspect of the invention.
- the electronic control unit can be designed, for example, as an engine and/or transmission and/or gateway control unit. In particular, it can be set up alternatively or additionally for steering a means of locomotion. More preferably, the electronic control unit can be provided for power conversion in the vehicle electrical system of the means of transportation between a first voltage level and a second voltage level. As an alternative or in addition, the electronic control unit can be configured for power conversion from three-phase electrical energy into single-phase electrical energy or vice versa.
- Figure 1 is a schematic representation of a plan view
- Figure 2 is a schematic representation of an overlapping
- FIG. 3 shows a side view of two electrical components as joining partners in an exemplary embodiment of an electrotechnical contacting arrangement
- FIG. 4 shows a perspective illustration of an exemplary embodiment of an electrotechnical arrangement according to the invention
- FIG. 5 perspective view of a further exemplary embodiment of an electrotechnical arrangement according to the invention.
- FIG. 6 shows a side view of a further exemplary embodiment of an electrotechnical arrangement according to the invention.
- FIG. 7 shows a side view of a further exemplary embodiment of an electrotechnical arrangement according to the invention.
- FIG. 8 shows a sectional illustration of a partial area of the electrotechnical arrangement illustrated in FIG.
- FIG. 9 shows a flow chart illustrating steps of an exemplary embodiment of a method according to the invention for producing an electrotechnical arrangement.
- FIG. 1 shows a plan view of a substrate 3 on which contact points T, 2' for contacting electrical components 1, 2 are arranged.
- the electrical component 1 has an electrical supply line, which is electrically insulated and runs between the two contact points T, 2' for the electrical component 2.
- the contact points T, 2' have an essentially rectangular shape. However, their corners are rounded.
- An insulating trench is provided between the contact points T, 2', which has a width which is approximately 1/5 to 1/7 of the shortest extent of the contact points T, 2' for the electrical components 1, 2.
- FIG. 2 shows a plan view of the arrangement shown in FIG. 1 after the contact points T, 2′ have been contacted by electrical components 1, 2.
- a Exact positioning of the electrical components 1, 2 on the contact points 1', 2' is required, among other things, in order not to accidentally bridge the insulating trench located between the contact points 1, 2'.
- FIG. 3 shows a side view of the contacting arrangement 9 (see FIG. 1, FIG. 2), in which the spatial relationship between the electrical components 1, 2 above the circuit substrate 3 can be seen.
- the electrical components 1, 2 are electrically and mechanically connected to their respective contact points 1', 2' (not shown here) by friction welding, for example. From the contact points 1', 2', curved structures of the electrical components 1, 2 stand out in an approximately vertical direction from the circuit substrate 3, in order to then transition back into a horizontal line at a height that is similar to one another.
- An insulating element 4 is attached to the underside of the electrical component 2, so that the common derivation of the electrical components 1, 2 does not lead to an electrical connection between the two electrical components 1, 2.
- FIG. 4 shows an electrotechnical arrangement 10 according to a first exemplary embodiment of the present invention, in which a circuit substrate 3 has an insulating element 4 injection-molded around the edge.
- the insulating element 4 electrically insulates any voltage that may be present on the upper side 3a of the circuit substrate 3 from a voltage that may be present on an underside (not shown).
- the insulating element 4 has a maximum height H in order to provide a comparatively large insulating distance from the top 3a to the bottom. This reduces any leakage currents.
- a web 4a is also formed from the insulating element 4, which connects opposite edges of the circuit substrate 3 to one another and thus promotes electrical insulation of two regions on the surface 3a of the circuit substrate 3.
- a first flank 5 is provided, which forms a positioning funnel with a vertical flank opposite flank 5 in the Y direction.
- a structure introduced in this drogue in the negative Z-direction would thus reach a specific target position without the electrical component having to be guided externally for this purpose.
- a target end position is defined by the flank 5 or the drogue defined by it.
- an additional flank 6, which has a slope falling in the X-direction Are defined.
- the additional flank 6 can thus define a predefined target position of electrical components 1, 2 to be connected to the circuit substrate 3 in the X direction.
- flank 5 and the additional flank 6 are oriented at 90° to one another in the mathematically negative direction of rotation.
- the same can apply to the respective drogue or grooves, which result in connection with the flank 5 or the additional flank 6 .
- flank 5 and additional flank 6 can also be combined in a common drogue, so that one and the same structure of electrical component 1 , 2 is guided into its end position both by flank 5 and by additional flank 6 .
- the bottom of the respective drogue is covered by a flat layer of the insulating element 4 in the form of a bottom structure.
- the circuit substrate is superficially insulated.
- the base structure 7 can lead to a prestressing of the electrical component 1, 2 with respect to the circuit substrate 3 in its end position. In this way it can be avoided that vibrations lead to disturbing noises.
- a width of the flank 5 or the additional flank 6 can be in a range between 2 mm and 20 mm, preferably between 3 and 15 mm, most preferably between 5 and 10 mm.
- the width refers to a dimension of the flank 5 or additional flank 6 running at right angles to the downward direction.
- Figure 5 shows a perspective view of an alternative exemplary embodiment of an electrotechnical arrangement 10 according to the invention.
- a component 2 made from stamped sheet metal has two tabs which, corresponding to the contacting arrangement 9 shown in connection with Figure 3, are angled twice in opposite directions at right angles and are mechanically and mechanically connected to the substrate 3 are electrically connected.
- Two structures 2a, 2b protruding from the vertical areas of the tabs are each flank 5 in a respective target position by the drogue. Position has been performed so that they were precisely positioned on the circuit substrate 3 with respect to the X and Y directions before the fixation.
- FIG. 6 shows a sectional representation of the arrangement shown in FIG. To put it another way, the sectional view is created essentially corresponding to a position of the double arrow X in FIG. Regions of the insulating element 4 that surround the circuit substrate 3 at the edge surround the lower side of the circuit substrate 3 with a comparatively flat structure, while the insulating element 4 forms the flanks 5 according to the invention in the region of the upper side of the circuit substrate 3 in order to close the structures 2a, 2b of the electrical component 2 lead and position essentially free of play.
- the stamped part tolerance is indicated by the double arrow X1, while the molded body tolerance is illustrated by X2.
- the tolerance in the end position of the electrical component 2 can be predefined by the dimensioning of X1 with respect to X2.
- a region of the insulating element 4 arranged centrally on the circuit substrate 3 has two additional flanks 6 which, in conjunction with the outer flanks 5, bring about an exact positioning of the electrical component 2 on the circuit substrate 3.
- the punched part and the molded body have a respective manufacturing tolerance (specimen scatter) and a mutual tolerance.
- the thickness of the punched part (Y1) can deviate or vary in relation to the V-groove opening and thus bring about or endanger exact positioning.
- Figure 7 shows a side sectional view of the exemplary embodiment of an electrotechnical arrangement 10 shown in Figure 5.
- the (not shown) structures of the essentially vertical sections of the electrical components 1, 2 are arranged in a respective drogue between two oppositely inclined flanks 5 and thus fixed with respect to the circuit substrate 3 .
- the electrical component 1 goes from a horizontal fastening tab fastened on a conductor track 12 to the essentially vertical one mentioned above structure above. Another bending by almost 90° transfers the electrical component 1 to the horizontal, as a result of which it runs parallel to the circuit substrate 3 in this area.
- Two conductor track sections 12 electrically isolated from one another are separated from one another by a structure of the insulating element 4, so that the leakage current path between the conductor track sections 12 is significantly longer than a horizontal connection (for example via a surface of the circuit substrate 3).
- FIG. 8 shows an enlarged view of the left edge area of the electrotechnical arrangement 10 presented in FIG. Moreover, the circuit substrate 3 is housed in a case 8 as is the insulating member 4 . If the circuit substrate 3 and the electrical component 2 are positioned in the housing 8 beforehand, the spraying process during the production of the insulating element 4 can fix and/or brace and/or glue the aforementioned components in the housing 8 . In this case, an additional screw connection or other attachment can preferably be omitted.
- FIG. 9 shows steps of an exemplary embodiment of a method according to the invention for producing an electrotechnical arrangement.
- the electrotechnical arrangement can be part of an electrical control unit or be included in it.
- a circuit substrate is overmoulded with an insulating element.
- the circuit substrate is overmoulded with the insulating element at the edge/side.
- the insulating element can be or comprise a foaming plastic. In this way, it is also possible to fix the circuit substrate in its periphery by means of the insulating element.
- an electrical component is then placed on the circuit substrate. The component is guided toward the circuit substrate while moving in the Z direction (perpendicular to a surface of the circuit substrate).
- the electrical component is a flank of the insulating element running at an angle to the Z direction is aligned in an X and/or Y direction perpendicular to the Z direction with respect to the circuit substrate.
- the electrical component slides, if necessary, along the edge of the insulating element into a position closest to the circuit substrate, in which the electrical
- step 300 the component is then mechanically and electrically connected to the circuit substrate.
- Cohesive and/or form-fitting and/or friction-fitting methods can be used here.
- a galvanic connection optionally a friction weld connection, a soldering process or sintering can be used.
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Combinations Of Printed Boards (AREA)
- Structure Of Printed Boards (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020237021107A KR20230110778A (ko) | 2020-11-27 | 2021-10-21 | 전기 기술적 배열체의 제조 방법, 전자 제어 장치 및 전기 기술적 배열체 |
EP21798035.8A EP4252278A1 (de) | 2020-11-27 | 2021-10-21 | Verfahren zur herstellung einer elektrotechnischen anordnung, elektronisches steuergerät und elektrotechnische anordnung |
JP2023532279A JP2023550826A (ja) | 2020-11-27 | 2021-10-21 | 電気技術的機構の製造方法、電子制御機器、および電気技術的機構 |
US18/254,251 US20240006255A1 (en) | 2020-11-27 | 2021-10-21 | Method for producing an electrotechnical arrangement, electronic control unit and electrotechnical arrangement |
CN202180079777.XA CN116584158A (zh) | 2020-11-27 | 2021-10-21 | 用于制造电子技术组件的方法、电子控制设备和电子技术组件 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020214989.5 | 2020-11-27 | ||
DE102020214989.5A DE102020214989A1 (de) | 2020-11-27 | 2020-11-27 | Verfahren zur Herstellung einer elektrotechnischen Anordnung, elektronisches Steuergerät und elektrotechnische Anordnung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022111915A1 true WO2022111915A1 (de) | 2022-06-02 |
Family
ID=78332808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2021/079221 WO2022111915A1 (de) | 2020-11-27 | 2021-10-21 | Verfahren zur herstellung einer elektrotechnischen anordnung, elektronisches steuergerät und elektrotechnische anordnung |
Country Status (7)
Country | Link |
---|---|
US (1) | US20240006255A1 (de) |
EP (1) | EP4252278A1 (de) |
JP (1) | JP2023550826A (de) |
KR (1) | KR20230110778A (de) |
CN (1) | CN116584158A (de) |
DE (1) | DE102020214989A1 (de) |
WO (1) | WO2022111915A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69227066T2 (de) * | 1991-05-31 | 1999-06-10 | Denso Corp., Kariya, Aichi | Elektronische Vorrichtung |
US20010038143A1 (en) * | 1997-06-12 | 2001-11-08 | Yukio Sonobe | Power semiconductor module |
US20070165986A1 (en) * | 2005-12-19 | 2007-07-19 | Wataru Sakurai | Method for manufacturing optical coupling part and optical coupling part |
US20080138027A1 (en) * | 2006-11-20 | 2008-06-12 | Wataru Sakurai | Method of producing optical fiber positioning component, and optical fiber positioning component |
DE102015208413A1 (de) * | 2015-05-06 | 2016-11-10 | Robert Bosch Gmbh | Elektrische Verbindungsanordnung |
-
2020
- 2020-11-27 DE DE102020214989.5A patent/DE102020214989A1/de active Pending
-
2021
- 2021-10-21 KR KR1020237021107A patent/KR20230110778A/ko unknown
- 2021-10-21 US US18/254,251 patent/US20240006255A1/en active Pending
- 2021-10-21 EP EP21798035.8A patent/EP4252278A1/de active Pending
- 2021-10-21 WO PCT/EP2021/079221 patent/WO2022111915A1/de active Application Filing
- 2021-10-21 JP JP2023532279A patent/JP2023550826A/ja active Pending
- 2021-10-21 CN CN202180079777.XA patent/CN116584158A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69227066T2 (de) * | 1991-05-31 | 1999-06-10 | Denso Corp., Kariya, Aichi | Elektronische Vorrichtung |
US20010038143A1 (en) * | 1997-06-12 | 2001-11-08 | Yukio Sonobe | Power semiconductor module |
US20070165986A1 (en) * | 2005-12-19 | 2007-07-19 | Wataru Sakurai | Method for manufacturing optical coupling part and optical coupling part |
US20080138027A1 (en) * | 2006-11-20 | 2008-06-12 | Wataru Sakurai | Method of producing optical fiber positioning component, and optical fiber positioning component |
DE102015208413A1 (de) * | 2015-05-06 | 2016-11-10 | Robert Bosch Gmbh | Elektrische Verbindungsanordnung |
Also Published As
Publication number | Publication date |
---|---|
CN116584158A (zh) | 2023-08-11 |
US20240006255A1 (en) | 2024-01-04 |
DE102020214989A1 (de) | 2022-06-02 |
EP4252278A1 (de) | 2023-10-04 |
JP2023550826A (ja) | 2023-12-05 |
KR20230110778A (ko) | 2023-07-25 |
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