WO2017134799A1 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- WO2017134799A1 WO2017134799A1 PCT/JP2016/053382 JP2016053382W WO2017134799A1 WO 2017134799 A1 WO2017134799 A1 WO 2017134799A1 JP 2016053382 W JP2016053382 W JP 2016053382W WO 2017134799 A1 WO2017134799 A1 WO 2017134799A1
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- WIPO (PCT)
- Prior art keywords
- housing
- semiconductor device
- screw
- radiating plate
- heat
- Prior art date
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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
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
-
- 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
- H01L23/053—Containers; Seals characterised by the shape of the container or parts, e.g. caps, walls the container being a hollow construction and having an insulating or insulated base as a mounting for the semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/16—Fillings or auxiliary members in containers or encapsulations, e.g. centering rings
- H01L23/18—Fillings characterised by the material, its physical or chemical properties, or its arrangement within the complete device
- H01L23/24—Fillings characterised by the material, its physical or chemical properties, or its arrangement within the complete device solid or gel at the normal operating temperature of the device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3735—Laminates or multilayers, e.g. direct bond copper ceramic substrates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/50—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor for integrated circuit devices, e.g. power bus, number of leads
-
- 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
- H01L2224/01—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
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32225—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
-
- 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
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49811—Additional leads joined to the metallisation on the insulating substrate, e.g. pins, bumps, wires, flat leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
Definitions
- the present invention relates to a semiconductor device, and more particularly to a power semiconductor device for power conversion.
- the power semiconductor device includes an electrode provided so as to protrude outward from the casing of the power semiconductor device.
- the electrode is joined to the bus bar and the screw at the protruding portion.
- the power semiconductor device includes a metal heat radiating plate in order to radiate heat generated in the housing to the outside.
- the heat radiating plate may be provided to protrude outward from the housing so as to be parallel to the electrodes. In this case, since it is necessary to ensure electrical insulation between the screw and the heat sink, there is a problem that the power semiconductor device is restricted in the thickness direction and hinders miniaturization.
- Patent Document 1 Patent Document 1
- Patent Document 2 Patent Document 1
- Patent Documents 1 and 2 since an insulating sheet is provided to ensure insulation between the screw and the heat radiating plate, there is a problem that costs are increased.
- the present invention has been made to solve such a problem, and provides a semiconductor device that can ensure insulation between a screw and a heat sink and can be reduced in size and cost. Objective.
- a semiconductor device is provided on a housing containing a semiconductor element and a bottom surface of the housing, and a part of the semiconductor device extends outside the housing.
- a heat sink, an electrode electrically connected to the semiconductor element, a part of the electrode protruding from the housing in parallel with the heat sink, and an exposed portion of the electrode protruding from the housing and the external terminal The heat sink has a thickness defect portion at least on the screw side of the portion facing the screw.
- a semiconductor device includes a housing enclosing a semiconductor element, a heat dissipating plate disposed on the bottom surface of the housing and extending partly beyond the housing, and an electrical connection to the semiconductor element.
- a part of the electrode is provided outside and protrudes in parallel with the heat dissipation plate, and an exposed portion of the electrode protruding from the case and a screw that joins the external terminal. , And is not provided in a portion facing the screw.
- a semiconductor device includes a housing enclosing a semiconductor element, a heat dissipating plate disposed on the bottom surface of the housing and partially extending beyond the housing, and the semiconductor element.
- a part of the electrode that is electrically connected to the outside and projecting in parallel with the heat dissipation plate from the housing, and a screw that joins the exposed portion of the electrode projecting from the housing and the external terminal. Since the plate has a thickness defect portion at least on the screw side of the portion facing the screw, insulation between the screw and the heat radiating plate can be ensured, and the size and cost can be reduced.
- the semiconductor device includes a housing enclosing the semiconductor element, a heat dissipating plate disposed on the bottom surface of the housing and extending to the outside beyond the housing, and the semiconductor element A part of the electrode protruding from the housing in parallel with the heat dissipation plate, and a screw that joins the exposed portion of the electrode protruding from the housing and the external terminal. Since it is not provided in the portion facing the screw, insulation between the screw and the heat radiating plate can be secured, and the size and cost can be reduced.
- FIG. 5 is a diagram showing an example of the configuration of the semiconductor device 23 according to the base technology, and shows a cross section of the semiconductor device 23.
- the semiconductor device 23 includes a semiconductor element 2, a metal pattern 3, a wire 5, an electrode 6, a wire 7, and an insulating substrate 11 in a housing 15, and a heat radiating plate 24 on the bottom surface (the lower surface of the paper). It is arranged. A resin 16 is sealed in the housing 15.
- the semiconductor element 2 has one surface electrically connected to the metal pattern 3 via the solder 4 and the other surface electrically connected to the wire 5.
- the metal pattern 3 and the electrode 6 are provided on the insulating substrate 11 and are electrically connected via the wire 5.
- the heat dissipation plate 24 is provided on one surface of the insulating substrate 11 opposite to the surface on which the metal pattern 3 is provided via the solder 14, and the other surface is exposed.
- the heat radiating plate 24 is disposed on the bottom surface of the housing 15 and is provided so that a part thereof extends outside the housing 15.
- the electrode 6 is provided so that one end is exposed in the housing 15, and the other end is provided to protrude from the housing 15 to the outside in parallel with the heat dissipation plate 24. At the other end of the electrode 6, the upper surface (the upper surface of the paper surface) is exposed.
- the bus bar 8 is joined to the exposed portion by a screw 9 and a nut 10.
- the bus bar 8 is an external terminal provided for applying a voltage to the semiconductor element 2 from the outside and transmitting the output of the semiconductor element 2 to the outside.
- the heat radiating plate 24 can efficiently radiate the heat generated in the housing 15 to the outside. Further, the semiconductor device 23 can be provided with a longer life by including the heat radiating plate 24 and the resin 16.
- Patent Documents 1 and 2 an insulating sheet is provided on the surface of the heat radiating plate facing the screw in order to ensure insulation between the screw and the heat radiating plate. There was a problem that it took.
- the present invention has been made to solve such problems, and will be described in detail below.
- FIG. 1 is a diagram showing an example of the configuration of the semiconductor device 1 according to the first embodiment of the present invention, and shows a cross section of the semiconductor device 1.
- the semiconductor device 1 according to the first embodiment is characterized by including a heat radiating plate 12. Since other configurations are the same as those of the base technology (see FIG. 5), detailed description thereof is omitted here.
- the heat radiating plate 12 is disposed on the bottom surface of the housing 15 and is provided so that a part thereof extends outside the housing 15. Moreover, the heat sink 12 has the thickness defect
- the present embodiment is more effective than the semiconductor device 23 according to the premise technology.
- the semiconductor device 1 according to the form 1 can be downsized in the thickness direction. Moreover, since the insulation between the screw 9 and the heat sink 12 can be ensured without providing a new member, the cost of the semiconductor device 1 can be reduced.
- FIG. 2 is a view showing an example of the configuration of the semiconductor device 17 according to the second embodiment of the present invention, and is a view of the semiconductor device 17 as seen from the heat radiating plate 18 side.
- the semiconductor device 17 according to the second embodiment is characterized by including a heat sink 18. Since other configurations are the same as those of the base technology (see FIG. 5), detailed description thereof is omitted here.
- the heat radiating plate 18 is disposed on the bottom surface of the casing 15 and is provided so that a part thereof extends outside the casing 15. Further, the heat sink 18 has a thickness defect portion 13 (a hatched portion of the heat sink 18 in the figure) only in a portion facing the screw 9 in a portion extending beyond the housing 15 to the outside. have.
- FIG. 3 is a view showing an example of the configuration of the semiconductor device 19 according to the third embodiment of the present invention, and is a view of the semiconductor device 19 as viewed from the heat sink 20 side.
- the semiconductor device 19 according to the third embodiment is characterized by including a heat sink 20. Since other configurations are the same as those of the base technology (see FIG. 5), detailed description thereof is omitted here.
- the heat sink 20 is disposed on the bottom surface of the housing 15 and is provided so that a part thereof extends outside the housing 15. Further, the heat radiating plate 20 is not provided in a portion facing the screw 9 in a portion extending beyond the housing 15 to the outside. In the example of FIG. 3, the heat radiating plate 20 has a notch in a portion facing the screw 9.
- the semiconductor device 19 according to the third embodiment can be made smaller in the thickness direction than the semiconductor device 23 according to the base technology. Moreover, since the insulation between the screw 9 and the heat sink 12 can be ensured without providing a new member, the cost of the semiconductor device 1 can be reduced.
- FIG. 4 is a diagram showing an example of the configuration of the semiconductor device 21 according to the fourth embodiment of the present invention, and is a view of the semiconductor device 21 as viewed from the heat radiating plate 22 side.
- the semiconductor device 21 according to the fourth embodiment is characterized by including a heat radiating plate 22. Since other configurations are the same as those of the base technology (see FIG. 5), detailed description thereof is omitted here.
- the heat radiating plate 22 is disposed on the bottom surface of the housing 15 and is provided so that a part thereof extends outside the housing 15. Further, the heat radiating plate 22 has an opening that surrounds a portion of the portion that extends outside the housing 15 and that faces the screw 9.
- the fourth embodiment in addition to the effects of the third embodiment, it is possible to suppress the heat sink 22 from being deformed due to a shape change factor (for example, temperature change).
- a shape change factor for example, temperature change
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
まず、本発明の前提となる技術(前提技術)について説明する。
図1は、本発明の実施の形態1による半導体装置1の構成の一例を示す図であり、半導体装置1の断面を示している。
図2は、本発明の実施の形態2による半導体装置17の構成の一例を示す図であり、半導体装置17を放熱板18側から見た図である。
図3は、本発明の実施の形態3による半導体装置19の構成の一例を示す図であり、半導体装置19を放熱板20側から見た図である。
図4は、本発明の実施の形態4による半導体装置21の構成の一例を示す図であり、半導体装置21を放熱板22側から見た図である。
Claims (6)
- 半導体素子を内包する筐体と、
前記筐体の底面に配置され、一部が前記筐体を超えて外部に延在するように設けられた放熱板と、
前記半導体素子に電気的に接続され、一部が前記筐体から外部に前記放熱板と平行に突出して設けられた電極と、
前記筐体から突出した前記電極の露出部分と外部端子とを接合するネジと、
を備え、
前記放熱板は、少なくとも前記ネジに対向する部分の前記ネジ側に肉厚欠損部を有することを特徴とする、半導体装置。 - 前記放熱板は、前記ネジに対向する部分を含む前記外部に延在した全ての部分に前記肉厚欠損部を有することを特徴とする、請求項1に記載の半導体装置。
- 前記放熱板は、前記ネジに対向する部分のみに前記肉厚欠損部を有することを特徴とする、請求項1に記載の半導体装置。
- 半導体素子を内包する筐体と、
前記筐体の底面に配置され、一部が前記筐体を超えて外部に延在するように設けられた放熱板と、
前記半導体素子に電気的に接続され、一部が前記筐体から外部に前記放熱板と平行に突出して設けられた電極と、
前記筐体から突出した前記電極の露出部分と外部端子とを接合するネジと、
を備え、
前記放熱板は、前記ネジに対向する部分には設けられないことを特徴とする、半導体装置。 - 前記放熱板は、前記ネジに対向する部分に切り欠き部を有することを特徴とする、請求項4に記載の半導体装置。
- 前記放熱板は、前記ネジに対向する部分を囲む開口部を有することを特徴とする、請求項4に記載の半導体装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017565352A JP6362800B2 (ja) | 2016-02-04 | 2016-02-04 | 半導体装置 |
US15/778,635 US10438865B2 (en) | 2016-02-04 | 2016-02-04 | Semiconductor device |
PCT/JP2016/053382 WO2017134799A1 (ja) | 2016-02-04 | 2016-02-04 | 半導体装置 |
CN201680080565.2A CN108604580B (zh) | 2016-02-04 | 2016-02-04 | 半导体装置 |
DE112016006367.9T DE112016006367B4 (de) | 2016-02-04 | 2016-02-04 | Halbleitervorrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2016/053382 WO2017134799A1 (ja) | 2016-02-04 | 2016-02-04 | 半導体装置 |
Publications (1)
Publication Number | Publication Date |
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WO2017134799A1 true WO2017134799A1 (ja) | 2017-08-10 |
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PCT/JP2016/053382 WO2017134799A1 (ja) | 2016-02-04 | 2016-02-04 | 半導体装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10438865B2 (ja) |
JP (1) | JP6362800B2 (ja) |
CN (1) | CN108604580B (ja) |
DE (1) | DE112016006367B4 (ja) |
WO (1) | WO2017134799A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108695280A (zh) * | 2018-07-09 | 2018-10-23 | 株洲中车奇宏散热技术有限公司 | 一种风冷陶瓷板绝缘散热器及耐高压绝缘散热方法 |
JP7193730B2 (ja) * | 2019-03-26 | 2022-12-21 | 三菱電機株式会社 | 半導体装置 |
USD1012871S1 (en) * | 2020-06-30 | 2024-01-30 | Roche Molecular Systems, Inc. | Circuit board sensor pad |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09153574A (ja) * | 1995-11-30 | 1997-06-10 | Mitsubishi Electric Corp | 半導体装置および半導体モジュール |
JP2003007966A (ja) * | 2001-06-19 | 2003-01-10 | Mitsubishi Electric Corp | 半導体装置 |
JP2011009370A (ja) * | 2009-06-24 | 2011-01-13 | Toshiba Corp | 半導体装置の固定具及びその取付構造 |
Family Cites Families (12)
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JP3168901B2 (ja) * | 1996-02-22 | 2001-05-21 | 株式会社日立製作所 | パワー半導体モジュール |
JP3813098B2 (ja) * | 2002-02-14 | 2006-08-23 | 三菱電機株式会社 | 電力用半導体モジュール |
JP4097613B2 (ja) * | 2004-03-09 | 2008-06-11 | 三菱電機株式会社 | 半導体装置 |
JP4453498B2 (ja) * | 2004-09-22 | 2010-04-21 | 富士電機システムズ株式会社 | パワー半導体モジュールおよびその製造方法 |
JP4538359B2 (ja) * | 2005-03-31 | 2010-09-08 | 株式会社日立産機システム | 電気回路モジュール |
DE102006011995B3 (de) * | 2006-03-16 | 2007-11-08 | Semikron Elektronik Gmbh & Co. Kg | Leistungshalbleitermodul mit segmentierter Grundplatte |
JP4760585B2 (ja) * | 2006-07-18 | 2011-08-31 | 三菱電機株式会社 | 電力用半導体装置 |
JP5252819B2 (ja) * | 2007-03-26 | 2013-07-31 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
JP4634498B2 (ja) * | 2008-11-28 | 2011-02-16 | 三菱電機株式会社 | 電力用半導体モジュール |
US9129931B2 (en) * | 2011-03-24 | 2015-09-08 | Mitsubishi Electric Corporation | Power semiconductor module and power unit device |
CN104145333B (zh) * | 2012-04-16 | 2018-02-02 | 富士电机株式会社 | 半导体装置以及半导体装置用冷却器 |
US11239123B2 (en) * | 2013-08-29 | 2022-02-01 | Mitsubishi Electric Corporation | Semiconductor module, semiconductor device, and vehicle |
-
2016
- 2016-02-04 DE DE112016006367.9T patent/DE112016006367B4/de active Active
- 2016-02-04 US US15/778,635 patent/US10438865B2/en active Active
- 2016-02-04 CN CN201680080565.2A patent/CN108604580B/zh active Active
- 2016-02-04 WO PCT/JP2016/053382 patent/WO2017134799A1/ja active Application Filing
- 2016-02-04 JP JP2017565352A patent/JP6362800B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09153574A (ja) * | 1995-11-30 | 1997-06-10 | Mitsubishi Electric Corp | 半導体装置および半導体モジュール |
JP2003007966A (ja) * | 2001-06-19 | 2003-01-10 | Mitsubishi Electric Corp | 半導体装置 |
JP2011009370A (ja) * | 2009-06-24 | 2011-01-13 | Toshiba Corp | 半導体装置の固定具及びその取付構造 |
Also Published As
Publication number | Publication date |
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DE112016006367T5 (de) | 2018-10-18 |
US20180358279A1 (en) | 2018-12-13 |
DE112016006367B4 (de) | 2020-11-19 |
JPWO2017134799A1 (ja) | 2018-04-19 |
US10438865B2 (en) | 2019-10-08 |
JP6362800B2 (ja) | 2018-07-25 |
CN108604580B (zh) | 2021-08-13 |
CN108604580A (zh) | 2018-09-28 |
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