JP7302670B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP7302670B2 JP7302670B2 JP2021555680A JP2021555680A JP7302670B2 JP 7302670 B2 JP7302670 B2 JP 7302670B2 JP 2021555680 A JP2021555680 A JP 2021555680A JP 2021555680 A JP2021555680 A JP 2021555680A JP 7302670 B2 JP7302670 B2 JP 7302670B2
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- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
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- 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
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- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/433—Auxiliary members in containers characterised by their shape, e.g. pistons
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- 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
- H01L23/495—Lead-frames or other flat leads
- H01L23/49541—Geometry of the lead-frame
- H01L23/49562—Geometry of the lead-frame for devices being provided for in H01L29/00
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- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
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- 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
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- H—ELECTRICITY
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—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
- H01L2224/48221—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
- H01L2224/48245—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 metallic
- H01L2224/48247—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 metallic connecting the wire to a bond pad of the item
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- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
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- H01—ELECTRIC ELEMENTS
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- 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
- H01L23/495—Lead-frames or other flat leads
- H01L23/49517—Additional leads
- H01L23/49531—Additional leads the additional leads being a wiring board
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- H01L2924/191—Disposition
- H01L2924/19101—Disposition of discrete passive components
- H01L2924/19107—Disposition of discrete passive components off-chip wires
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Description
4:第1冷却器
5:放熱グリス
6:第2冷却器
7:放熱グリス
10:半導体モジュール
12:半導体素子
14:封止体
20、20A-20E、30:絶縁回路基板
22、32:セラミック基板
24、34:内側導体膜
26、36:外側導体膜
28、38:溝
29:突条
40、42:電力端子
44:信号端子
Claims (9)
- 第1絶縁体基板、
前記第1絶縁体基板の一方の面に設けられた第1内側導体膜、
前記第1内側導体膜に接続された半導体素子、
前記第1内側導体膜及び前記半導体素子を封止する封止体、及び
前記第1絶縁体基板の他方の面に設けられているとともに、前記封止体の第1の面に露出する第1外側導体膜、を有する半導体モジュールと、
前記半導体モジュールの前記第1外側導体膜に、流動性を有するサーマルインターフェースマテリアルを介して隣接配置された第1冷却器と、
を備え、
前記第1絶縁体基板は、セラミック基板であって、前記第1外側導体膜よりも線膨張係数が小さく、
前記第1外側導体膜の前記サーマルインターフェースマテリアルに接触する表面には、少なくとも一つの凹部が設けられており、
前記少なくとも一つの凹部は、前記第1外側導体膜の外周縁に沿って環状に延びる溝と、前記第1外側導体膜の外周縁に向けて放射状に延びる複数の溝と、の少なくとも一方を含み、
前記溝の深さは、前記第1外側導体膜の厚みよりも小さい、
半導体装置。 - 前記凹部は、平面視において、前記半導体素子と重複しない範囲に位置する、請求項1に記載の半導体装置。
- 前記少なくとも一つの凹部は、前記第1外側導体膜の外周縁に沿って環状に延びる溝を含む、請求項1又は2に記載の半導体装置。
- 前記少なくとも一つの凹部は、前記第1外側導体膜の外周縁に向けて放射状に延びる複数の溝を含む、請求項1から3のいずれか一項に記載の半導体装置。
- 前記溝の幅は、深さ方向に沿って徐々に減少している、請求項1から4のいずれか一項に記載の半導体装置。
- 前記第1外側導体膜の前記表面には、少なくとも一つの凸部がさらに設けられている、請求項1から5のいずれか一項に記載の半導体装置。
- 前記凸部は、平面視において、前記半導体素子と重複しない範囲に位置する、請求項6に記載の半導体装置。
- 前記サーマルインターフェースマテリアルは、導電性を有する、請求項1から7のいずれか一項に記載の半導体装置。
- 前記半導体モジュールの第2の面に、流動性を有するサーマルインターフェースマテリアルを介して隣接配置された第2冷却器をさらに備え、
前記半導体モジュールは、
前記半導体素子を介して前記第1絶縁体基板に対向する第2絶縁体基板と、
前記第2絶縁体基板の一方の面に設けられ、前記半導体素子に接続されており、かつ、前記封止体によって封止された第2内側導体膜と、
前記第2絶縁体基板の他方の面に設けられているとともに、前記封止体の前記第2の面に露出する第2外側導体膜と、をさらに有し、
前記第2絶縁体基板は、セラミック基板であって、前記第2外側導体膜よりも線膨張係数が小さく、
前記第2外側導体膜の前記サーマルインターフェースマテリアルに接触する表面には、少なくとも一つの凸部及び/又は少なくとも一つの凹部が設けられている、請求項1から8のいずれか一項に記載の半導体装置。
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PCT/JP2019/044434 WO2021095146A1 (ja) | 2019-11-12 | 2019-11-12 | 半導体装置 |
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JPWO2021095146A1 JPWO2021095146A1 (ja) | 2021-05-20 |
JP7302670B2 true JP7302670B2 (ja) | 2023-07-04 |
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GB2614724B (en) * | 2022-01-13 | 2024-05-08 | Mtal Gmbh | Semiconductor module |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004311905A (ja) | 2003-04-10 | 2004-11-04 | Denso Corp | 半導体モジュール実装構造 |
JP2013138113A (ja) | 2011-12-28 | 2013-07-11 | Toyota Motor Corp | 冷却構造 |
JP2015008245A (ja) | 2013-06-26 | 2015-01-15 | 三菱電機株式会社 | 半導体モジュール |
JP2016054175A (ja) | 2014-09-03 | 2016-04-14 | トヨタ自動車株式会社 | 半導体装置 |
JP2017034167A (ja) | 2015-08-04 | 2017-02-09 | 株式会社日本自動車部品総合研究所 | 半導体装置 |
JP2019067949A (ja) | 2017-10-02 | 2019-04-25 | トヨタ自動車株式会社 | 半導体装置 |
-
2019
- 2019-11-12 JP JP2021555680A patent/JP7302670B2/ja active Active
- 2019-11-12 WO PCT/JP2019/044434 patent/WO2021095146A1/ja active Application Filing
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2022
- 2022-05-10 US US17/740,926 patent/US20220270948A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004311905A (ja) | 2003-04-10 | 2004-11-04 | Denso Corp | 半導体モジュール実装構造 |
JP2013138113A (ja) | 2011-12-28 | 2013-07-11 | Toyota Motor Corp | 冷却構造 |
JP2015008245A (ja) | 2013-06-26 | 2015-01-15 | 三菱電機株式会社 | 半導体モジュール |
JP2016054175A (ja) | 2014-09-03 | 2016-04-14 | トヨタ自動車株式会社 | 半導体装置 |
JP2017034167A (ja) | 2015-08-04 | 2017-02-09 | 株式会社日本自動車部品総合研究所 | 半導体装置 |
JP2019067949A (ja) | 2017-10-02 | 2019-04-25 | トヨタ自動車株式会社 | 半導体装置 |
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US20220270948A1 (en) | 2022-08-25 |
WO2021095146A1 (ja) | 2021-05-20 |
JPWO2021095146A1 (ja) | 2021-05-20 |
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