JP6815207B2 - パワー半導体装置及びその製造方法 - Google Patents
パワー半導体装置及びその製造方法 Download PDFInfo
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- JP6815207B2 JP6815207B2 JP2017007163A JP2017007163A JP6815207B2 JP 6815207 B2 JP6815207 B2 JP 6815207B2 JP 2017007163 A JP2017007163 A JP 2017007163A JP 2017007163 A JP2017007163 A JP 2017007163A JP 6815207 B2 JP6815207 B2 JP 6815207B2
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- insulating sheet
- power semiconductor
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- semiconductor device
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/10—Arrangements for heating
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W40/00—Arrangements for thermal protection or thermal control
- H10W40/20—Arrangements for cooling
- H10W40/25—Arrangements for cooling characterised by their materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
- H10W72/07351—Connecting or disconnecting of die-attach connectors characterised by changes in properties of the die-attach connectors during connecting
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/30—Die-attach connectors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W74/00—Encapsulations, e.g. protective coatings
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
- H10W90/756—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked lead frame, conducting package substrate or heat sink
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Description
実施例と図1に示した比較例のパワー半導体装置とを比較することにより本実施形態の効果を検証した。具体的には、パワー半導体装置100の温度サイクル試験(ΔT=165度)を実施し、所定サイクル毎の部分放電試験を実施することで評価した。
Claims (4)
- パワー半導体素子を有する回路体と、
前記回路体と対向する冷却体と、
粒径が10μmよりも大きい大径フィラーと該大径フィラーよりも粒径が小さい小径フィラーとを含む無機フィラーが樹脂中に分散含有され、前記回路体と前記冷却体の間の空間に配置された絶縁シートと、
前記回路体と前記冷却体と前記絶縁シートに接する被覆材と、を備え、
前記回路体と前記絶縁シートとの接触面の直角方向から見た場合、前記絶縁シートは前記回路体と前記冷却体よりも小さく形成された辺を有し、
前記絶縁シートの前記辺は、前記大径フィラーが分布している部分において前記接触面に沿う方向へ陥没する凹部が形成され、前記被覆材が噛み込まれるような凹凸型に形成されるパワー半導体装置。 - 請求項1に記載のパワー半導体装置において、
前記回路体と前記絶縁シートとの接触面の直角方向から見た場合、前記絶縁シートは前記回路体の導体板よりも大きく形成された辺を有しているパワー半導体装置。 - 請求項1または2に記載のパワー半導体装置において、
前記小径フィラーは、少なくとも粒径が前記大径フィラーの半分以下であるパワー半導体装置。 - 粒径が10μmよりも大きい大径フィラーと該大径フィラーよりも粒径が小さい小径フィラーとを含む無機フィラーを樹脂中に分散含有させた絶縁シートを、パワー半導体素子を有する回路体と冷却体により挟む第1工程と、
未硬化状態の前記絶縁シートに熱を加えて当該絶縁シートを構成する樹脂の粘度を低下させた状態で、前記回路体又は前記冷却体を加圧することで、前記大径フィラーが分布している部分の間から当該樹脂と前記小径フィラーを流し出すことで前記絶縁シートの辺に凹凸型を形成する第2工程と、
前記絶縁シートの前記凹凸型に被覆材を充填する第3工程と、を備えるパワー半導体装置の製造方法。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017007163A JP6815207B2 (ja) | 2017-01-19 | 2017-01-19 | パワー半導体装置及びその製造方法 |
| PCT/JP2017/045675 WO2018135221A1 (ja) | 2017-01-19 | 2017-12-20 | パワー半導体装置及びその製造方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017007163A JP6815207B2 (ja) | 2017-01-19 | 2017-01-19 | パワー半導体装置及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2018117055A JP2018117055A (ja) | 2018-07-26 |
| JP6815207B2 true JP6815207B2 (ja) | 2021-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2017007163A Active JP6815207B2 (ja) | 2017-01-19 | 2017-01-19 | パワー半導体装置及びその製造方法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6815207B2 (ja) |
| WO (1) | WO2018135221A1 (ja) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4904104B2 (ja) * | 2006-07-19 | 2012-03-28 | 三菱電機株式会社 | 半導体装置 |
| JP5953152B2 (ja) * | 2012-07-20 | 2016-07-20 | 日立オートモティブシステムズ株式会社 | パワー半導体モジュール及びそれを用いた電力変換装置 |
| JP5975866B2 (ja) * | 2012-12-21 | 2016-08-23 | 三菱電機株式会社 | 電力用半導体装置 |
| JP6286320B2 (ja) * | 2014-08-07 | 2018-02-28 | 日立オートモティブシステムズ株式会社 | パワーモジュール |
| CN108431950B (zh) * | 2015-12-25 | 2021-06-29 | 三菱电机株式会社 | 半导体装置及其制造方法 |
| JP2017135310A (ja) * | 2016-01-29 | 2017-08-03 | サンケン電気株式会社 | 半導体装置 |
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2017
- 2017-01-19 JP JP2017007163A patent/JP6815207B2/ja active Active
- 2017-12-20 WO PCT/JP2017/045675 patent/WO2018135221A1/ja not_active Ceased
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| Publication number | Publication date |
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| JP2018117055A (ja) | 2018-07-26 |
| WO2018135221A1 (ja) | 2018-07-26 |
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