JP6526229B2 - パワーモジュール - Google Patents
パワーモジュール Download PDFInfo
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- JP6526229B2 JP6526229B2 JP2017550276A JP2017550276A JP6526229B2 JP 6526229 B2 JP6526229 B2 JP 6526229B2 JP 2017550276 A JP2017550276 A JP 2017550276A JP 2017550276 A JP2017550276 A JP 2017550276A JP 6526229 B2 JP6526229 B2 JP 6526229B2
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- power module
- silicone gel
- insulating substrate
- pressing plate
- temperature
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- 239000000758 substrate Substances 0.000 claims description 77
- 239000004065 semiconductor Substances 0.000 claims description 44
- 238000007789 sealing Methods 0.000 claims description 30
- 229920005989 resin Polymers 0.000 claims description 27
- 239000011347 resin Substances 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 description 135
- 238000009413 insulation Methods 0.000 description 32
- 238000010586 diagram Methods 0.000 description 15
- 229910000679 solder Inorganic materials 0.000 description 11
- 230000008602 contraction Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000004299 exfoliation Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- -1 Poly Butylene Polymers 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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- H—ELECTRICITY
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/02—Containers; Seals
- H01L23/10—Containers; Seals characterised by the material or arrangement of seals between parts, e.g. between cap and base of the container or between leads and walls of the container
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- 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
- H01L23/057—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 the leads being parallel to the base
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- H01L23/18—Fillings characterised by the material, its physical or chemical properties, or its arrangement within the complete device
- H01L23/20—Fillings characterised by the material, its physical or chemical properties, or its arrangement within the complete device gaseous at the normal operating temperature of the device
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- 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
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- H01L25/07—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 the devices being of a type provided for in group H01L29/00
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- H01L25/072—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 the devices being of a type provided for in group H01L29/00 the devices being arranged next to each other
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- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
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- H01L2224/484—Connecting portions
- H01L2224/4847—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a wedge bond
- H01L2224/48472—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a wedge bond the other connecting portion not on the bonding area also being a wedge bond, i.e. wedge-to-wedge
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- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Description
図1は、この発明の実施の形態1におけるパワーモジュールの断面構造模式図である。図において、パワーモジュール100は、ベース板1、絶縁基板2、半導体素子であるパワー半導体素子3、ボンディングワイヤ4、端子5、ケース部材であるケース6、蓋材である蓋7、封止樹脂であるシリコーンゲル8、押さえ板9、離型層である離型処理層10、ハンダ11、ハンダ12を備える。
本実施の形態2は、実施の形態1において、押さえ板9の先端にカギ状突起13を形成したことが異なる。このように押さえ板9の端部に突起13を形成した場合においても、封止樹脂の膨張、収縮に伴う応力変化による気泡や剥離の成長を抑制することができる。その結果、封止樹脂と絶縁基板との剥離が抑制でき、パワーモジュールの絶縁信頼性の向上が可能となる。
本実施の形態3は、実施の形態1において、押さえ板9を離型材料で構成した離型押さえ板14にしたことが異なる。このように、押さえ板9を離型材料を用いて形成した場合においても、封止樹脂の膨張、収縮に伴う応力変化による気泡や剥離の成長を抑制することができる。その結果、封止樹脂と絶縁基板との剥離が抑制でき、パワーモジュールの絶縁信頼性の向上が可能となる。
Claims (6)
- 上面に半導体素子が搭載された絶縁基板と、
前記絶縁基板の下面に接合されたベース板と、
前記絶縁基板を取り囲み、前記ベース板に接着されたケース部材と、
前記ベース板と前記ケース部材とで囲まれた領域に充填され、前記絶縁基板を封止する封止樹脂と、
前記ケース部材の内壁から前記絶縁基板の外周部の上方へ突出して前記内壁に固着され、前記封止樹脂内に封入された押さえ板と、
を備え、
前記押さえ板と前記封止樹脂との密着力は、前記絶縁基板および前記半導体素子と前記封止樹脂との密着力よりも低いことを特徴とするパワーモジュール。 - 前記押さえ板は、前記絶縁基板と対向する面に離型層を設けたことを特徴とする請求項1に記載のパワーモジュール。
- 前記押さえ板は、前記絶縁基板と対向する面の先端に突出部を備えたことを特徴とする請求項1から請求項2のいずれか1項に記載のパワーモジュール。
- 前記押さえ板は、前記封止樹脂との密着力が前記絶縁基板および前記半導体素子と前記封止樹脂との密着力より低い材料を用いたことを特徴とする請求項1から請求項3のいずれか1項に記載のパワーモジュール。
- 前記ケース部材には、端子が設けられ、
前記押さえ板は、前記端子の近傍の前記内壁に固着されたことを特徴とする請求項1から請求項4のいずれか1項に記載のパワーモジュール。 - 前記押さえ板は、前記内壁の全周に固着されたことを特徴とする請求項1から請求項4のいずれか1項に記載のパワーモジュール。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015222109 | 2015-11-12 | ||
JP2015222109 | 2015-11-12 | ||
PCT/JP2016/082465 WO2017082122A1 (ja) | 2015-11-12 | 2016-11-01 | パワーモジュール |
Publications (2)
Publication Number | Publication Date |
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JPWO2017082122A1 JPWO2017082122A1 (ja) | 2018-08-23 |
JP6526229B2 true JP6526229B2 (ja) | 2019-06-05 |
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JP2017550276A Active JP6526229B2 (ja) | 2015-11-12 | 2016-11-01 | パワーモジュール |
Country Status (5)
Country | Link |
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US (1) | US10468315B2 (ja) |
JP (1) | JP6526229B2 (ja) |
CN (1) | CN108292655B (ja) |
DE (1) | DE112016005219B4 (ja) |
WO (1) | WO2017082122A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11348853B2 (en) | 2020-03-23 | 2022-05-31 | Kabushiki Kaisha Toshiba | Semiconductor device |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7247574B2 (ja) * | 2018-12-19 | 2023-03-29 | 富士電機株式会社 | 半導体装置 |
JP7319517B2 (ja) * | 2019-02-06 | 2023-08-02 | 日亜化学工業株式会社 | 発光装置、パッケージ、及び、基部 |
JP7108567B2 (ja) * | 2019-03-20 | 2022-07-28 | 株式会社東芝 | パワーモジュール |
WO2023073831A1 (ja) * | 2021-10-27 | 2023-05-04 | 三菱電機株式会社 | 半導体装置及び半導体装置の製造方法 |
EP4273918A1 (en) * | 2022-05-05 | 2023-11-08 | Infineon Technologies AG | A semiconductor package comprising structures configured to withstand a change of the volume of an potting compound |
FR3140201A1 (fr) * | 2022-09-22 | 2024-03-29 | Arkema France | Appareil électrique comprenant au moins un matériau gélifié |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH02134853A (ja) * | 1988-11-15 | 1990-05-23 | Mitsubishi Electric Corp | 絶縁型半導体装置 |
JPH0464255A (ja) | 1990-07-03 | 1992-02-28 | Mitsubishi Electric Corp | 半導体装置 |
JP2867753B2 (ja) * | 1991-02-25 | 1999-03-10 | 富士電機株式会社 | 半導体装置 |
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JPH10233472A (ja) * | 1997-02-21 | 1998-09-02 | Toshiba Corp | 樹脂封止型半導体装置 |
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JP3518407B2 (ja) | 1999-02-25 | 2004-04-12 | 株式会社デンソー | 半導体装置およびその製造方法 |
US6787893B2 (en) | 2001-01-23 | 2004-09-07 | Mitsubishi Denki Kabushiki Kaisha | Semiconductor device |
JP3788760B2 (ja) * | 2001-11-09 | 2006-06-21 | 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 |
EP2017891A1 (en) | 2007-07-20 | 2009-01-21 | ABB Technology AG | Semiconductor module |
JP2014130875A (ja) | 2012-12-28 | 2014-07-10 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JP6205824B2 (ja) * | 2013-04-26 | 2017-10-04 | 富士電機株式会社 | パワーモジュール |
CN104900546A (zh) * | 2015-05-04 | 2015-09-09 | 嘉兴斯达半导体股份有限公司 | 一种功率模块的封装结构 |
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2016
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US11348853B2 (en) | 2020-03-23 | 2022-05-31 | Kabushiki Kaisha Toshiba | Semiconductor device |
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CN108292655B (zh) | 2021-01-01 |
DE112016005219B4 (de) | 2021-08-26 |
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JPWO2017082122A1 (ja) | 2018-08-23 |
US20180323120A1 (en) | 2018-11-08 |
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US10468315B2 (en) | 2019-11-05 |
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