JP2006080110A - 絶縁ゲート型半導体装置 - Google Patents
絶縁ゲート型半導体装置 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 88
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- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 10
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- 229920005591 polysilicon Polymers 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 4
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- 238000012986 modification Methods 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 210000000746 body region Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]
- H01L29/7393—Insulated gate bipolar mode transistors, i.e. IGBT; IGT; COMFET
- H01L29/7395—Vertical transistors, e.g. vertical IGBT
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- H01L29/7397—Vertical transistors, e.g. vertical IGBT with a non planar surface, e.g. with a non planar gate or with a trench or recess or pillar in the surface of the emitter, base or collector region for improving current density or short circuiting the emitter and base regions and a gate structure lying on a slanted or vertical surface or formed in a groove, e.g. trench gate IGBT
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Abstract
【解決手段】ゲート電極領域と該ゲート電極領域を取り囲む第1の絶縁膜領域とからなる第1の領域と、第1の絶縁膜領域を介してゲート電極領域に対向して配された、チャネル形成領域を含む半導体領域と、第1の絶縁膜領域を介してゲート電極領域に対向して配された半導体領域のうちチャネル形成領域ではない半導体領域に埋め込み形成された、導電体領域と該導電体領域を半導体領域から隔てるための第2の絶縁膜領域とからなる第2の領域とを具備する。
【選択図】図1
Description
Claims (5)
- ゲート電極領域と該ゲート電極領域を取り囲む第1の絶縁膜領域とからなる第1の領域と、
前記第1の絶縁膜領域を介して前記ゲート電極領域に対向して配された、チャネル形成領域を含む半導体領域と、
前記第1の絶縁膜領域を介して前記ゲート電極領域に対向して配された前記半導体領域のうち前記チャネル形成領域ではない半導体領域に埋め込み形成された、導電体領域と該導電体領域を前記半導体領域から隔てるための第2の絶縁膜領域とからなる第2の領域と
を具備することを特徴とする絶縁ゲート型半導体装置。 - 前記第2の領域が、前記半導体領域の溝状除去部位に埋め込み形成されていることを特徴とする請求項1記載の絶縁ゲート型半導体装置。
- 前記第1の領域が、前記半導体領域の溝状除去部位に埋め込み形成され、
前記第2の領域が、少なくとも、前記第1の領域を介して前記半導体領域の前記チャネル形成領域に対向して配されていることを特徴とする請求項2記載の絶縁ゲート型半導体装置。 - 前記導電体領域が、前記チャネル形成領域を流れる電流の出入り口としての高電位側および低電位側の2つの電極のうち、低電位側の電極に電気的に導通していることを特徴とする請求項1記載の絶縁ゲート型半導体装置。
- 前記第2の領域が、前記第2の絶縁膜領域により前記導電体領域が分断されていることを特徴とする請求項1記載の絶縁ゲート半導体装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004259206A JP4959928B2 (ja) | 2004-09-07 | 2004-09-07 | 絶縁ゲート型半導体装置 |
US11/216,014 US7459751B2 (en) | 2004-09-07 | 2005-09-01 | Insulated gate semiconductor device with small feedback capacitance and manufacturing method thereof |
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JP2004259206A JP4959928B2 (ja) | 2004-09-07 | 2004-09-07 | 絶縁ゲート型半導体装置 |
Publications (2)
Publication Number | Publication Date |
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JP2006080110A true JP2006080110A (ja) | 2006-03-23 |
JP4959928B2 JP4959928B2 (ja) | 2012-06-27 |
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JP2004259206A Expired - Lifetime JP4959928B2 (ja) | 2004-09-07 | 2004-09-07 | 絶縁ゲート型半導体装置 |
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JP (1) | JP4959928B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014168171A1 (ja) * | 2013-04-11 | 2014-10-16 | 富士電機株式会社 | 半導体装置および半導体装置の製造方法 |
JP2015170691A (ja) * | 2014-03-06 | 2015-09-28 | 豊田合成株式会社 | 半導体装置およびその製造方法 |
JP2017525139A (ja) * | 2015-04-17 | 2017-08-31 | スー ジョウ オリエンタル セミコンダクター カンパニー リミテッドSu Zhou Oriental Semiconductor Co., Ltd. | スプリットゲート型パワーデバイスの製造方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104854705B (zh) | 2013-05-31 | 2018-01-09 | 富士电机株式会社 | 半导体装置的制造方法 |
WO2016051970A1 (ja) | 2014-09-30 | 2016-04-07 | 富士電機株式会社 | 半導体装置および半導体装置の製造方法 |
CN113178474A (zh) * | 2021-03-02 | 2021-07-27 | 华为技术有限公司 | 半导体器件及其制作方法、及电子设备 |
KR102500888B1 (ko) | 2021-05-31 | 2023-02-17 | 주식회사 키파운드리 | 분할 게이트 전력 모스펫 및 제조 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH06314793A (ja) * | 1993-04-30 | 1994-11-08 | Toshiba Corp | 縦型mosトランジスタの製造方法 |
JPH08274301A (ja) * | 1995-03-31 | 1996-10-18 | Toshiba Corp | 絶縁ゲート型半導体装置 |
JPH11330466A (ja) * | 1998-05-19 | 1999-11-30 | Toshiba Corp | 絶縁ゲート型半導体装置 |
JP2002110984A (ja) * | 2000-06-08 | 2002-04-12 | Siliconix Inc | 高周波mosfet及びその製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3325736B2 (ja) * | 1995-02-09 | 2002-09-17 | 三菱電機株式会社 | 絶縁ゲート型半導体装置 |
DE19743342C2 (de) * | 1997-09-30 | 2002-02-28 | Infineon Technologies Ag | Feldeffekttransistor hoher Packungsdichte und Verfahren zu seiner Herstellung |
US6677641B2 (en) * | 2001-10-17 | 2004-01-13 | Fairchild Semiconductor Corporation | Semiconductor structure with improved smaller forward voltage loss and higher blocking capability |
US6573558B2 (en) * | 2001-09-07 | 2003-06-03 | Power Integrations, Inc. | High-voltage vertical transistor with a multi-layered extended drain structure |
JP2004014547A (ja) * | 2002-06-03 | 2004-01-15 | Toshiba Corp | 半導体装置及び容量調節回路 |
JP4135564B2 (ja) * | 2002-11-12 | 2008-08-20 | 株式会社デンソー | 半導体基板およびその製造方法 |
JP2005340626A (ja) * | 2004-05-28 | 2005-12-08 | Toshiba Corp | 半導体装置 |
-
2004
- 2004-09-07 JP JP2004259206A patent/JP4959928B2/ja not_active Expired - Lifetime
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2005
- 2005-09-01 US US11/216,014 patent/US7459751B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06314793A (ja) * | 1993-04-30 | 1994-11-08 | Toshiba Corp | 縦型mosトランジスタの製造方法 |
JPH08274301A (ja) * | 1995-03-31 | 1996-10-18 | Toshiba Corp | 絶縁ゲート型半導体装置 |
JPH11330466A (ja) * | 1998-05-19 | 1999-11-30 | Toshiba Corp | 絶縁ゲート型半導体装置 |
JP2002110984A (ja) * | 2000-06-08 | 2002-04-12 | Siliconix Inc | 高周波mosfet及びその製造方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014168171A1 (ja) * | 2013-04-11 | 2014-10-16 | 富士電機株式会社 | 半導体装置および半導体装置の製造方法 |
US9673309B2 (en) | 2013-04-11 | 2017-06-06 | Fuji Electric Co., Ltd. | Semiconductor device and method for fabricating semiconductor device |
JP2015170691A (ja) * | 2014-03-06 | 2015-09-28 | 豊田合成株式会社 | 半導体装置およびその製造方法 |
JP2017525139A (ja) * | 2015-04-17 | 2017-08-31 | スー ジョウ オリエンタル セミコンダクター カンパニー リミテッドSu Zhou Oriental Semiconductor Co., Ltd. | スプリットゲート型パワーデバイスの製造方法 |
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JP4959928B2 (ja) | 2012-06-27 |
US20060049456A1 (en) | 2006-03-09 |
US7459751B2 (en) | 2008-12-02 |
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