JP7116640B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP7116640B2 JP7116640B2 JP2018167731A JP2018167731A JP7116640B2 JP 7116640 B2 JP7116640 B2 JP 7116640B2 JP 2018167731 A JP2018167731 A JP 2018167731A JP 2018167731 A JP2018167731 A JP 2018167731A JP 7116640 B2 JP7116640 B2 JP 7116640B2
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- 239000004065 semiconductor Substances 0.000 title claims description 159
- 239000002184 metal Substances 0.000 claims description 53
- 229910052751 metal Inorganic materials 0.000 claims description 53
- 239000000758 substrate Substances 0.000 claims description 40
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- JVPLOXQKFGYFMN-UHFFFAOYSA-N gold tin Chemical compound [Sn].[Au] JVPLOXQKFGYFMN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- UGACIEPFGXRWCH-UHFFFAOYSA-N [Si].[Ti] Chemical compound [Si].[Ti] UGACIEPFGXRWCH-UHFFFAOYSA-N 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 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
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7813—Vertical DMOS transistors, i.e. VDMOS transistors with trench gate electrode, e.g. UMOS transistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823487—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of vertical transistor structures, i.e. with channel vertical to the substrate surface
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- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/085—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
- H01L27/088—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
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- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1203—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body the substrate comprising an insulating body on a semiconductor body, e.g. SOI
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41741—Source or drain electrodes for field effect devices for vertical or pseudo-vertical devices
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42356—Disposition, e.g. buried gate electrode
- H01L29/4236—Disposition, e.g. buried gate electrode within a trench, e.g. trench gate electrode, groove gate electrode
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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
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7812—Vertical DMOS transistors, i.e. VDMOS transistors with a substrate comprising an insulating layer, e.g. SOI-VDMOS transistors
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- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823475—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type interconnection or wiring or contact manufacturing related aspects
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
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Description
Claims (7)
- 半導体基板と、
第1導電形の第1半導体層を含み、前記半導体基板と同じ材料を含む半導体部と、
前記半導体基板と前記半導体部との間に設けられた誘電体膜と、
前記誘電体膜と前記半導体部との間に設けられた金属接合層と、
前記半導体部の前記金属接合層とは反対側の表面上に設けられた第1電極と、
前記半導体部の前記表面上に設けられ、前記第1電極から離間して配置された第2電極と、
前記半導体部と前記第1電極との間に設けられた第1制御電極と、
前記半導体部と前記第2電極との間に設けられた第2制御電極と、
を備え、
前記半導体部は、前記第1半導体層と前記第1電極との間に設けられた第2導電形の第2半導体層と、前記第2半導体層と前記第1電極との間に選択的に設けられた第1導電形の第3半導体層と、前記第1半導体層と前記第2電極との間に設けられた第2導電形の第4半導体層と、前記第4半導体層と前記第2電極との間に選択的に設けられた第1導電形の第5半導体層と、を含み、
前記第1制御電極は、前記第1半導体層、前記第2半導体層および前記第3半導体層と第1絶縁膜を介して向き合うように配置され、前記第1電極から第2絶縁膜により電気的に絶縁され、
前記第2制御電極は、前記第1半導体層、前記第4半導体層および前記第5半導体層と第3絶縁膜を介して向き合うように配置され、前記第2電極から第4絶縁膜により電気的に絶縁された半導体装置。 - 前記第1制御電極および前記第2制御電極は、前記半導体部の表面側に設けられたトレンチの内部に配置される請求項1記載の半導体装置。
- 前記半導体部は、前記第1半導体層と前記金属接合層との間に設けられ、前記第1半導体層の第1導電形不純物よりも高濃度の第1導電形不純物を含む第1導電形の第6半導体層をさらに備え、
前記金属接合層は、前記第6半導体層に電気的に接続される請求項1または2に記載の半導体装置。 - 前記第1電極は、前記第2半導体層および前記第3半導体層に電気的に接続され、
前記第2電極は、前記第4半導体層および前記第5半導体層に電気的に接続される請求項1~3のいずれか1つに記載の半導体装置。 - 前記誘電体膜は、酸化シリコンを含む請求項1~4のいずれか1つに記載の半導体装置。
- 前記半導体部と前記金属接合層との間に設けられ、前記半導体部に接するコンタクト層をさらに備え、
前記コンタクト層は、チタニウム、ニッケル、金の積層構造を含む請求項1~5のいずれか1つに記載の半導体装置。 - 前記金属接合層は、ハンダ材もしくは金錫を含む請求項1~6のいずれか1つに記載の半導体装置。
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JP2018167731A JP7116640B2 (ja) | 2018-09-07 | 2018-09-07 | 半導体装置 |
US16/234,679 US10727332B2 (en) | 2018-09-07 | 2018-12-28 | Semiconductor device |
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JP7343427B2 (ja) * | 2020-03-16 | 2023-09-12 | 株式会社東芝 | 半導体装置 |
JP7509711B2 (ja) * | 2021-03-23 | 2024-07-02 | 株式会社東芝 | 半導体装置 |
WO2024157765A1 (ja) * | 2023-01-23 | 2024-08-02 | ヌヴォトンテクノロジージャパン株式会社 | 半導体装置 |
Citations (3)
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JP2005217012A (ja) | 2004-01-28 | 2005-08-11 | Shindengen Electric Mfg Co Ltd | 半導体装置及びその製造方法 |
JP2016004877A (ja) | 2014-06-16 | 2016-01-12 | ルネサスエレクトロニクス株式会社 | 半導体装置および電子装置 |
WO2018123799A1 (ja) | 2016-12-27 | 2018-07-05 | パナソニックIpマネジメント株式会社 | 半導体装置 |
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JPH04192368A (ja) * | 1990-11-23 | 1992-07-10 | Sony Corp | 縦チャンネルfet |
JP4067159B2 (ja) | 1997-12-01 | 2008-03-26 | 新電元工業株式会社 | 半導体装置および半導体装置の製造方法 |
KR100861213B1 (ko) | 2007-04-17 | 2008-09-30 | 동부일렉트로닉스 주식회사 | 반도체 소자 및 그 제조방법 |
JP5949121B2 (ja) | 2012-05-10 | 2016-07-06 | 三菱電機株式会社 | 半導体装置 |
US10032766B2 (en) * | 2016-09-16 | 2018-07-24 | Globalfoundries Singapore Pte. Ltd. | VDMOS transistors, BCD devices including VDMOS transistors, and methods for fabricating integrated circuits with such devices |
KR102163602B1 (ko) * | 2017-07-13 | 2020-10-12 | 매그나칩 반도체 유한회사 | 실리콘-전도층-실리콘 스택 구조의 반도체 소자 |
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JP2005217012A (ja) | 2004-01-28 | 2005-08-11 | Shindengen Electric Mfg Co Ltd | 半導体装置及びその製造方法 |
JP2016004877A (ja) | 2014-06-16 | 2016-01-12 | ルネサスエレクトロニクス株式会社 | 半導体装置および電子装置 |
WO2018123799A1 (ja) | 2016-12-27 | 2018-07-05 | パナソニックIpマネジメント株式会社 | 半導体装置 |
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