JP7241649B2 - 半導体装置およびその製造方法 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims description 131
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000002184 metal Substances 0.000 claims description 104
- 229910052751 metal Inorganic materials 0.000 claims description 104
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 13
- 238000007747 plating Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 197
- 238000009792 diffusion process Methods 0.000 description 21
- 239000011229 interlayer Substances 0.000 description 12
- 239000012535 impurity Substances 0.000 description 11
- 239000010936 titanium Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-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
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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- 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
- H01L29/7809—Vertical DMOS transistors, i.e. VDMOS transistors having both source and drain contacts on the same surface, i.e. Up-Drain VDMOS transistors
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- 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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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
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- 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
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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
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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66674—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/66712—Vertical DMOS transistors, i.e. VDMOS transistors
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- 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
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- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
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- H01L29/0692—Surface layout
- H01L29/0696—Surface layout of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
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Description
Claims (5)
- 半導体部と、
前記半導体部の裏面を覆う金属層と、
前記半導体部の表面上に設けられた第1電極と、
前記半導体部の表面上において、前記第1電極から離間して配置された第2電極と、
前記第1電極と前記半導体部との間に設けられた第1制御電極と、
前記第1制御電極を前記半導体部から電気的に絶縁する第1絶縁膜と、
前記第2電極と前記半導体部との間に設けられた第2制御電極と、
前記第2制御電極を前記半導体部から電気的に絶縁する第2絶縁膜と、
前記第1制御電極を前記第1電極から電気的に絶縁し、前記第2制御電極を前記第2電極から電気的に絶縁する第3絶縁膜と、
を備え、
前記半導体部は、第1導電形の第1半導体層と、第2導電形の第2半導体層と、第1導電形の第3半導体層と、第2導電形の第4半導体層と、第1導電形の第5半導体層と、を含み、
前記第1半導体層は、前記金属層と前記第1電極との間、および、前記金属層と前記第2電極との間に位置する部分を含み、
前記第2半導体層は、前記第1半導体層と前記第1電極との間に設けられ、前記第1電極に電気的に接続され、前記第1制御電極に前記第1絶縁膜を介して向き合い、
前記第3半導体層は、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、前記第1電極に電気的に接続され、
前記第4半導体層は、前記第1半導体層と前記第2電極との間に設けられ、前記第2電極に電気的に接続され、前記第2制御電極に前記第2絶縁膜を介して向き合い、
前記第5半導体層は、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、前記第2電極に電気的に接続され、
前記金属層は、前記第1半導体層に電気的に接続された第1層と、前記第1層上において、前記第1層の外縁よりも内側に選択的に設けられ、前記第1層よりも厚い第2層と、前記第1層および前記第2層を覆い、前記第2層よりも薄い第3層と、を含み、
前記第2半導体層は、前記金属層の前記第2層と、前記第1電極との間に位置し、
前記第4半導体層は、前記金属層の前記第2層と、前記第2電極との間に位置した半導体装置。 - 前記金属層は、前記第2層の外縁に沿って設けられ、前記第1層と前記第2層との間に位置するスペースを有する請求項1記載の半導体装置。
- 前記金属層の前記第1層および前記第2層は、銀を含み、前記第3層は、ニッケルを含む請求項1または2に記載の半導体装置。
- 請求項1に記載の半導体装置の製造方法であって、
前記半導体部の裏面上に、前記金属層の前記第1層を形成する工程と、
前記第1層を選択的に覆うマスク層を形成する工程と、
前記マスク層を用いて、前記第1層上に前記第2層を選択的に形成する工程と、
前記マスク層を除去した後、前記第1層および前記第2層を覆い、前記第2層よりも薄い膜厚を有する第3層を形成する工程と、
を備え、
前記マスク層に覆われる前記第1層の領域は、前記第1層の前記外縁と前記第2層の外縁との間に位置する半導体装置の製造方法。 - 前記第2層は、前記第1層上にメッキ法を用いて選択的に形成される請求項4記載の製造方法。
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JP2019163009A JP7241649B2 (ja) | 2019-09-06 | 2019-09-06 | 半導体装置およびその製造方法 |
CN202010106492.8A CN112466946B (zh) | 2019-09-06 | 2020-02-21 | 半导体装置及其制造方法 |
US16/808,584 US11217688B2 (en) | 2019-09-06 | 2020-03-04 | Semiconductor device and method for manufacturing same |
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CN113396475B (zh) * | 2019-10-21 | 2022-04-15 | 新唐科技日本株式会社 | 半导体装置及单片化方法 |
JP7343427B2 (ja) * | 2020-03-16 | 2023-09-12 | 株式会社東芝 | 半導体装置 |
JP7470070B2 (ja) * | 2021-02-18 | 2024-04-17 | 株式会社東芝 | 半導体装置 |
US11610817B2 (en) * | 2021-03-19 | 2023-03-21 | Infineon Technologies Austria Ag | Method of processing a semiconductor wafer, semiconductor wafer, and semiconductor die produced from a semiconductor wafer |
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JP2003101025A (ja) | 2001-09-26 | 2003-04-04 | Toshiba Corp | 半導体装置 |
JP2008098529A (ja) | 2006-10-13 | 2008-04-24 | Toshiba Corp | 半導体装置及びその製造方法 |
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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FR2048038B1 (ja) * | 1969-06-30 | 1974-05-03 | Ibm | |
JPS51428B1 (ja) * | 1974-04-17 | 1976-01-08 | ||
JP2754693B2 (ja) * | 1989-03-31 | 1998-05-20 | 日本電気株式会社 | メッキ電極の製造方法 |
JPH03177048A (ja) * | 1989-12-05 | 1991-08-01 | Toshiba Corp | 半導体装置及びその製造方法 |
JP2000082810A (ja) * | 1998-09-07 | 2000-03-21 | Fuji Electric Co Ltd | 炭化けい素トレンチ型mos半導体素子の製造方法および炭化けい素トレンチ型mos半導体素子 |
JP2010062477A (ja) * | 2008-09-05 | 2010-03-18 | Rohm Co Ltd | トレンチ型半導体装置及びその製造方法 |
JP5483906B2 (ja) | 2009-03-04 | 2014-05-07 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
US8653533B2 (en) * | 2009-09-07 | 2014-02-18 | Rohm Co., Ltd. | Semiconductor device and method of manufacturing the same |
JP5649322B2 (ja) | 2010-04-12 | 2015-01-07 | 三菱電機株式会社 | 半導体装置および半導体装置の製造方法 |
CN107533963A (zh) | 2015-04-20 | 2018-01-02 | 三菱电机株式会社 | 半导体装置的制造方法 |
JP7067021B2 (ja) * | 2017-11-07 | 2022-05-16 | 富士電機株式会社 | 絶縁ゲート型半導体装置及びその製造方法 |
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JP2003101025A (ja) | 2001-09-26 | 2003-04-04 | Toshiba Corp | 半導体装置 |
JP2008098529A (ja) | 2006-10-13 | 2008-04-24 | Toshiba Corp | 半導体装置及びその製造方法 |
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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US11217688B2 (en) | 2022-01-04 |
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JP2021044287A (ja) | 2021-03-18 |
CN112466946A (zh) | 2021-03-09 |
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