JP5506036B2 - 半導体トランジスタ - Google Patents
半導体トランジスタ Download PDFInfo
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- JP5506036B2 JP5506036B2 JP2010045547A JP2010045547A JP5506036B2 JP 5506036 B2 JP5506036 B2 JP 5506036B2 JP 2010045547 A JP2010045547 A JP 2010045547A JP 2010045547 A JP2010045547 A JP 2010045547A JP 5506036 B2 JP5506036 B2 JP 5506036B2
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- 239000004065 semiconductor Substances 0.000 title claims description 57
- 150000001875 compounds Chemical class 0.000 claims description 20
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 19
- 229910002601 GaN Inorganic materials 0.000 description 50
- 229910004298 SiO 2 Inorganic materials 0.000 description 30
- 230000001590 oxidative effect Effects 0.000 description 18
- 239000000758 substrate Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 7
- 229920002120 photoresistant polymer Polymers 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 6
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 5
- 229910004205 SiNX Inorganic materials 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 229910052814 silicon oxide Inorganic materials 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004050 hot filament vapor deposition Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910005535 GaOx Inorganic materials 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- 229910004140 HfO Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004544 sputter deposition Methods 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table 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
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28264—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being a III-V compound
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/403—Oxides of aluminium, magnesium or beryllium
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/448—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials
- C23C16/4488—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials by in situ generation of reactive gas by chemical or electrochemical reaction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02178—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing aluminium, e.g. Al2O3
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/02277—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition the reactions being activated by other means than plasma or thermal, e.g. photo-CVD
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/511—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures
- H01L29/513—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures the variation being perpendicular to the channel plane
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/517—Insulating materials associated therewith the insulating material comprising a metallic compound, e.g. metal oxide, metal silicate
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/20—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds
- H01L29/2003—Nitride compounds
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- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Plasma & Fusion (AREA)
- Inorganic Chemistry (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Thin Film Transistor (AREA)
- Formation Of Insulating Films (AREA)
Description
また、GaN系の半導体から成る活性層と、活性層上に形成され、Al 2 O 3 ,Y 2 O 3 から成る群から選択された1つ以上の化合物を含む第1の絶縁膜と、第1の絶縁膜上に形成され、SiO2から成る第2の絶縁膜と、を有するゲート絶縁膜と、を備えることを特徴とする半導体トランジスタを提供する。
2:バッファ層
3:活性層
4,9:フォトレジスト
5s:ソース領域
5d:ドレイン領域
6:アルミナ膜(第1の絶縁膜)
7:シリコン酸化膜(第2の絶縁膜)
8:導電膜
8g:ゲート電極
10s:ソース電極
10d:ドレイン電極
11:半導体トランジスタ
Claims (1)
- GaN系の半導体から成る活性層と、
前記活性層上に形成され、Al 2 O 3 ,Y 2 O 3 から成る群から選択された1つ以上の化合物を含む第1の絶縁膜と、前記第1の絶縁膜上に形成され、SiO2から成る第2の絶縁膜と、を有するゲート絶縁膜と、
を備えることを特徴とする半導体トランジスタ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010045547A JP5506036B2 (ja) | 2010-03-02 | 2010-03-02 | 半導体トランジスタ |
CN201180011856.3A CN102792449B (zh) | 2010-03-02 | 2011-03-02 | 半导体晶体管 |
US13/582,229 US9875899B2 (en) | 2010-03-02 | 2011-03-02 | Semiconductor transistor |
EP11750724.4A EP2544240B1 (en) | 2010-03-02 | 2011-03-02 | Semiconductor transistor |
PCT/JP2011/054815 WO2011108615A1 (ja) | 2010-03-02 | 2011-03-02 | 半導体トランジスタ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010045547A JP5506036B2 (ja) | 2010-03-02 | 2010-03-02 | 半導体トランジスタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011181752A JP2011181752A (ja) | 2011-09-15 |
JP5506036B2 true JP5506036B2 (ja) | 2014-05-28 |
Family
ID=44542262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010045547A Active JP5506036B2 (ja) | 2010-03-02 | 2010-03-02 | 半導体トランジスタ |
Country Status (5)
Country | Link |
---|---|
US (1) | US9875899B2 (ja) |
EP (1) | EP2544240B1 (ja) |
JP (1) | JP5506036B2 (ja) |
CN (1) | CN102792449B (ja) |
WO (1) | WO2011108615A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9548204B2 (en) | 2014-09-04 | 2017-01-17 | Toyoda Gosei Co., Ltd. | Semiconductor device, manufacturing method of the same and method of suppressing decrease of flat band voltage |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102099881B1 (ko) * | 2013-09-03 | 2020-05-15 | 삼성전자 주식회사 | 반도체 소자 및 그 제조 방법 |
JP6337726B2 (ja) | 2014-09-29 | 2018-06-06 | 株式会社デンソー | 半導体装置およびその製造方法 |
JP6657963B2 (ja) * | 2016-01-05 | 2020-03-04 | 富士電機株式会社 | Mosfet |
US10388564B2 (en) * | 2016-01-12 | 2019-08-20 | Micron Technology, Inc. | Method for fabricating a memory device having two contacts |
JP6406274B2 (ja) * | 2016-02-05 | 2018-10-17 | 株式会社デンソー | 半導体装置 |
JP7056408B2 (ja) * | 2017-06-30 | 2022-04-19 | 富士電機株式会社 | 窒化ガリウム系半導体装置および窒化ガリウム系半導体装置の製造方法 |
JP6931572B2 (ja) * | 2017-08-29 | 2021-09-08 | 株式会社アルバック | ゲート絶縁膜の形成方法、および、ゲート絶縁膜 |
CN111052397B (zh) * | 2017-10-31 | 2023-07-14 | 株式会社爱发科 | 薄膜晶体管及其制造方法 |
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JP2001308319A (ja) * | 2000-04-20 | 2001-11-02 | Fujitsu Ltd | 絶縁ゲート型化合物半導体装置 |
JP2002057158A (ja) * | 2000-08-09 | 2002-02-22 | Sony Corp | 絶縁性窒化物層及びその形成方法、半導体装置及びその製造方法 |
US6593193B2 (en) * | 2001-02-27 | 2003-07-15 | Matsushita Electric Industrial Co., Ltd. | Semiconductor device and method for fabricating the same |
US20030129446A1 (en) * | 2001-12-31 | 2003-07-10 | Memscap Le Parc Technologique Des Fontaines | Multilayer structure used especially as a material of high relative permittivity |
US20050258491A1 (en) * | 2004-05-14 | 2005-11-24 | International Business Machines Corporation | Threshold and flatband voltage stabilization layer for field effect transistors with high permittivity gate oxides |
JP4177803B2 (ja) * | 2004-10-21 | 2008-11-05 | 株式会社東芝 | 半導体装置の製造方法 |
JP4823671B2 (ja) | 2005-12-13 | 2011-11-24 | 日本電信電話株式会社 | 窒化物半導体を用いたヘテロ構造電界効果トランジスタ |
JP2008053554A (ja) * | 2006-08-25 | 2008-03-06 | Osaka Univ | 電子デバイスとその製造方法 |
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JP2008306051A (ja) * | 2007-06-08 | 2008-12-18 | Rohm Co Ltd | 半導体装置およびその製造方法 |
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CN100557815C (zh) * | 2008-03-24 | 2009-11-04 | 西安电子科技大学 | InA1N/GaN异质结增强型高电子迁移率晶体管结构及制作方法 |
JP5301208B2 (ja) * | 2008-06-17 | 2013-09-25 | 日本電信電話株式会社 | 半導体装置 |
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JP5839804B2 (ja) * | 2011-01-25 | 2016-01-06 | 国立大学法人東北大学 | 半導体装置の製造方法、および半導体装置 |
-
2010
- 2010-03-02 JP JP2010045547A patent/JP5506036B2/ja active Active
-
2011
- 2011-03-02 WO PCT/JP2011/054815 patent/WO2011108615A1/ja active Application Filing
- 2011-03-02 CN CN201180011856.3A patent/CN102792449B/zh active Active
- 2011-03-02 US US13/582,229 patent/US9875899B2/en active Active
- 2011-03-02 EP EP11750724.4A patent/EP2544240B1/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9548204B2 (en) | 2014-09-04 | 2017-01-17 | Toyoda Gosei Co., Ltd. | Semiconductor device, manufacturing method of the same and method of suppressing decrease of flat band voltage |
Also Published As
Publication number | Publication date |
---|---|
EP2544240A1 (en) | 2013-01-09 |
WO2011108615A1 (ja) | 2011-09-09 |
US9875899B2 (en) | 2018-01-23 |
US20130032819A1 (en) | 2013-02-07 |
EP2544240B1 (en) | 2017-01-11 |
EP2544240A4 (en) | 2013-08-28 |
CN102792449B (zh) | 2016-03-09 |
CN102792449A (zh) | 2012-11-21 |
JP2011181752A (ja) | 2011-09-15 |
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