JP5498662B2 - 半導体装置および半導体装置の製造方法 - Google Patents
半導体装置および半導体装置の製造方法 Download PDFInfo
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- JP5498662B2 JP5498662B2 JP2008082081A JP2008082081A JP5498662B2 JP 5498662 B2 JP5498662 B2 JP 5498662B2 JP 2008082081 A JP2008082081 A JP 2008082081A JP 2008082081 A JP2008082081 A JP 2008082081A JP 5498662 B2 JP5498662 B2 JP 5498662B2
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- H—ELECTRICITY
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- H10D30/00—Field-effect transistors [FET]
- H10D30/40—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels
- H10D30/47—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels having two-dimensional [2D] charge carrier gas channels, e.g. nanoribbon FETs or high electron mobility transistors [HEMT]
- H10D30/471—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT]
- H10D30/475—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having wider bandgap layer formed on top of lower bandgap active layer, e.g. undoped barrier HEMTs such as i-AlGaN/GaN HEMTs
- H10D30/4755—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having wider bandgap layer formed on top of lower bandgap active layer, e.g. undoped barrier HEMTs such as i-AlGaN/GaN HEMTs having wide bandgap charge-carrier supplying layers, e.g. modulation doped HEMTs such as n-AlGaAs/GaAs HEMTs
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/40—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels
- H10D30/47—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels having two-dimensional [2D] charge carrier gas channels, e.g. nanoribbon FETs or high electron mobility transistors [HEMT]
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
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- H10D30/015—Manufacture or treatment of FETs having heterojunction interface channels or heterojunction gate electrodes, e.g. HEMT
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- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/675—Group III-V materials, Group II-VI materials, Group IV-VI materials, selenium or tellurium
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/80—FETs having rectifying junction gate electrodes
- H10D30/87—FETs having Schottky gate electrodes, e.g. metal-semiconductor FETs [MESFET]
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- H—ELECTRICITY
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/013—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator
- H10D64/01358—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being a Group III-V material
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- H—ELECTRICITY
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/691—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator comprising metallic compounds, e.g. metal oxides or metal silicates
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- H—ELECTRICITY
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- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/20—Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/673—Thin-film transistors [TFT] characterised by the electrodes characterised by the shapes, relative sizes or dispositions of the gate electrodes
- H10D30/6733—Multi-gate TFTs
- H10D30/6734—Multi-gate TFTs having gate electrodes arranged on both top and bottom sides of the channel, e.g. dual-gate TFTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/80—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
- H10D62/82—Heterojunctions
- H10D62/824—Heterojunctions comprising only Group III-V materials heterojunctions, e.g. GaN/AlGaN heterojunctions
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- Insulated Gate Type Field-Effect Transistor (AREA)
- Junction Field-Effect Transistors (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Description
不純物をドープしないInP基板の(100)面上にInAlAsを10nm形成した。その後、InAlAs層を選択的に酸化して絶縁膜を形成した。酸化には525℃の処理温度でのウェット法を用いた。絶縁膜上にアルミニウム電極を蒸着法により形成して実験サンプルとした。
102 基板
104 バッファ層
106 第1半導体層
108 第2半導体層
110 酸化層
112 制御電極
114 オーミック層
116 入出力電極
118 開口領域
120 領域
Claims (10)
- InPに格子整合または擬格子整合し、砒素を含まない3−5族化合物の第1半導体層と、
前記第1半導体層に接して形成され、InPに格子整合または擬格子整合する3−5族化合物の第2半導体層と、
前記第2半導体層を覆って形成され、開口部を有するオーミック層と、
前記開口部に露出した前記第2半導体層の部分を、前記第1半導体層に対し選択的に酸化して形成した酸化層と、
前記第1半導体層に形成されるチャネルに電界を加える制御電極と、
を備え、
前記オーミック層に前記開口部を形成する工程の後は、前記第2半導体層をエッチングせずに、前記酸化層が形成された半導体装置。 - 前記酸化層は、前記第1半導体層と前記制御電極との間に形成された制御電極絶縁層である
請求項1に記載の半導体装置。 - 前記酸化層と同一の層に、前記第2半導体層の非酸化部が残存し、
前記オーミック層は、前記第2半導体層の前記非酸化部より上層に形成され、前記酸化層が形成された部分に開口部を有し、
前記オーミック層より上層に形成された、前記チャネルに流れる電流を供給する一対の入出力電極を更に備えた請求項1または請求項2に記載の半導体装置。 - 前記制御電極は、前記開口部の内部の前記酸化層の上に形成された、
請求項3に記載の半導体装置。 - 前記オーミック層は、InPに格子整合または擬格子整合する、アルミニウムを含まない3−5族化合物半導体層である、
請求項3または請求項4に記載の半導体装置。 - 前記オーミック層は、p形またはn形にドープされている、
請求項5に記載の半導体装置。 - InPに格子整合または擬格子整合し、砒素を含まない3−5族化合物の第1半導体層と、前記第1半導体層に接して形成され、InPに格子整合または擬格子整合する3−5族化合物の第2半導体層と、を有する半導体基板を準備する基板準備段階と、
前記第2半導体層を覆うオーミック層を形成する段階と、
前記オーミック層に開口部を形成して、前記開口部の底面に前記第2半導体層を露出する段階と、
前記開口部を形成して第2半導体層を露出する段階の後は、前記第2半導体層をエッチングせずに、前記第2半導体層を前記第1半導体層に対して選択的に酸化して酸化層を形成する酸化段階と、
前記酸化段階で形成した前記酸化層より上層に制御電極を形成する制御電極形成段階と、
を備えた半導体装置の製造方法。 - 前記酸化段階は、前記オーミック層をマスクとして前記開口部に露出した前記第2半導体層を酸化雰囲気に曝露することにより、前記酸化層を前記マスクに自己整合的に形成する段階である、
請求項7に記載の半導体装置の製造方法。 - 前記オーミック層は、InPに格子整合または擬格子整合する、アルミニウムを含まない3−5族化合物のp形半導体層またはn形半導体層である、
請求項7または8に記載の半導体装置の製造方法。 - 前記酸化段階は、ウェット酸化法により前記酸化層を形成する段階である、
請求項7から請求項9の何れか一項に記載の半導体装置の製造方法。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008082081A JP5498662B2 (ja) | 2008-03-26 | 2008-03-26 | 半導体装置および半導体装置の製造方法 |
| US12/934,233 US8431459B2 (en) | 2008-03-26 | 2009-03-26 | Semiconductor wafer, semiconductor device, and method of manufacturing a semiconductor device |
| TW098110343A TWI449107B (zh) | 2008-03-26 | 2009-03-26 | 半導體裝置,及半導體裝置之製造方法 |
| CN2009801074122A CN101960605A (zh) | 2008-03-26 | 2009-03-26 | 半导体基板、半导体装置、及半导体装置的制造方法 |
| KR1020107019359A KR101523409B1 (ko) | 2008-03-26 | 2009-03-26 | 반도체 기판, 반도체 장치 및 반도체 장치의 제조 방법 |
| PCT/JP2009/001375 WO2009119103A1 (ja) | 2008-03-26 | 2009-03-26 | 半導体基板、半導体装置、および半導体装置の製造方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008082081A JP5498662B2 (ja) | 2008-03-26 | 2008-03-26 | 半導体装置および半導体装置の製造方法 |
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| Publication Number | Publication Date |
|---|---|
| JP2009238955A JP2009238955A (ja) | 2009-10-15 |
| JP5498662B2 true JP5498662B2 (ja) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2008082081A Expired - Fee Related JP5498662B2 (ja) | 2008-03-26 | 2008-03-26 | 半導体装置および半導体装置の製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8431459B2 (ja) |
| JP (1) | JP5498662B2 (ja) |
| KR (1) | KR101523409B1 (ja) |
| CN (1) | CN101960605A (ja) |
| TW (1) | TWI449107B (ja) |
| WO (1) | WO2009119103A1 (ja) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5498662B2 (ja) * | 2008-03-26 | 2014-05-21 | 国立大学法人 東京大学 | 半導体装置および半導体装置の製造方法 |
| KR101048987B1 (ko) * | 2009-12-10 | 2011-07-12 | 삼성모바일디스플레이주식회사 | 평판 표시 장치 및 그의 제조 방법 |
| KR101680767B1 (ko) * | 2010-10-06 | 2016-11-30 | 삼성전자주식회사 | 불순물 주입을 이용한 고출력 고 전자 이동도 트랜지스터 제조방법 |
| JP2012195579A (ja) | 2011-03-02 | 2012-10-11 | Sumitomo Chemical Co Ltd | 半導体基板、電界効果トランジスタ、半導体基板の製造方法および電界効果トランジスタの製造方法 |
| TWI550828B (zh) * | 2011-06-10 | 2016-09-21 | 住友化學股份有限公司 | 半導體裝置、半導體基板、半導體基板之製造方法及半導體裝置之製造方法 |
| JP2013131650A (ja) * | 2011-12-21 | 2013-07-04 | Fujitsu Ltd | 半導体装置及びその製造方法 |
| GB201212878D0 (en) | 2012-07-20 | 2012-09-05 | Pike Justin | Authentication method and system |
| CN103354243B (zh) * | 2013-06-28 | 2016-01-06 | 京东方科技集团股份有限公司 | 一种薄膜晶体管、其制备方法及相关装置 |
| JP6039591B2 (ja) * | 2014-01-16 | 2016-12-07 | 日本電信電話株式会社 | 酸化アルミニウム薄膜の形成方法 |
| US9865688B2 (en) | 2014-03-14 | 2018-01-09 | International Business Machines Corporation | Device isolation using preferential oxidation of the bulk substrate |
| GB201520741D0 (en) | 2015-05-27 | 2016-01-06 | Mypinpad Ltd And Licentia Group Ltd | Authentication methods and systems |
| US10424670B2 (en) | 2016-12-30 | 2019-09-24 | Intel Corporation | Display panel with reduced power consumption |
| US10431695B2 (en) | 2017-12-20 | 2019-10-01 | Micron Technology, Inc. | Transistors comprising at lease one of GaP, GaN, and GaAs |
| US10825816B2 (en) | 2017-12-28 | 2020-11-03 | Micron Technology, Inc. | Recessed access devices and DRAM constructions |
| US10319586B1 (en) | 2018-01-02 | 2019-06-11 | Micron Technology, Inc. | Methods comprising an atomic layer deposition sequence |
| US10734527B2 (en) | 2018-02-06 | 2020-08-04 | Micron Technology, Inc. | Transistors comprising a pair of source/drain regions having a channel there-between |
| US11038027B2 (en) | 2019-03-06 | 2021-06-15 | Micron Technology, Inc. | Integrated assemblies having polycrystalline first semiconductor material adjacent conductively-doped second semiconductor material |
| GB201916441D0 (en) | 2019-11-12 | 2019-12-25 | Mypinpad Ltd | Computer-implemented system and method |
| CN116544315B (zh) * | 2023-07-06 | 2023-09-15 | 苏州焜原光电有限公司 | 一种蓝宝石衬底分子束外延红外探测器材料制备方法 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4622114A (en) * | 1984-12-20 | 1986-11-11 | At&T Bell Laboratories | Process of producing devices with photoelectrochemically produced gratings |
| US6326650B1 (en) * | 1995-08-03 | 2001-12-04 | Jeremy Allam | Method of forming a semiconductor structure |
| US5726462A (en) * | 1996-02-07 | 1998-03-10 | Sandia Corporation | Semiconductor structures having electrically insulating and conducting portions formed from an AlSb-alloy layer |
| JP2000349393A (ja) * | 1999-03-26 | 2000-12-15 | Fuji Xerox Co Ltd | 半導体デバイス、面発光型半導体レーザ、及び端面発光型半導体レーザ |
| US6407407B1 (en) * | 1999-05-05 | 2002-06-18 | The United States Of America As Represented By The Director Of The National Security Agency | Ridge laser with oxidized strain-compensated superlattice of group III-V semiconductor |
| US6493366B1 (en) * | 1999-05-05 | 2002-12-10 | The United States Of America As Represented By The National Security Agency | Vertical cavity surface emitting laser with oxidized strain-compensated superlattice of group III-V semiconductor |
| JP2001044417A (ja) * | 1999-07-26 | 2001-02-16 | Fujitsu Ltd | 半導体装置 |
| JP2001102691A (ja) | 1999-10-01 | 2001-04-13 | Nec Corp | 半導体レーザ及び半導体層の酸化方法 |
| US6647041B1 (en) * | 2000-05-26 | 2003-11-11 | Finisar Corporation | Electrically pumped vertical optical cavity with improved electrical performance |
| US6992319B2 (en) * | 2000-07-18 | 2006-01-31 | Epitaxial Technologies | Ultra-linear multi-channel field effect transistor |
| US6610612B2 (en) * | 2000-12-13 | 2003-08-26 | The University Of Maryland | Method of efficient controllable and repeatable wet oxidation in a phosphorous-rich III-V material system |
| JP2004031861A (ja) * | 2002-06-28 | 2004-01-29 | Matsushita Electric Ind Co Ltd | 半導体装置 |
| JP2004128415A (ja) * | 2002-10-07 | 2004-04-22 | Toshiba Corp | トランジスタ、ウェーハ、トランジスタの製造方法、ウェーハの製造方法および半導体層の形成方法 |
| US6831309B2 (en) * | 2002-12-18 | 2004-12-14 | Agilent Technologies, Inc. | Unipolar photodiode having a schottky junction contact |
| US20050243889A1 (en) * | 2004-04-30 | 2005-11-03 | Honeywell International Inc. | Digital alloy oxidation layers |
| US20050243881A1 (en) * | 2004-04-30 | 2005-11-03 | Hoki Kwon | InAlAs having enhanced oxidation rate grown under very low V/III ratio |
| JP2008258563A (ja) * | 2007-03-12 | 2008-10-23 | Sony Corp | 半導体装置の製造方法、半導体装置および電子機器 |
| US8329541B2 (en) * | 2007-06-15 | 2012-12-11 | Taiwan Semiconductor Manufacturing Company, Ltd. | InP-based transistor fabrication |
| JP5498662B2 (ja) * | 2008-03-26 | 2014-05-21 | 国立大学法人 東京大学 | 半導体装置および半導体装置の製造方法 |
| JP5233535B2 (ja) * | 2008-09-11 | 2013-07-10 | 住友電気工業株式会社 | 撮像装置、視界支援装置、暗視装置、航海支援装置および監視装置 |
| CN102498542B (zh) * | 2009-09-04 | 2016-05-11 | 住友化学株式会社 | 半导体基板、场效应晶体管、集成电路和半导体基板的制造方法 |
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2008
- 2008-03-26 JP JP2008082081A patent/JP5498662B2/ja not_active Expired - Fee Related
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2009
- 2009-03-26 TW TW098110343A patent/TWI449107B/zh not_active IP Right Cessation
- 2009-03-26 WO PCT/JP2009/001375 patent/WO2009119103A1/ja not_active Ceased
- 2009-03-26 CN CN2009801074122A patent/CN101960605A/zh active Pending
- 2009-03-26 KR KR1020107019359A patent/KR101523409B1/ko not_active Expired - Fee Related
- 2009-03-26 US US12/934,233 patent/US8431459B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TW200949945A (en) | 2009-12-01 |
| JP2009238955A (ja) | 2009-10-15 |
| US20110018033A1 (en) | 2011-01-27 |
| CN101960605A (zh) | 2011-01-26 |
| KR20100126719A (ko) | 2010-12-02 |
| US8431459B2 (en) | 2013-04-30 |
| WO2009119103A1 (ja) | 2009-10-01 |
| TWI449107B (zh) | 2014-08-11 |
| KR101523409B1 (ko) | 2015-05-27 |
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