JP5780613B2 - 改良された接着力を有する半導体デバイス及びその製造方法 - Google Patents
改良された接着力を有する半導体デバイス及びその製造方法 Download PDFInfo
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- 229910002601 GaN Inorganic materials 0.000 claims description 26
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 25
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 21
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- 229910052737 gold Inorganic materials 0.000 claims description 8
- 239000010931 gold Substances 0.000 claims description 8
- 229910052741 iridium Inorganic materials 0.000 claims description 8
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 5
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 claims description 3
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- 229910052581 Si3N4 Inorganic materials 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000000206 photolithography Methods 0.000 description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
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- 229910052759 nickel Inorganic materials 0.000 description 4
- 230000006911 nucleation Effects 0.000 description 4
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- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- -1 region Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
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- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
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- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
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- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
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- 238000005229 chemical vapour deposition Methods 0.000 description 1
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- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
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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
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
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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
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
- H01L29/7786—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with direct single heterostructure, i.e. with wide bandgap layer formed on top of active layer, e.g. direct single heterostructure MIS-like HEMT
- H01L29/7787—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with direct single heterostructure, i.e. with wide bandgap layer formed on top of active layer, e.g. direct single heterostructure MIS-like HEMT with wide bandgap charge-carrier supplying layer, e.g. direct single heterostructure MODFET
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- 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
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- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
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- H01L29/0642—Isolation within the component, i.e. internal isolation
- H01L29/0649—Dielectric regions, e.g. SiO2 regions, air gaps
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
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- 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
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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66446—Unipolar field-effect transistors with an active layer made of a group 13/15 material, e.g. group 13/15 velocity modulation transistor [VMT], group 13/15 negative resistance FET [NERFET]
- H01L29/66462—Unipolar field-effect transistors with an active layer made of a group 13/15 material, e.g. group 13/15 velocity modulation transistor [VMT], group 13/15 negative resistance FET [NERFET] with a heterojunction interface channel or gate, e.g. HFET, HIGFET, SISFET, HJFET, HEMT
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- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
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- Junction Field-Effect Transistors (AREA)
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Description
410 基板
420 チャンネル層
430 障壁層
432 ソース領域
434 ドレイン領域
Claims (5)
- 広バンドギャップ窒化ガリウムベース高電子移動度トランジスタであって、
基板と、
前記基板上の窒化ガリウムベースの広バンドギャップ半導体チャンネル層と、
前記広バンドギャップ半導体チャンネル層上の上面及び平坦底面を有する広バンドギャップ半導体障壁層と、
前記広バンドギャップ半導体障壁層の前記上面の又は上面上の複数の凹部と、
ソース接点と、
ドレイン接点と、
前記広バンドギャップ半導体障壁層上の金属ゲート電極であって、前記ソース接点と前記ドレイン接点の間にある第1の領域に配置される前記金属ゲート電極と、
前記凹部内にあり、かつ該凹部の間にある前記広バンドギャップ半導体障壁層の前記上面の各部分上にある金属ゲート接点であって、前記金属ゲート電極の第1の端部に接続され、前記金属ゲート電極の最大幅を超える最大幅を有する前記金属ゲート接点と、
前記広バンドギャップ半導体障壁層上にあり、かつ前記金属ゲート接点の下にある保護層と
を含み、
前記金属ゲート接点の下面が、下にある前記広バンドギャップ半導体障壁層に直接接触する1つ又はそれ以上の突起を有し、
前記広バンドギャップ半導体障壁層の上面が、前記金属ゲート電極の下で平坦であり、
前記金属ゲート接点の少なくとも一部が、前記第1の領域の外側に存在し、
前記金属ゲート接点の下の前記保護層は、2次元アレイに配列された複数のスペーサを含み、
前記凹部は、前記スペーサの間に設けられた
ことを特徴とする高電子移動度トランジスタ。 - 前記金属ゲート接点は、
前記広バンドギャップ半導体障壁層上に直接ある高仕事関数障壁金属層と、
前記広バンドギャップ半導体障壁層と反対の位置にある前記障壁金属層上の電流波及層と、
を含むことを特徴とする請求項1に記載の高電子移動度トランジスタ。 - 前記広バンドギャップ半導体チャンネル層は窒化ガリウムを含み、
前記広バンドギャップ半導体障壁層は窒化アルミニウムガリウムを含み、
前記障壁金属層は白金及び/又はイリジウムを含み、前記広バンドギャップ半導体障壁層に直接に接触し、
前記電流波及層は金を含み、前記障壁金属層上に直接存在する、
ことを特徴とする請求項2に記載の高電子移動度トランジスタ。 - 前記複数の凹部は、前記広バンドギャップ半導体障壁層の前記上面に2次元アレイに配列された複数の凹部を含むことを特徴とする請求項1に記載の高電子移動度トランジスタ。
- 前記広バンドギャップ半導体障壁層は、ドープした広バンドギャップ半導体障壁層から構成され、
前記複数の凹部は、前記ドープした広バンドギャップ半導体障壁層を通って該ドープした広バンドギャップ半導体障壁層の底面まで全体には延びない、
ことを特徴とする請求項1に記載の高電子移動度トランジスタ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/769,307 | 2010-04-28 | ||
US12/769,307 US8907350B2 (en) | 2010-04-28 | 2010-04-28 | Semiconductor devices having improved adhesion and methods of fabricating the same |
PCT/US2011/033562 WO2011137040A1 (en) | 2010-04-28 | 2011-04-22 | Semiconductor devices having improved adhesion and methods of fabricating the same |
Publications (2)
Publication Number | Publication Date |
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JP2013527987A JP2013527987A (ja) | 2013-07-04 |
JP5780613B2 true JP5780613B2 (ja) | 2015-09-16 |
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Application Number | Title | Priority Date | Filing Date |
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JP2013508111A Active JP5780613B2 (ja) | 2010-04-28 | 2011-04-22 | 改良された接着力を有する半導体デバイス及びその製造方法 |
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Country | Link |
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US (1) | US8907350B2 (ja) |
EP (1) | EP2564420A4 (ja) |
JP (1) | JP5780613B2 (ja) |
KR (1) | KR101810710B1 (ja) |
CN (1) | CN102947938A (ja) |
WO (1) | WO2011137040A1 (ja) |
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KR20120124101A (ko) * | 2011-05-03 | 2012-11-13 | 삼성전자주식회사 | 고효율 질화계 이종접합 전계효과 트랜지스터 |
WO2012165536A1 (ja) * | 2011-05-31 | 2012-12-06 | 独立行政法人科学技術振興機構 | センサにおける温度補償方法、該温度補償方法の演算プログラム、演算処理装置、及び、センサ |
JP5740356B2 (ja) * | 2012-06-20 | 2015-06-24 | 株式会社東芝 | 半導体装置 |
US9748341B2 (en) * | 2013-07-02 | 2017-08-29 | General Electric Company | Metal-oxide-semiconductor (MOS) devices with increased channel periphery |
CN103618003B (zh) * | 2013-11-18 | 2017-04-12 | 石以瑄 | 具有改良栅极的高电子迁移率晶体管 |
US9837523B2 (en) | 2015-12-23 | 2017-12-05 | Synopsys, Inc. | Tined gate to control threshold voltage in a device formed of materials having piezoelectric properties |
JP2017174964A (ja) * | 2016-03-23 | 2017-09-28 | 株式会社豊田中央研究所 | 半導体装置及びその製造方法 |
CN106024880B (zh) * | 2016-07-04 | 2019-01-15 | 厦门市三安集成电路有限公司 | 一种图形化栅结构的微波晶体管及其制备方法 |
US10026823B1 (en) | 2017-03-08 | 2018-07-17 | Raytheon Company | Schottky contact structure for semiconductor devices and method for forming such schottky contact structure |
DE102017125803B4 (de) * | 2017-11-06 | 2021-04-29 | Institut Für Mikroelektronik Stuttgart | Halbleiterbauelement mit einer Transistorstruktur vom Anreicherungstyp |
JP7019922B2 (ja) * | 2018-06-07 | 2022-02-16 | 住友電工デバイス・イノベーション株式会社 | 半導体装置の製造方法 |
US10847647B2 (en) * | 2019-03-14 | 2020-11-24 | Cree, Inc. | Power semiconductor devices having top-side metallization structures that include buried grain stop layers |
CN111081763B (zh) * | 2019-12-25 | 2021-09-14 | 大连理工大学 | 一种场板下方具有蜂窝凹槽势垒层结构的常关型hemt器件及其制备方法 |
CN115939205B (zh) * | 2023-03-13 | 2023-05-16 | 湖北九峰山实验室 | 一种晶体管及其制作方法 |
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JPS61160978A (ja) * | 1985-01-08 | 1986-07-21 | Nippon Telegr & Teleph Corp <Ntt> | 半導体装置 |
JP2530932B2 (ja) | 1990-04-10 | 1996-09-04 | 松下電子工業株式会社 | 電界効果型トランジスタ及びその製造方法 |
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EP2120266B1 (en) | 2008-05-13 | 2015-10-28 | Imec | Scalable quantum well device and method for manufacturing the same |
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2010
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2011
- 2011-04-22 KR KR1020127029667A patent/KR101810710B1/ko active IP Right Grant
- 2011-04-22 CN CN201180032433XA patent/CN102947938A/zh active Pending
- 2011-04-22 JP JP2013508111A patent/JP5780613B2/ja active Active
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CN102947938A (zh) | 2013-02-27 |
EP2564420A1 (en) | 2013-03-06 |
JP2013527987A (ja) | 2013-07-04 |
EP2564420A4 (en) | 2014-08-13 |
KR20130059345A (ko) | 2013-06-05 |
WO2011137040A1 (en) | 2011-11-03 |
US20110266557A1 (en) | 2011-11-03 |
US8907350B2 (en) | 2014-12-09 |
KR101810710B1 (ko) | 2017-12-19 |
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