JP2013518436A - 低リークganmosfet - Google Patents
低リークganmosfet Download PDFInfo
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- JP2013518436A JP2013518436A JP2012551188A JP2012551188A JP2013518436A JP 2013518436 A JP2013518436 A JP 2013518436A JP 2012551188 A JP2012551188 A JP 2012551188A JP 2012551188 A JP2012551188 A JP 2012551188A JP 2013518436 A JP2013518436 A JP 2013518436A
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- 230000004888 barrier function Effects 0.000 claims abstract description 86
- 229910002704 AlGaN Inorganic materials 0.000 claims abstract description 62
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims description 45
- 229910052751 metal Inorganic materials 0.000 claims description 42
- 239000002184 metal Substances 0.000 claims description 42
- 230000005533 two-dimensional electron gas Effects 0.000 claims description 5
- 229910052738 indium Inorganic materials 0.000 claims 5
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims 5
- 238000005530 etching Methods 0.000 claims 2
- 230000001590 oxidative effect Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 13
- 238000009413 insulation Methods 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 238000001312 dry etching Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-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
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66431—Unipolar field-effect transistors with a heterojunction interface channel or gate, e.g. HFET, HIGFET, SISFET, HJFET, HEMT
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- 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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- 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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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
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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
- H01L29/778—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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- Manufacturing & Machinery (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
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Abstract
Description
Claims (20)
- トランジスタを形成する方法であって、
AlGaNを含む障壁層を形成すること、
前記障壁層に接するSi3N4の層を形成すること、
前記Si3N4の層に接するSiO2の層を形成すること、及び、
前記SiO2の層に接し、前記SiO2の層の上に位置する金属ゲートを形成すること、
を含む、方法。 - 請求項1に記載の方法であって、
前記障壁層がリアクター内でエピタキシャル成長され、
前記障壁層が成長された後前記障壁層を前記リアクターから取り出すことなく、前記リアクター内で前記Si3N4の層がエピタキシャル成長される、
方法。 - 請求項2に記載の方法であって、前記SiO2の層が、前記Si3N4の層の一部を酸化することにより前記Si3N4の層に接するように形成される、方法。
- 請求項3に記載の方法であって、前記障壁層に接する、間隔が開けられた金属ソース領域及びドレイン領域を形成することを更に含む、方法。
- 請求項4に記載の方法であって、前記障壁層がインジウムを更に含む、方法。
- 請求項4に記載の方法であって、前記障壁層が形成される前にチャネル層を形成することを更に含み、前記チャネル層がGaNを含み、前記チャネル層の上面が前記障壁層の底面に接し、前記チャネル層が前記チャネル層の前記上面に接する2次元電子ガスを含む、方法。
- 請求項6に記載の方法であって、前記Si3N4の層が形成される前に、前記障壁層を選択的にエッチングして、露出された領域を形成することを更に含む、方法。
- 請求項7に記載の方法であって、前記Si3N4の層が形成される前に前記露出された領域に接するように障壁フィルムを形成することを更に含み、前記障壁フィルムがAlGaNを含む、方法。
- 請求項8に記載の方法であって、前記Si3N4の層が、前記障壁フィルムに接し、前記障壁フィルムの上に位置するように形成される、方法。
- 請求項6に記載の方法であって、前記Si3N4の層が形成される前に、前記障壁層及び前記チャネル層を選択的にエッチングして、露出された領域を形成することを更に含む、方法。
- 請求項10に記載の方法であって、前記Si3N4の層が形成される前に、前記露出された領域に接するように障壁フィルムを形成することを更に含み、前記障壁フィルムがAlGaNを含む、方法。
- 請求項11に記載の方法であって、前記Si3N4の層が、前記障壁フィルムに接するように形成される、方法。
- 請求項12に記載の方法であって、前記障壁層がインジウムを更に含み、前記障壁フィルムがインジウムを更に含む、方法。
- トランジスタであって、
AlGaNを含む障壁層、
前記障壁層に接するSi3N4の層、
前記Si3N4の層に接し、前記Si3N4の層の上に位置するSiO2の層、及び、
前記SiO2の層に接し、前記SiO2の層及び前記Si3N4の層の上に位置する金属ゲート、
を含む、トランジスタ。 - 請求項14に記載のトランジスタであって、前記障壁層に接する、間隔が開けられた金属ソース領域及びドレイン領域を更に含む、トランジスタ。
- 請求項15に記載のトランジスタであって、前記障壁層がインジウムを更に含む、トランジスタ。
- 請求項15に記載のトランジスタであって、前記障壁層に接し、前記障壁層より下に位置するチャネル層を更に含み、前記チャネル層がGaNを含み、前記チャネル層が、前記チャネル層の上面に接する2次元電子ガスを含む、トランジスタ。
- 請求項17に記載のトランジスタであって、前記Si3N4の層に接し、前記Si3N4の層より下に位置する障壁フィルムを更に含み、前記障壁フィルムが前記障壁層の最大厚みより薄い厚みを有し、前記障壁フィルムがAlGaNを含む、トランジスタ。
- 請求項18に記載のトランジスタであって、前記障壁層が、前記Si3N4の層の横方向に近接して位置する、トランジスタ。
- 請求項19に記載のトランジスタであって、前記障壁層がインジウムを更に含む、トランジスタ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/697,235 US8624260B2 (en) | 2010-01-30 | 2010-01-30 | Enhancement-mode GaN MOSFET with low leakage current and improved reliability |
US12/697,235 | 2010-01-30 | ||
PCT/US2011/020916 WO2011094059A2 (en) | 2010-01-30 | 2011-01-12 | Low leakage gan mosfet |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013518436A true JP2013518436A (ja) | 2013-05-20 |
JP2013518436A5 JP2013518436A5 (ja) | 2014-03-20 |
JP5730332B2 JP5730332B2 (ja) | 2015-06-10 |
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Application Number | Title | Priority Date | Filing Date |
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JP2012551188A Active JP5730332B2 (ja) | 2010-01-30 | 2011-01-12 | 低リークganmosfet |
Country Status (5)
Country | Link |
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US (2) | US8624260B2 (ja) |
JP (1) | JP5730332B2 (ja) |
CN (1) | CN102834920B (ja) |
TW (1) | TWI546864B (ja) |
WO (1) | WO2011094059A2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015037148A (ja) * | 2013-08-15 | 2015-02-23 | ルネサスエレクトロニクス株式会社 | 半導体装置および半導体装置の製造方法 |
JP2016139781A (ja) * | 2015-01-27 | 2016-08-04 | 蘇州捷芯威半導体有限公司Gpower Semiconductor,Inc. | エンハンスメント型高電子移動度トランジスタおよびその製作方法 |
JP2017228685A (ja) * | 2016-06-23 | 2017-12-28 | 富士通株式会社 | 半導体装置及び半導体装置の製造方法 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8785973B2 (en) * | 2010-04-19 | 2014-07-22 | National Semiconductor Corporation | Ultra high voltage GaN ESD protection device |
RU2615481C2 (ru) * | 2010-12-29 | 2017-04-04 | Нестек С.А. | Композиция наполнителя, содержащая инкапсулированное масло |
US9024357B2 (en) * | 2011-04-15 | 2015-05-05 | Stmicroelectronics S.R.L. | Method for manufacturing a HEMT transistor and corresponding HEMT transistor |
KR20130008281A (ko) * | 2011-07-12 | 2013-01-22 | 삼성전자주식회사 | 파워소자의 제조방법 |
US8878188B2 (en) * | 2013-02-22 | 2014-11-04 | Translucent, Inc. | REO gate dielectric for III-N device on Si substrate |
US9202903B2 (en) * | 2013-03-01 | 2015-12-01 | Cree, Inc. | Tunnel junction field effect transistors having self-aligned source and gate electrodes and methods of forming the same |
US9178016B2 (en) * | 2013-03-01 | 2015-11-03 | Infineon Technologies Austria Ag | Charge protection for III-nitride devices |
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US8624260B2 (en) | 2014-01-07 |
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US20140094005A1 (en) | 2014-04-03 |
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