KR100967779B1 - 화합물 반도체 장치 및 그것을 이용한 도허티 증폭기 - Google Patents
화합물 반도체 장치 및 그것을 이용한 도허티 증폭기 Download PDFInfo
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- KR100967779B1 KR100967779B1 KR1020080017016A KR20080017016A KR100967779B1 KR 100967779 B1 KR100967779 B1 KR 100967779B1 KR 1020080017016 A KR1020080017016 A KR 1020080017016A KR 20080017016 A KR20080017016 A KR 20080017016A KR 100967779 B1 KR100967779 B1 KR 100967779B1
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 55
- 239000004065 semiconductor Substances 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 36
- 239000002019 doping agent Substances 0.000 claims description 10
- 230000005669 field effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 4
- 229910052733 gallium Inorganic materials 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 9
- 239000010410 layer Substances 0.000 description 162
- 230000005533 two-dimensional electron gas Effects 0.000 description 15
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 14
- 229910002601 GaN Inorganic materials 0.000 description 13
- 239000011241 protective layer Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 229910010271 silicon carbide Inorganic materials 0.000 description 4
- 229910002704 AlGaN Inorganic materials 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910004490 TaAl Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000003574 free electron Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/7782—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 confinement of carriers by at least two heterojunctions, e.g. DHHEMT, quantum well HEMT, DHMODFET
- H01L29/7783—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 confinement of carriers by at least two heterojunctions, e.g. DHHEMT, quantum well HEMT, DHMODFET using III-V semiconductor material
- H01L29/7785—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 confinement of carriers by at least two heterojunctions, e.g. DHHEMT, quantum well HEMT, DHMODFET using III-V semiconductor material with more than one donor layer
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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 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
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- 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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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
- H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
- H03F1/07—Doherty-type amplifiers
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
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- 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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- H—ELECTRICITY
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- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/45—Ohmic electrodes
- H01L29/452—Ohmic electrodes on AIII-BV compounds
Abstract
Description
Claims (10)
- 화합물 반도체 재료로 이루어지는 하측 전자 주행층과,상기 하측 전자 주행층 상에 배치되고, n형으로 도핑되고, 상기 하측 전자 주행층보다도 전자 친화력이 작은 화합물 반도체 재료로 이루어지는 하측 전자 공급층과,상기 하측 전자 공급층 상에 배치되고, 상기 하측 전자 공급층보다도 도핑 농도가 낮거나, 또는 논도프 화합물 반도체 재료로 이루어지는 상측 전자 주행층과,상기 상측 전자 주행층 상에 배치되고, 상기 상측 전자 주행층보다도 전자 친화력이 작은 n형 화합물 반도체 재료로 이루어지는 상측 전자 공급층과,상기 상측 전자 공급층 상에, 서로 이격하여 배치되고, 상기 하측 전자 주행층 및 상측 전자 주행층에 오믹으로 접속되는 소스 전극 및 드레인 전극과,상기 소스 전극과 드레인 전극 사이의, 상기 상측 전자 공급층 상에 배치된 게이트 전극을 갖고,상기 하측 전자 주행층 및 상측 전자 주행층이, 구성 원소로서 Ga 및 N을 포함하고, 상기 하측 전자 공급층 및 상측 전자 공급층이, 구성 원소로서 Al, Ga 및 N을 포함하고,상기 하측 전자 공급층의 Al 조성비는, 상기 하측 전자 주행층측에서 높아지고, 상기 상측 전자 주행층측에서 낮아지도록 두께 방향에 관하여 구배를 갖는 화합물 반도체 장치.
- 삭제
- 삭제
- 제1항에 있어서, 상기 하측 전자 공급층의 Al 조성비가, 상기 하측 전자 주행층측에서 0.03 내지 0.07의 범위 내이고, 상기 상측 전자 주행층측에서 0 내지 0.03의 범위 내인 화합물 반도체 장치.
- 제1항 또는 제4항에 있어서, 상기 하측 전자 공급층의 두께가, 2 ㎚ 내지 50 ㎚의 범위 내인 화합물 반도체 장치.
- 제1항 또는 제4항에 있어서, 상기 상측 전자 주행층의 두께가, 5 ㎚ 내지 100 ㎚의 범위 내인 화합물 반도체 장치.
- 제1항 또는 제4항에 있어서, 상기 하측 전자 주행층의, 상기 하측 전자 공급층에 접하는 부분에, n형 도펀트가 도프되어 있는 화합물 반도체 장치.
- 캐리어 증폭기와 피크 증폭기를 포함하는 도허티 증폭기이며,상기 피크 증폭기가,화합물 반도체 재료로 이루어지는 하측 전자 주행층과,상기 하측 전자 주행층 상에 배치되고, n형으로 도핑되고, 상기 하측 전자 주행층보다도 전자 친화력이 작은 화합물 반도체 재료로 이루어지는 하측 전자 공급층과,상기 하측 전자 공급층 상에 배치되고, 상기 하측 전자 공급층보다도 도핑 농도가 낮거나, 또는 논도프 화합물 반도체 재료로 이루어지는 상측 전자 주행층과,상기 상측 전자 주행층 상에 배치되고, 상기 상측 전자 주행층보다도 전자 친화력이 작은 n형 화합물 반도체 재료로 이루어지는 상측 전자 공급층과,상기 상측 전자 공급층 상에, 서로 이격하여 배치되고, 상기 하측 전자 주행층 및 상측 전자 주행층에 오믹으로 접속되는 소스 전극 및 드레인 전극과,상기 소스 전극과 드레인 전극 사이의, 상기 상측 전자 공급층 상에 배치된 게이트 전극을 갖는 제1 전계 효과 트랜지스터를 포함하고,상기 제1 전계 효과 트랜지스터의 게이트 전극에, 상기 상측 전자 주행층과 상기 상측 전자 공급층의 계면에는 채널이 형성되지 않고, 상기 하측 전자 주행층과 상기 하측 전자 공급층의 계면에는 채널이 형성되는 크기의 직류 게이트 바이어스 전압을 인가하는 바이어스 회로를 더 갖는 도허티 증폭기.
- 삭제
- 제8항에 있어서, 상기 캐리어 증폭기가,화합물 반도체 재료로 이루어지는 전자 주행층과,상기 전자 주행층 상에 배치되고, 상기 전자 주행층보다도 전자 친화력이 작은 화합물 반도체 재료로 이루어지는 전자 공급층과,상기 전자 주행층에 오믹으로 접속된 소스 전극 및 드레인 전극과,상기 소스 전극과 드레인 전극 사이의, 상기 전자 공급층 상에 배치된 게이트 전극과,상기 게이트 전극과 상기 전자 공급층 사이에 배치된 절연 재료로 이루어지는 게이트 절연막을 갖는 제2 전계 효과 트랜지스터를 포함하는 도허티 증폭기.
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JP2007048053A JP4967708B2 (ja) | 2007-02-27 | 2007-02-27 | 化合物半導体装置及びそれを用いたドハティ増幅器 |
JPJP-P-2007-00048053 | 2007-02-27 |
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KR20080079604A KR20080079604A (ko) | 2008-09-01 |
KR100967779B1 true KR100967779B1 (ko) | 2010-07-05 |
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US (2) | US7663162B2 (ko) |
EP (1) | EP1965434B1 (ko) |
JP (1) | JP4967708B2 (ko) |
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JP2010135640A (ja) * | 2008-12-05 | 2010-06-17 | Panasonic Corp | 電界効果トランジスタ |
JP5544713B2 (ja) * | 2008-12-26 | 2014-07-09 | 富士通株式会社 | 化合物半導体装置及びその製造方法 |
WO2010125714A1 (ja) * | 2009-04-28 | 2010-11-04 | パナソニック株式会社 | 電力増幅器 |
KR101219441B1 (ko) * | 2010-12-27 | 2013-01-11 | 전자부품연구원 | 미세 게이트 컨택홀을 갖는 질화물계 반도체 소자 및 그의 제조 방법 |
KR20120120826A (ko) * | 2011-04-25 | 2012-11-02 | 삼성전기주식회사 | 질화물 반도체 소자 및 그 제조방법 |
US8710511B2 (en) * | 2011-07-29 | 2014-04-29 | Northrop Grumman Systems Corporation | AIN buffer N-polar GaN HEMT profile |
JP5987288B2 (ja) * | 2011-09-28 | 2016-09-07 | 富士通株式会社 | 半導体装置 |
JP5790461B2 (ja) | 2011-12-07 | 2015-10-07 | 富士通株式会社 | 化合物半導体装置及びその製造方法 |
US9407214B2 (en) * | 2013-06-28 | 2016-08-02 | Cree, Inc. | MMIC power amplifier |
KR101480068B1 (ko) * | 2013-10-18 | 2015-01-09 | 경북대학교 산학협력단 | 질화물 반도체 소자 및 그 제조방법 |
JP6341679B2 (ja) * | 2014-02-06 | 2018-06-13 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US20150364330A1 (en) * | 2014-06-11 | 2015-12-17 | Hrl Laboratories Llc | Ta based au-free ohmic contacts in advanced aigan/gan based hfets and/or moshfets for power switch applications |
JP6313509B2 (ja) * | 2017-07-18 | 2018-04-18 | 株式会社東芝 | 半導体装置 |
US10741494B2 (en) | 2018-11-07 | 2020-08-11 | Semiconductor Components Industries, Llc | Electronic device including a contact structure contacting a layer |
WO2020161791A1 (ja) * | 2019-02-05 | 2020-08-13 | 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 |
JP7192099B2 (ja) * | 2019-04-01 | 2022-12-19 | ヌヴォトンテクノロジージャパン株式会社 | モノリシック半導体装置およびハイブリッド半導体装置 |
DE102020108777A1 (de) * | 2020-03-30 | 2021-09-30 | Otto-von-Guericke-Universität Magdeburg, Körperschaft des öffentlichen Rechts | Feldeffekttransistor |
US11887945B2 (en) * | 2020-09-30 | 2024-01-30 | Wolfspeed, Inc. | Semiconductor device with isolation and/or protection structures |
WO2023178683A1 (zh) * | 2022-03-25 | 2023-09-28 | 华为技术有限公司 | 高电子迁移率晶体管、Doherty功率放大器及电子设备 |
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JP2500457B2 (ja) * | 1993-06-17 | 1996-05-29 | 日本電気株式会社 | ヘテロ接合電界効果トランジスタ |
JP2001308315A (ja) * | 2000-04-26 | 2001-11-02 | Hitachi Cable Ltd | Iii−v族化合物半導体エピタキシャルウェハ |
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JP5216184B2 (ja) | 2004-12-07 | 2013-06-19 | 富士通株式会社 | 化合物半導体装置およびその製造方法 |
JP2006166141A (ja) | 2004-12-08 | 2006-06-22 | Matsushita Electric Ind Co Ltd | ドハティ増幅器 |
US7253454B2 (en) * | 2005-03-03 | 2007-08-07 | Cree, Inc. | High electron mobility transistor |
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US7663162B2 (en) | 2010-02-16 |
US7777251B2 (en) | 2010-08-17 |
JP4967708B2 (ja) | 2012-07-04 |
EP1965434B1 (en) | 2015-08-19 |
US20100066451A1 (en) | 2010-03-18 |
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EP1965434A2 (en) | 2008-09-03 |
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