JP2007165446A - 半導体素子のオーミックコンタクト構造 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 44
- 230000005533 two-dimensional electron gas Effects 0.000 claims abstract description 31
- 238000010276 construction Methods 0.000 claims 1
- 238000005530 etching Methods 0.000 description 15
- 239000002184 metal Substances 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 13
- 238000002955 isolation Methods 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 229910002704 AlGaN Inorganic materials 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000001020 plasma etching Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000005275 alloying Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- 244000126211 Hericium coralloides Species 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
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- H01L29/76—Unipolar devices, e.g. field effect transistors
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- 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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- 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
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- 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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Abstract
【解決手段】第1主面から半導体本体内へと第1主電極領域102内及び第2主電極領域106内を貫いて2次元電子ガス層よりも深い位置にまでそれぞれ個別に設けられている第1オーミック電極104及び第2オーミック電極108とを具え、第1オーミック電極の第1側面及びこの第1側面と対向する第2オーミック電極の第2側面は、これら第1及び第2オーミック電極の厚み方向に厚みに渡って延在する凹部によって形成された凹凸面である。
【選択図】図1
Description
Rc=((ρc・ρ□)0.5/W)・(1-e-L/Le)-1・・・(1)
Rc=(ρc・ρ□)0.5/W・・・(2) 電極長Lが十分長いとき(L>>3Le)
となる。
K.Kaifu et al.2005 The Electrochemical Society,State-of-the-Art Program on Compound Semiconductors and Nitride and Wide Bandgap Semiconductors for Sensors,Photonics,and Electronics VI Vol.1 No.2 pp.259-265 菅野卓雄監修、大森正道編"3 超高速化合物半導体デバイス"培風館 6.2電極形成技術(p.196-202)
図1は、この発明の半導体素子すなわちGaN-HEMTのオーミックコンタクト構造の第1の実施形態を説明するための平面図である。なお、GaN-HEMTの構成としては、アイソレーション領域を形成するまでの構成は、図8を用いて背景技術で既に説明した構成と同様であるので、簡単に説明しその詳細な説明を省略する。又、この発明においては、基板80、バッファ層82、i-GaNチャネル層84、i-AlGaNショトキー層88、及びキャップ層90の積層構造体を半導体本体100と称する。
(1)使用ガス:BCl3 20 sccm
(2)圧力:40 mTorr
(3)パワー:ICP側 50 W、RIE側 30W
(4)RF:13.56 MHz
(5)エッチング時間:10〜15分
図5は、この発明の半導体素子すなわちGaN-HEMTのオーミックコンタクト構造の第2の実施形態を説明するための平面図である。
82:バッファ層
84:i-GaNチャネル層
86:2次元電子ガス層
88:i-AlGaNショトキー層
90:GaNキャップ層
92:アイソレーション層
94,96:オーミック電極
98:ゲート電極
100:半導体本体
102:第1主電極領域
104,120:第1オーミック電極
106:第2主電極領域
108,122:第2オーミック電極
110,124:第1オーミックリセス
112,126:第2オーミックリセス
114,128:第1オーミック電極のオーミックリセス外の頭部分
116,130:第2オーミック電極のオーミックリセス外の頭部分
200:第1主面
300:第2主面
Claims (2)
- GaN-HEMTのオーミックコンタクト構造において、
半導体本体と、
該半導体本体の第1主面から該半導体本体内へと互いに離間して設けられている第1主電極領域及び第2主電極領域と、
前記半導体本体内に該第1主電極領域及び該第2主電極領域のそれぞれを貫きかつこれら両主電極領域間に渡って形成されている2次元電子ガス層と、
前記第1主面から前記半導体本体内へと前記第1主電極領域内及び前記第2主電極領域内を貫いて前記2次元電子ガス層よりも深い位置にまでそれぞれ個別に設けられている第1オーミック電極及び第2オーミック電極とを具え、
前記第1オーミック電極の第1側面及び該第1側面と対向する前記第2オーミック電極の第2側面は、これら第1及び第2オーミック電極の厚み方向に該厚みに渡って延在する凹部によって形成された凹凸面である
ことを特徴とする半導体素子のオーミックコンタクト構造。 - GaN-HEMTのオーミックコンタクト構造において、
半導体本体と、
該半導体本体の第1主面から該半導体本体内へと互いに離間して設けられている第1主電極領域及び第2主電極領域と、
前記半導体本体内に該第1主電極領域及び該第2主電極領域のそれぞれを貫きかつこれら両主電極領域間に渡って形成されている2次元電子ガス層と、
前記第1主面から前記半導体本体内へと前記第1主電極領域内及び前記第2主電極領域内を貫いて前記2次元電子ガス層よりも深い位置にまでそれぞれ個別に設けられている第1オーミック電極及び第2オーミック電極とを具え、
前記第1オーミック電極及び前記第2オーミック電極の各々は、互いに離間しかつ前記半導体本体の厚み方向に延在する、複数の柱状体としてそれぞれ設けられている
ことを特徴とする半導体素子のオーミックコンタクト構造。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005357589A JP2007165446A (ja) | 2005-12-12 | 2005-12-12 | 半導体素子のオーミックコンタクト構造 |
CNA2006101503681A CN1983628A (zh) | 2005-12-12 | 2006-10-30 | 半导体元件的欧姆接触构造 |
US11/636,430 US7601993B2 (en) | 2005-12-12 | 2006-12-11 | Semiconductor device having ohmic recessed electrode |
US12/549,860 US20090315122A1 (en) | 2005-12-12 | 2009-08-28 | Semiconductor device having ohmic recessed electrode |
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JP2005357589A JP2007165446A (ja) | 2005-12-12 | 2005-12-12 | 半導体素子のオーミックコンタクト構造 |
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JP2007165446A true JP2007165446A (ja) | 2007-06-28 |
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JP (1) | JP2007165446A (ja) |
CN (1) | CN1983628A (ja) |
Cited By (16)
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JP2008072083A (ja) * | 2006-08-14 | 2008-03-27 | National Institute Of Advanced Industrial & Technology | 窒化物半導体デバイス及びその作製方法 |
JP2009239144A (ja) * | 2008-03-28 | 2009-10-15 | Furukawa Electric Co Ltd:The | 窒化ガリウム系化合物半導体からなる半導体素子及びその製造方法 |
WO2011074166A1 (ja) * | 2009-12-18 | 2011-06-23 | パナソニック株式会社 | 窒化物半導体素子および窒化物半導体素子の製造方法 |
JP2011210751A (ja) * | 2010-03-26 | 2011-10-20 | Nec Corp | Iii族窒化物半導体素子、iii族窒化物半導体素子の製造方法、および電子装置 |
US8164118B2 (en) | 2008-12-26 | 2012-04-24 | Sanken Electric Co., Ltd. | Semiconductor device and its manufacturing method |
JP2012231128A (ja) * | 2011-04-25 | 2012-11-22 | Samsung Electro-Mechanics Co Ltd | 窒化物半導体素子及びその製造方法 |
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WO2014003047A1 (ja) * | 2012-06-29 | 2014-01-03 | シャープ株式会社 | 窒化物半導体装置の電極構造およびその製造方法並びに窒化物半導体電界効果トランジスタ |
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US9425276B2 (en) * | 2013-01-21 | 2016-08-23 | Taiwan Semiconductor Manufacturing Co., Ltd. | High electron mobility transistors |
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US9087718B2 (en) | 2013-03-13 | 2015-07-21 | Transphorm Inc. | Enhancement-mode III-nitride devices |
US9842923B2 (en) * | 2013-03-15 | 2017-12-12 | Semiconductor Components Industries, Llc | Ohmic contact structure for semiconductor device and method |
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US9245993B2 (en) | 2013-03-15 | 2016-01-26 | Transphorm Inc. | Carbon doping semiconductor devices |
CN103311284B (zh) | 2013-06-06 | 2015-11-25 | 苏州晶湛半导体有限公司 | 半导体器件及其制作方法 |
DE102013211360A1 (de) * | 2013-06-18 | 2014-12-18 | Robert Bosch Gmbh | Halbleiter-Leistungsschalter und Verfahren zur Herstellung eines Halbleiter-Leistungsschalters |
US9443938B2 (en) | 2013-07-19 | 2016-09-13 | Transphorm Inc. | III-nitride transistor including a p-type depleting layer |
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US9318593B2 (en) | 2014-07-21 | 2016-04-19 | Transphorm Inc. | Forming enhancement mode III-nitride devices |
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WO2017123999A1 (en) | 2016-01-15 | 2017-07-20 | Transphorm Inc. | Enhancement mode iii-nitride devices having an al(1-x)sixo gate insulator |
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CN117747420A (zh) * | 2022-09-14 | 2024-03-22 | 华润微电子(重庆)有限公司 | 一种hemt接触孔结构及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05218099A (ja) * | 1992-02-07 | 1993-08-27 | Mitsubishi Electric Corp | ヘテロ接合電界効果トランジスタ |
JPH0964341A (ja) * | 1995-08-28 | 1997-03-07 | Denso Corp | 高電子移動度トランジスタ |
JP2005217361A (ja) * | 2004-02-02 | 2005-08-11 | Furukawa Electric Co Ltd:The | 高電子移動度トランジスタ |
JP2006253559A (ja) * | 2005-03-14 | 2006-09-21 | Nichia Chem Ind Ltd | 電界効果トランジスタ及びその製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02202029A (ja) * | 1989-01-31 | 1990-08-10 | Sony Corp | 化合物半導体装置 |
US5436468A (en) * | 1992-03-17 | 1995-07-25 | Fujitsu Limited | Ordered mixed crystal semiconductor superlattice device |
CA2091926A1 (en) * | 1992-03-23 | 1993-09-24 | Shigeru Nakajima | Semiconductor device |
US5561305A (en) * | 1994-02-16 | 1996-10-01 | The United States Of America As Represented By The Secretary Of The Army | Method and apparatus for performing internal device structure analysis of a dual channel transistor by multiple-frequency Schubnikov-de Haas analysis |
US5818078A (en) * | 1994-08-29 | 1998-10-06 | Fujitsu Limited | Semiconductor device having a regrowth crystal region |
US6462361B1 (en) * | 1995-12-27 | 2002-10-08 | Showa Denko K.K. | GaInP epitaxial stacking structure and fabrication method thereof, and a FET transistor using this structure |
JP3177951B2 (ja) * | 1997-09-29 | 2001-06-18 | 日本電気株式会社 | 電界効果トランジスタおよびその製造方法 |
JP2001284367A (ja) * | 2000-03-29 | 2001-10-12 | Nec Kansai Ltd | 高周波用電界効果トランジスタ |
TWI257179B (en) * | 2000-07-17 | 2006-06-21 | Fujitsu Quantum Devices Ltd | High-speed compound semiconductor device operable at large output power with minimum leakage current |
JP3866149B2 (ja) * | 2002-05-08 | 2007-01-10 | 富士通株式会社 | 半導体装置の製造方法 |
JP2004260364A (ja) * | 2003-02-25 | 2004-09-16 | Renesas Technology Corp | 半導体装置及び高出力電力増幅装置並びにパソコンカード |
JP2005159157A (ja) * | 2003-11-27 | 2005-06-16 | Renesas Technology Corp | 半導体装置 |
-
2005
- 2005-12-12 JP JP2005357589A patent/JP2007165446A/ja active Pending
-
2006
- 2006-10-30 CN CNA2006101503681A patent/CN1983628A/zh active Pending
- 2006-12-11 US US11/636,430 patent/US7601993B2/en not_active Expired - Fee Related
-
2009
- 2009-08-28 US US12/549,860 patent/US20090315122A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05218099A (ja) * | 1992-02-07 | 1993-08-27 | Mitsubishi Electric Corp | ヘテロ接合電界効果トランジスタ |
JPH0964341A (ja) * | 1995-08-28 | 1997-03-07 | Denso Corp | 高電子移動度トランジスタ |
JP2005217361A (ja) * | 2004-02-02 | 2005-08-11 | Furukawa Electric Co Ltd:The | 高電子移動度トランジスタ |
JP2006253559A (ja) * | 2005-03-14 | 2006-09-21 | Nichia Chem Ind Ltd | 電界効果トランジスタ及びその製造方法 |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008072083A (ja) * | 2006-08-14 | 2008-03-27 | National Institute Of Advanced Industrial & Technology | 窒化物半導体デバイス及びその作製方法 |
JP2009239144A (ja) * | 2008-03-28 | 2009-10-15 | Furukawa Electric Co Ltd:The | 窒化ガリウム系化合物半導体からなる半導体素子及びその製造方法 |
US8164118B2 (en) | 2008-12-26 | 2012-04-24 | Sanken Electric Co., Ltd. | Semiconductor device and its manufacturing method |
US8592871B2 (en) | 2009-12-18 | 2013-11-26 | Panasonic Corporation | Nitride semiconductor device and method of manufacturing nitride semiconductor device |
WO2011074166A1 (ja) * | 2009-12-18 | 2011-06-23 | パナソニック株式会社 | 窒化物半導体素子および窒化物半導体素子の製造方法 |
JP2011129769A (ja) * | 2009-12-18 | 2011-06-30 | Panasonic Corp | 窒化物半導体素子および窒化物半導体素子の製造方法 |
JP2011210751A (ja) * | 2010-03-26 | 2011-10-20 | Nec Corp | Iii族窒化物半導体素子、iii族窒化物半導体素子の製造方法、および電子装置 |
KR101204622B1 (ko) * | 2010-12-09 | 2012-11-23 | 삼성전기주식회사 | 질화물계 반도체 소자 및 그 제조 방법 |
JP2012231128A (ja) * | 2011-04-25 | 2012-11-22 | Samsung Electro-Mechanics Co Ltd | 窒化物半導体素子及びその製造方法 |
JP2013201371A (ja) * | 2012-03-26 | 2013-10-03 | Toshiba Corp | 窒化物半導体装置 |
WO2014003047A1 (ja) * | 2012-06-29 | 2014-01-03 | シャープ株式会社 | 窒化物半導体装置の電極構造およびその製造方法並びに窒化物半導体電界効果トランジスタ |
CN103928311A (zh) * | 2014-05-08 | 2014-07-16 | 西安电子科技大学 | Hemt器件的欧姆接触电极制作方法 |
US9508809B2 (en) | 2014-09-09 | 2016-11-29 | Kabushiki Kaisha Toshiba | III-N device with extended source and drain |
WO2016170839A1 (ja) * | 2015-04-21 | 2016-10-27 | シャープ株式会社 | 窒化物半導体装置 |
US9972710B2 (en) | 2015-12-17 | 2018-05-15 | Nichia Corporation | Field effect transistor |
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JP2021129032A (ja) * | 2020-02-14 | 2021-09-02 | 株式会社東芝 | 半導体装置 |
JP7247129B2 (ja) | 2020-02-14 | 2023-03-28 | 株式会社東芝 | 半導体装置 |
Also Published As
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US7601993B2 (en) | 2009-10-13 |
US20090315122A1 (en) | 2009-12-24 |
US20070132037A1 (en) | 2007-06-14 |
CN1983628A (zh) | 2007-06-20 |
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