JP5203725B2 - Iii族窒化物パワー半導体デバイス - Google Patents
Iii族窒化物パワー半導体デバイス Download PDFInfo
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- JP5203725B2 JP5203725B2 JP2008011038A JP2008011038A JP5203725B2 JP 5203725 B2 JP5203725 B2 JP 5203725B2 JP 2008011038 A JP2008011038 A JP 2008011038A JP 2008011038 A JP2008011038 A JP 2008011038A JP 5203725 B2 JP5203725 B2 JP 5203725B2
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- heterojunction
- semiconductor layer
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- 239000004065 semiconductor Substances 0.000 title claims description 76
- 150000004767 nitrides Chemical class 0.000 claims description 27
- 239000000758 substrate Substances 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 9
- 239000012212 insulator Substances 0.000 claims description 7
- 229910002704 AlGaN Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 230000005533 two-dimensional electron gas Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 229910052594 sapphire Inorganic materials 0.000 claims description 2
- 239000010980 sapphire Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000407 epitaxy Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- -1 Si 3 N 4 Inorganic materials 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
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Classifications
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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
- H10D62/85—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group III-V materials, e.g. GaAs
- H10D62/8503—Nitride Group III-V materials, e.g. AlN or GaN
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/40—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 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]
- H10D30/472—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having lower bandgap active layer formed on top of wider bandgap layer, e.g. inverted HEMT
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/40—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 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/40—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 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]
- H10D30/478—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] the 2D charge carrier gas being at least partially not parallel to a main surface of the semiconductor body
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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
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/117—Shapes of semiconductor bodies
-
- 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
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/124—Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
- H10D62/125—Shapes of junctions between the regions
-
- 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
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/213—Channel regions of field-effect devices
- H10D62/221—Channel regions of field-effect devices of FETs
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- Junction Field-Effect Transistors (AREA)
- Electrodes Of Semiconductors (AREA)
Description
本発明では、例えば、第1ヘテロ接合体が、GaNよりなり、第2へテロ接合体がAlGaNよりなる。
12 遷移層
14 第1半導体層
16 第2半導体層
18 凹部
20 ヘテロ接合部
22 第1ヘテロ接合体
24 第2ヘテロ接合体
26 ゲート構造
28 ドレイン電極
30 ソース電極
32 ゲート絶縁層
34 ゲート電極
36 ゲート絶縁体
Claims (11)
- III族窒化物よりなるN型の第1半導体層、この第1半導体層の上に形成され、III族窒化物よりなるP型の第2半導体層、及びこの第2半導体層を貫通し、前記第1半導体層で終わる凹部を備える半導体本体と、
前記凹部の側壁に沿って、少なくとも前記第2半導体層から前記第1半導体層まで延び、第1のバンドギャップを有するIII族窒化物の第1へテロ接合体、及びこの第1物質の上に形成され、第2のバンドギャップを有するIII族窒化物の第2へテロ接合体を備え、前記側壁に沿って分断される2次元電子ガス(2DEG)を形成する、III族窒化物活性ヘテロ接合部と、
前記III族窒化物活性ヘテロ接合部に電気的に接続され、前記第2半導体層上に少なくとも部分的に配置された第1パワー電極と、
前記III族窒化物活性ヘテロ接合部に電気的に接続され、前記凹部内の前記第1半導体層上に配置された第2パワー電極と、
前記第1パワー電極と前記第2パワー電極の間において、前記ヘテロ接合部に接続された制御電極とを備え、
前記制御電極は、2次元電子ガス(2DEG)を前記側壁に沿って回復させて、当該2次元電子ガス(2DEG)を前記第1パワー電極から前記第2パワー電極までほぼ連続的に延在させるように動作可能である、パワー半導体デバイス。 - 制御電極が、絶縁体を介してヘテロ接合部に容量結合されている請求項1記載のパワー半導体デバイス。
- 制御電極が、少なくとも凹部の側壁に沿って配置されている請求項1記載のパワー半導体デバイス。
- 第1パワー電極が、第2半導体層とオーミック接触している請求項1記載のパワー半導体デバイス。
- 半導体本体が、基板上に積層されるIII族窒化物の遷移層上に形成されている請求項1記載のパワー半導体デバイス。
- 遷移層がAlNよりなり、第1半導体層がN型GaNよりなり、第2半導体層がP型GaNよりなっている請求項5記載のパワー半導体デバイス。
- 基板がケイ素よりなっている請求項6記載のパワー半導体デバイス。
- 基板がGaNよりなっている請求項6記載のパワー半導体デバイス。
- 基板がSiCよりなっている請求項6記載のパワー半導体デバイス。
- 基板がサファイアよりなっている請求項6記載のパワー半導体デバイス。
- 第1ヘテロ接合体が、GaNよりなり、第2へテロ接合体がAlGaNよりなっている請求項1記載のパワー半導体デバイス。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/698,371 | 2007-01-26 | ||
US11/698,371 US7821032B2 (en) | 2007-01-26 | 2007-01-26 | III-nitride power semiconductor device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008187173A JP2008187173A (ja) | 2008-08-14 |
JP5203725B2 true JP5203725B2 (ja) | 2013-06-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008011038A Expired - Fee Related JP5203725B2 (ja) | 2007-01-26 | 2008-01-22 | Iii族窒化物パワー半導体デバイス |
Country Status (3)
Country | Link |
---|---|
US (1) | US7821032B2 (ja) |
JP (1) | JP5203725B2 (ja) |
CN (1) | CN101232046B (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5332113B2 (ja) * | 2007-02-15 | 2013-11-06 | 富士通株式会社 | 半導体装置及びその製造方法 |
US8026581B2 (en) * | 2008-02-05 | 2011-09-27 | International Rectifier Corporation | Gallium nitride material devices including diamond regions and methods associated with the same |
CN103620751B (zh) * | 2011-07-12 | 2017-08-01 | 松下知识产权经营株式会社 | 氮化物半导体装置及其制造方法 |
US9087812B2 (en) * | 2011-07-15 | 2015-07-21 | International Rectifier Corporation | Composite semiconductor device with integrated diode |
CN102299176B (zh) * | 2011-08-30 | 2013-04-03 | 电子科技大学 | 一种铁电薄膜栅增强型GaN异质结场效应晶体管 |
US8772786B2 (en) | 2012-07-13 | 2014-07-08 | Raytheon Company | Gallium nitride devices having low ohmic contact resistance |
JP6200227B2 (ja) * | 2013-02-25 | 2017-09-20 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US20150079738A1 (en) * | 2013-06-18 | 2015-03-19 | Stephen P. Barlow | Method for producing trench high electron mobility devices |
US10312360B2 (en) * | 2013-06-18 | 2019-06-04 | Stephen P. Barlow | Method for producing trench high electron mobility devices |
US9728630B2 (en) * | 2014-09-05 | 2017-08-08 | Infineon Technologies Austria Ag | High-electron-mobility transistor having a buried field plate |
US11699704B2 (en) * | 2017-09-28 | 2023-07-11 | Intel Corporation | Monolithic integration of a thin film transistor over a complimentary transistor |
WO2019097813A1 (ja) * | 2017-11-16 | 2019-05-23 | パナソニック株式会社 | 窒化物半導体装置 |
CN112397586B (zh) * | 2020-11-23 | 2022-06-21 | 江苏大学 | 一种常开型硅衬底高电子迁移率晶体管及其制造方法 |
JP7534269B2 (ja) | 2021-07-26 | 2024-08-14 | 株式会社東芝 | 半導体装置 |
CN114503282B (zh) * | 2021-12-31 | 2024-01-02 | 英诺赛科(苏州)科技有限公司 | 氮化物基半导体装置及其制造方法 |
Family Cites Families (11)
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JP2778447B2 (ja) | 1994-02-18 | 1998-07-23 | 日本電気株式会社 | トンネルトランジスタおよびその製造方法 |
JP4541489B2 (ja) * | 2000-04-06 | 2010-09-08 | 三菱電機株式会社 | 半導体装置及びその製造方法 |
JP4645034B2 (ja) * | 2003-02-06 | 2011-03-09 | 株式会社豊田中央研究所 | Iii族窒化物半導体を有する半導体素子 |
DE102004058431B4 (de) * | 2003-12-05 | 2021-02-18 | Infineon Technologies Americas Corp. | III-Nitrid Halbleitervorrichtung mit Grabenstruktur |
JP4041075B2 (ja) * | 2004-02-27 | 2008-01-30 | 株式会社東芝 | 半導体装置 |
US7084441B2 (en) * | 2004-05-20 | 2006-08-01 | Cree, Inc. | Semiconductor devices having a hybrid channel layer, current aperture transistors and methods of fabricating same |
US7417267B2 (en) * | 2004-09-24 | 2008-08-26 | International Rectifier Corporation | Non-planar III-nitride power device having a lateral conduction path |
JP2006278857A (ja) * | 2005-03-30 | 2006-10-12 | Ngk Insulators Ltd | 半導体積層構造、半導体素子及び当該半導体素子を用いた装置 |
JP4916671B2 (ja) * | 2005-03-31 | 2012-04-18 | 住友電工デバイス・イノベーション株式会社 | 半導体装置 |
US7521732B2 (en) * | 2005-11-18 | 2009-04-21 | General Electric Company | Vertical heterostructure field effect transistor and associated method |
US7821034B2 (en) * | 2006-01-09 | 2010-10-26 | International Rectifier Corporation | Integrated III-nitride devices |
-
2007
- 2007-01-26 US US11/698,371 patent/US7821032B2/en active Active
- 2007-11-16 CN CN2007101883026A patent/CN101232046B/zh active Active
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- 2008-01-22 JP JP2008011038A patent/JP5203725B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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US20080179631A1 (en) | 2008-07-31 |
CN101232046B (zh) | 2011-11-16 |
JP2008187173A (ja) | 2008-08-14 |
US7821032B2 (en) | 2010-10-26 |
CN101232046A (zh) | 2008-07-30 |
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