CN110100313A - 一种增强型开关器件及其制造方法 - Google Patents
一种增强型开关器件及其制造方法 Download PDFInfo
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- CN110100313A CN110100313A CN201780052620.1A CN201780052620A CN110100313A CN 110100313 A CN110100313 A CN 110100313A CN 201780052620 A CN201780052620 A CN 201780052620A CN 110100313 A CN110100313 A CN 110100313A
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- type semiconductor
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000004065 semiconductor Substances 0.000 claims abstract description 280
- 239000000463 material Substances 0.000 claims abstract description 117
- 230000004888 barrier function Effects 0.000 claims abstract description 85
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims description 34
- 238000005530 etching Methods 0.000 claims description 24
- 238000002360 preparation method Methods 0.000 claims description 20
- 229910002704 AlGaN Inorganic materials 0.000 claims description 18
- 229910003460 diamond Inorganic materials 0.000 claims description 5
- 239000010432 diamond Substances 0.000 claims description 5
- 238000005036 potential barrier Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 229910002601 GaN Inorganic materials 0.000 description 44
- 238000010586 diagram Methods 0.000 description 12
- 230000005533 two-dimensional electron gas Effects 0.000 description 8
- 239000007772 electrode material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 229910017083 AlN Inorganic materials 0.000 description 3
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000000231 atomic layer deposition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005669 field effect Effects 0.000 description 3
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 238000001020 plasma etching Methods 0.000 description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
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- 238000009832 plasma treatment Methods 0.000 description 1
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- 230000009466 transformation Effects 0.000 description 1
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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
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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
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- 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
一种增强型开关器件及其制造方法,解决了现有增强型开关器件的制造工艺复杂以及稳定性和可靠性差的问题。其中的增强型开关器件包括:衬底(1);依次设于所述衬底(1)上的沟道层(23)以及势垒层(24);形成于所述势垒层(24)上的n型半导体层(3),所述n型半导体层(3)的表面上定义有栅极区域;形成于所述栅极区域且至少部分贯穿所述n型半导体层(3)的凹槽(4);以及形成于所述n型半导体层(3)表面并至少填充所述凹槽(4)内部的p型半导体材料(5)。
Description
PCT国内申请,说明书已公开。
Claims (15)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2017/087766 WO2018223387A1 (zh) | 2017-06-09 | 2017-06-09 | 一种增强型开关器件及其制造方法 |
Publications (2)
Publication Number | Publication Date |
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CN110100313A true CN110100313A (zh) | 2019-08-06 |
CN110100313B CN110100313B (zh) | 2020-11-17 |
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CN201780052620.1A Active CN110100313B (zh) | 2017-06-09 | 2017-06-09 | 一种增强型开关器件及其制造方法 |
Country Status (5)
Country | Link |
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US (1) | US10998435B2 (zh) |
EP (1) | EP3637475A4 (zh) |
CN (1) | CN110100313B (zh) |
TW (1) | TWI756435B (zh) |
WO (1) | WO2018223387A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115244709A (zh) * | 2020-03-19 | 2022-10-25 | 苏州晶湛半导体有限公司 | 半导体结构及其制作方法 |
CN113113476A (zh) * | 2021-03-01 | 2021-07-13 | 西安电子科技大学 | 适用于低工作电压高效率应用的GaN HEMT器件及制备方法 |
CN114038909B (zh) * | 2021-10-22 | 2024-05-17 | 北京大学深圳研究生院 | 增强型氮化镓功率器件及其制备方法 |
WO2024026279A1 (en) * | 2022-07-25 | 2024-02-01 | Transphorm Technology, Inc. | High voltage iii-n devices and structures with reduced current degradation |
CN116613065B (zh) * | 2023-04-28 | 2024-06-11 | 深圳智慧脑科技有限公司 | 一种增强型氮化镓hemt器件及制造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090146182A1 (en) * | 2007-12-10 | 2009-06-11 | Masahiro Hikita | Nitride semiconductor device and method for fabricating the same |
CN102683394A (zh) * | 2012-04-17 | 2012-09-19 | 程凯 | 一种增强型器件及其制造方法 |
CN102709321A (zh) * | 2012-04-20 | 2012-10-03 | 程凯 | 增强型开关器件及其制造方法 |
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