JP2020155530A - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
- Publication number
- JP2020155530A JP2020155530A JP2019051304A JP2019051304A JP2020155530A JP 2020155530 A JP2020155530 A JP 2020155530A JP 2019051304 A JP2019051304 A JP 2019051304A JP 2019051304 A JP2019051304 A JP 2019051304A JP 2020155530 A JP2020155530 A JP 2020155530A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- gallium oxide
- oxide substrate
- manufacturing
- surface roughness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000004065 semiconductor Substances 0.000 title claims abstract description 9
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000000758 substrate Substances 0.000 claims abstract description 51
- 229910001195 gallium oxide Inorganic materials 0.000 claims abstract description 50
- 230000003746 surface roughness Effects 0.000 claims abstract description 18
- 230000002378 acidificating effect Effects 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 238000004140 cleaning Methods 0.000 description 22
- 239000007864 aqueous solution Substances 0.000 description 9
- 238000004544 sputter deposition Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- CABDFQZZWFMZOD-UHFFFAOYSA-N hydrogen peroxide;hydrochloride Chemical compound Cl.OO CABDFQZZWFMZOD-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000000427 thin-film deposition Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
Images
Classifications
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/673—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere using specially adapted carriers or holders; Fixing the workpieces on such carriers or holders
- H01L21/6734—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere using specially adapted carriers or holders; Fixing the workpieces on such carriers or holders specially adapted for supporting large square shaped substrates
- H01L21/67343—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere using specially adapted carriers or holders; Fixing the workpieces on such carriers or holders specially adapted for supporting large square shaped substrates characterized by a material, a roughness, a coating or the like
-
- 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 potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/34—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 not provided for in groups H01L21/0405, H01L21/0445, H01L21/06, H01L21/16 and H01L21/18 with or without impurities, e.g. doping materials
- H01L21/44—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/38 - H01L21/428
- H01L21/441—Deposition of conductive or insulating materials for electrodes
- H01L21/443—Deposition of conductive or insulating materials for electrodes from a gas or vapour, e.g. condensation
-
- 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 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
-
- 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
- H01L21/02041—Cleaning
- H01L21/02043—Cleaning before device manufacture, i.e. Begin-Of-Line process
- H01L21/02052—Wet cleaning only
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02266—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by physical ablation of a target, e.g. sputtering, reactive sputtering, physical vapour deposition or pulsed laser deposition
-
- 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 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30604—Chemical etching
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02299—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer pre-treatment
-
- 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 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
- H01L21/24—Alloying of impurity materials, e.g. doping materials, electrode materials, with a semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41766—Source or drain electrodes for field effect devices with at least part of the source or drain electrode having contact below the semiconductor surface, e.g. the source or drain electrode formed at least partially in a groove or with inclusions of conductor inside the semiconductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrodes Of Semiconductors (AREA)
- Cleaning Or Drying Semiconductors (AREA)
Abstract
Description
20a :第1部分
20b :第2部分
22 :クリアランス領域
30 :電源
32 :電流計
34 :電圧計
Claims (3)
- 半導体装置の製造方法であって、
酸化ガリウム基板の表面を酸性またはアルカリ性の薬液に曝して、前記表面の表面粗さを上昇させる工程と、
表面粗さを上昇させた前記表面に電極を形成する工程、
を有する製造方法。 - 前記薬液が、リン酸、硝酸、塩酸、硫酸、酢酸、過酸化水素、水酸化ナトリウム、水酸化カリウム、水酸化テトラメチルアンモニウムの少なくとも1つを含む、請求項1の製造方法。
- 前記電極が、チタンを含む、請求項1または2の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019051304A JP2020155530A (ja) | 2019-03-19 | 2019-03-19 | 半導体装置の製造方法 |
US16/794,530 US20200303225A1 (en) | 2019-03-19 | 2020-02-19 | Method of manufacturing semiconductor device |
CN202010187749.7A CN111725057A (zh) | 2019-03-19 | 2020-03-17 | 半导体装置的制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019051304A JP2020155530A (ja) | 2019-03-19 | 2019-03-19 | 半導体装置の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2020155530A true JP2020155530A (ja) | 2020-09-24 |
Family
ID=72514654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019051304A Pending JP2020155530A (ja) | 2019-03-19 | 2019-03-19 | 半導体装置の製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20200303225A1 (ja) |
JP (1) | JP2020155530A (ja) |
CN (1) | CN111725057A (ja) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004071657A (ja) * | 2002-08-01 | 2004-03-04 | Nec Corp | Iii族窒化物半導体素子、iii族窒化物半導体基板およびiii族窒化物半導体素子の製造方法 |
JP2005244073A (ja) * | 2004-02-27 | 2005-09-08 | National Institute Of Advanced Industrial & Technology | 太陽電池及び太陽電池の製造方法 |
JP2006032736A (ja) * | 2004-07-16 | 2006-02-02 | Koha Co Ltd | 半導体素子の製造方法 |
JP2009026914A (ja) * | 2007-07-19 | 2009-02-05 | Nippon Light Metal Co Ltd | ウェットエッチングにおけるエッチング量の算出方法 |
WO2013035842A1 (ja) * | 2011-09-08 | 2013-03-14 | 株式会社タムラ製作所 | Ga2O3系半導体素子 |
WO2013069729A1 (ja) * | 2011-11-09 | 2013-05-16 | 株式会社タムラ製作所 | 半導体素子及びその製造方法 |
CN107993934A (zh) * | 2017-12-08 | 2018-05-04 | 中国科学院微电子研究所 | 增强氧化镓半导体器件欧姆接触的方法 |
JP2018142655A (ja) * | 2017-02-28 | 2018-09-13 | 株式会社タムラ製作所 | ショットキーバリアダイオード |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120167971A1 (en) * | 2010-12-30 | 2012-07-05 | Alexey Krasnov | Textured coating for thin-film solar cells and/or methods of making the same |
US10103282B2 (en) * | 2016-09-16 | 2018-10-16 | Nano And Advanced Materials Institute Limited | Direct texture transparent conductive oxide served as electrode or intermediate layer for photovoltaic and display applications |
US11222985B2 (en) * | 2017-02-14 | 2022-01-11 | Mitsubishi Electric Corporation | Power semiconductor device |
-
2019
- 2019-03-19 JP JP2019051304A patent/JP2020155530A/ja active Pending
-
2020
- 2020-02-19 US US16/794,530 patent/US20200303225A1/en not_active Abandoned
- 2020-03-17 CN CN202010187749.7A patent/CN111725057A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004071657A (ja) * | 2002-08-01 | 2004-03-04 | Nec Corp | Iii族窒化物半導体素子、iii族窒化物半導体基板およびiii族窒化物半導体素子の製造方法 |
JP2005244073A (ja) * | 2004-02-27 | 2005-09-08 | National Institute Of Advanced Industrial & Technology | 太陽電池及び太陽電池の製造方法 |
JP2006032736A (ja) * | 2004-07-16 | 2006-02-02 | Koha Co Ltd | 半導体素子の製造方法 |
JP2009026914A (ja) * | 2007-07-19 | 2009-02-05 | Nippon Light Metal Co Ltd | ウェットエッチングにおけるエッチング量の算出方法 |
WO2013035842A1 (ja) * | 2011-09-08 | 2013-03-14 | 株式会社タムラ製作所 | Ga2O3系半導体素子 |
WO2013069729A1 (ja) * | 2011-11-09 | 2013-05-16 | 株式会社タムラ製作所 | 半導体素子及びその製造方法 |
JP2018142655A (ja) * | 2017-02-28 | 2018-09-13 | 株式会社タムラ製作所 | ショットキーバリアダイオード |
CN107993934A (zh) * | 2017-12-08 | 2018-05-04 | 中国科学院微电子研究所 | 增强氧化镓半导体器件欧姆接触的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN111725057A (zh) | 2020-09-29 |
US20200303225A1 (en) | 2020-09-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6719581B2 (ja) | グラフェン薄膜トランジスタの製造方法 | |
CN106783558A (zh) | 一种低导通电阻氢终端金刚石场效应晶体管及其制备方法 | |
CN106044759B (zh) | 一种调控石墨烯带隙方法 | |
KR101402989B1 (ko) | 기판과의 결합력이 향상된 탄소나노튜브 기반 전계효과트랜지스터 소자의 제조방법 및 이에 의하여 제조된 탄소나노튜브 기반 전계효과트랜지스터 소자 | |
Kim et al. | A facile process to achieve hysteresis-free and fully stabilized graphene field-effect transistors | |
WO2017101535A1 (zh) | 一种湿法腐蚀三族氮化物的方法 | |
JP2013004961A (ja) | 半導体素子 | |
JP2020155530A (ja) | 半導体装置の製造方法 | |
US8237170B2 (en) | Schottky diamond semiconductor device and manufacturing method for a Schottky electrode for diamond semiconductor device | |
CN105810607A (zh) | 通过原位刻蚀监控实现p型氮化物增强型hemt的方法及系统 | |
Das | Investigation of nanoporous thin-film alumina templates | |
KR101573638B1 (ko) | 그래핀과 육방정계 질화붕소 이종 적층구조를 이용한 마이크로 히터 및 그 제조방법 | |
Driad et al. | Investigation of NiCr thin film resistors for InP-based monolithic microwave integrated circuits (MMICs) | |
CN107546113A (zh) | 耐高温碳化硅欧姆接触结构制作方法及其结构 | |
KR101136518B1 (ko) | 나노와이어의 오믹 컨택트 형성방법, 및 그 나노와이어의 제백상수 측정방법 | |
CN207165577U (zh) | 一种SiC欧姆接触结构 | |
KR101317106B1 (ko) | 오믹 컨택 제조방법 및 이에 의하여 제조된 오믹 컨택 | |
TWI229379B (en) | Method and solution for selectively etching III-V semiconductor | |
KR101372352B1 (ko) | p-GaN 오믹 전극 제조방법 및 이에 의하여 제조된 p-GaN 오믹 전극 | |
JPS59130425A (ja) | オ−ミツク電極の製造方法 | |
CN117080079B (zh) | 一种氧化镓肖特基二极管及其制备方法 | |
KR100459885B1 (ko) | 반도체소자의금속전극형성방법 | |
JP2011175789A (ja) | 周期的ナノ構造体の製造方法および電界放射型電子源の製造方法 | |
CN113410382B (zh) | 一种铬硅系薄膜电阻及其制备方法 | |
US7183151B2 (en) | Method for fabricating field effect transistor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20200720 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210716 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220518 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220607 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20221129 |