JP6094159B2 - 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
- JP6094159B2 JP6094159B2 JP2012249414A JP2012249414A JP6094159B2 JP 6094159 B2 JP6094159 B2 JP 6094159B2 JP 2012249414 A JP2012249414 A JP 2012249414A JP 2012249414 A JP2012249414 A JP 2012249414A JP 6094159 B2 JP6094159 B2 JP 6094159B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- forming
- mask
- oxide
- width
- 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.)
- Active
Links
- 239000004065 semiconductor Substances 0.000 title claims description 60
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 claims description 48
- 238000001039 wet etching Methods 0.000 claims description 38
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 19
- 229910052760 oxygen Inorganic materials 0.000 claims description 19
- 239000001301 oxygen Substances 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 13
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 12
- 238000005530 etching Methods 0.000 claims description 11
- 238000004380 ashing Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000001312 dry etching Methods 0.000 description 6
- 239000007772 electrode material Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004904 shortening Methods 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
- H01L21/02—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
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
-
- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0272—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers for lift-off processes
-
- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0331—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers for lift-off processes
-
- 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
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28264—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being a III-V compound
-
- 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
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28575—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising AIIIBV compounds
- H01L21/28581—Deposition of Schottky electrodes
-
- 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
-
- 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
- H01L29/401—Multistep manufacturing processes
-
- 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
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
-
- 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
- H01L29/66—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
- H01L29/66431—Unipolar field-effect transistors with a heterojunction interface channel or gate, e.g. HFET, HIGFET, SISFET, HJFET, HEMT
-
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- 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
-
- 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
- H01L29/66—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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Junction Field-Effect Transistors (AREA)
- Weting (AREA)
- Electrodes Of Semiconductors (AREA)
- Drying Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Description
本発明の実施の形態1に係る半導体装置の製造方法について図を参照して説明する。まず、半導体層上に絶縁膜を成膜する。図1は、基板10に絶縁膜から成る第1層と第2層を形成したことを示す断面図である。基板10は、例えばSiCで形成されている。基板10の表面側には、例えばGaN又はAlGaN等から成る半導体層10aがエピ成長されている。そして、半導体層10a上にSiOの第1層12を形成する。その後、第1層12上にSiNの第2層14を形成する。
本発明の実施の形態2に係る半導体装置の製造方法について図を参照して説明する。まず、半導体層10aの上にSi酸化物を形成する。図10は、Si酸化物を形成したことを示す断面図である。Si酸化物50はSiOで形成する。
Claims (4)
- 基板に形成された半導体層上に第1層を形成する工程と、
前記第1層上に第2層を形成する工程と、
前記第2層の上方にパターニングされたマスクを形成する工程と、
前記第2層の前記マスクに覆われていない部分をエッチングする工程と、
前記第1層をウェットエッチングして前記第1層の幅を前記マスクの幅よりも短くするウェットエッチング工程と、
前記マスクを除去する工程と、
前記マスクを除去する工程の後に前記半導体層の上と前記第2層の上に、前記半導体層の上の絶縁層と前記第2層の上の絶縁層がつながらないように絶縁層を形成する工程と、
前記第1層と前記第2層を除去し、前記絶縁層に開口を形成する工程と、
前記半導体層の表面のうち、前記開口により露出した部分に電極を形成する工程と、を備え、
前記第1層は前記第2層より前記ウェットエッチング工程におけるエッチングレートが高いことを特徴とする半導体装置の製造方法。 - 前記第1層はSiOで形成され、
前記第2層はSiNで形成され、
前記ウェットエッチング工程では、フッ酸を含む薬液を用いることを特徴とする請求項1に記載の半導体装置の製造方法。 - 半導体層が形成された基板上に、Si酸化物を形成する工程と、
前記Si酸化物の上にパターニングされたマスクを形成する工程と、
前記マスクから露出した前記Si酸化物にアッシング処理を施し、前記Si酸化物の中に前記Si酸化物の底面に至らないように酸素リッチ部を形成する工程と、
前記酸素リッチ部を形成した後に前記マスクを除去する工程と、
前記酸素リッチ部を残しつつ前記Si酸化物をウェットエッチングして、前記酸素リッチ部の直下の前記Si酸化物の幅を前記酸素リッチ部の幅よりも短くするウェットエッチング工程と、
前記ウェットエッチング工程の後に前記半導体層の上に絶縁層を形成する工程と、
前記Si酸化物と前記酸素リッチ部を除去し、前記絶縁層に開口を形成する工程と、
前記半導体層の表面のうち、前記開口により露出した部分に電極を形成する工程と、を備えたことを特徴とする半導体装置の製造方法。 - 前記Si酸化物はSiOで形成され、
前記ウェットエッチング工程では、フッ酸を含む薬液を用いることを特徴とする請求項3に記載の半導体装置の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012249414A JP6094159B2 (ja) | 2012-11-13 | 2012-11-13 | 半導体装置の製造方法 |
TW102127044A TWI620322B (zh) | 2012-11-13 | 2013-07-29 | 半導體裝置的製造方法 |
US13/953,857 US8912099B2 (en) | 2012-11-13 | 2013-07-30 | Method of manufacturing semiconductor device |
DE102013217565.5A DE102013217565B4 (de) | 2012-11-13 | 2013-09-03 | Verfahren zum Herstellen einer Halbleitervorrichtung |
CN201310558981.7A CN103811337B (zh) | 2012-11-13 | 2013-11-12 | 半导体装置的制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012249414A JP6094159B2 (ja) | 2012-11-13 | 2012-11-13 | 半導体装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014099463A JP2014099463A (ja) | 2014-05-29 |
JP6094159B2 true JP6094159B2 (ja) | 2017-03-15 |
Family
ID=50556023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012249414A Active JP6094159B2 (ja) | 2012-11-13 | 2012-11-13 | 半導体装置の製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8912099B2 (ja) |
JP (1) | JP6094159B2 (ja) |
CN (1) | CN103811337B (ja) |
DE (1) | DE102013217565B4 (ja) |
TW (1) | TWI620322B (ja) |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5923565A (ja) * | 1982-07-30 | 1984-02-07 | Hitachi Ltd | 半導体装置の製法 |
US4670090A (en) * | 1986-01-23 | 1987-06-02 | Rockwell International Corporation | Method for producing a field effect transistor |
JPS6453581A (en) * | 1987-08-25 | 1989-03-01 | Sumitomo Electric Industries | Manufacture of self-alignment type source-drain asymmetrical fet |
JPH0212838A (ja) | 1988-06-29 | 1990-01-17 | Nec Corp | 半導体装置の製造方法 |
JPH02177333A (ja) * | 1988-12-27 | 1990-07-10 | Mitsubishi Electric Corp | 電界効果トランジスタの製造方法 |
JPH02213144A (ja) * | 1989-02-14 | 1990-08-24 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
JPH02220449A (ja) | 1989-02-21 | 1990-09-03 | Sumitomo Electric Ind Ltd | 電界効果トランジスタおよびその製造方法 |
JP2550412B2 (ja) | 1989-05-15 | 1996-11-06 | ローム株式会社 | 電界効果トランジスタの製造方法 |
JPH03147337A (ja) * | 1989-11-02 | 1991-06-24 | New Japan Radio Co Ltd | ショットキーバリアゲート型fetの製造方法 |
JPH0758060A (ja) * | 1993-08-10 | 1995-03-03 | Murata Mfg Co Ltd | 半導体デバイスの製造方法 |
JP3239202B2 (ja) * | 1995-12-01 | 2001-12-17 | シャープ株式会社 | Mosトランジスタ及びその製造方法 |
TW336345B (en) * | 1997-10-28 | 1998-07-11 | Mos Electronics Taiwan Inc | Nitride cap amorphous silicon spacer local oxidation |
KR100332834B1 (ko) * | 2000-03-29 | 2002-04-15 | 윤덕용 | 비등방성 식각을 이용한 서브마이크론 게이트 제조 방법 |
JP2002043312A (ja) * | 2000-07-19 | 2002-02-08 | Seiko Epson Corp | 半導体装置の製造方法 |
KR100349364B1 (ko) * | 2000-11-16 | 2002-08-21 | 주식회사 하이닉스반도체 | 반도체 소자의 게이트 제조방법 |
US7473947B2 (en) * | 2002-07-12 | 2009-01-06 | Intel Corporation | Process for ultra-thin body SOI devices that incorporate EPI silicon tips and article made thereby |
US6774000B2 (en) * | 2002-11-20 | 2004-08-10 | International Business Machines Corporation | Method of manufacture of MOSFET device with in-situ doped, raised source and drain structures |
US6844238B2 (en) * | 2003-03-26 | 2005-01-18 | Taiwan Semiconductor Manufacturing Co., Ltd | Multiple-gate transistors with improved gate control |
US7718500B2 (en) * | 2005-12-16 | 2010-05-18 | Chartered Semiconductor Manufacturing, Ltd | Formation of raised source/drain structures in NFET with embedded SiGe in PFET |
JP2008193005A (ja) * | 2007-02-07 | 2008-08-21 | Eudyna Devices Inc | 半導体装置の製造方法 |
US20090032880A1 (en) * | 2007-08-03 | 2009-02-05 | Applied Materials, Inc. | Method and apparatus for tunable isotropic recess etching of silicon materials |
US7834345B2 (en) * | 2008-09-05 | 2010-11-16 | Taiwan Semiconductor Manufacturing Company, Ltd. | Tunnel field-effect transistors with superlattice channels |
JP5521447B2 (ja) * | 2009-09-07 | 2014-06-11 | 富士通株式会社 | 半導体装置の製造方法 |
JP5635803B2 (ja) * | 2010-05-07 | 2014-12-03 | トランスフォーム・ジャパン株式会社 | 化合物半導体装置の製造方法及び化合物半導体装置 |
CN102443395B (zh) * | 2010-09-30 | 2016-01-20 | 韩国泰科诺赛美材料株式会社 | 用于湿法蚀刻二氧化硅的组合物 |
-
2012
- 2012-11-13 JP JP2012249414A patent/JP6094159B2/ja active Active
-
2013
- 2013-07-29 TW TW102127044A patent/TWI620322B/zh active
- 2013-07-30 US US13/953,857 patent/US8912099B2/en active Active
- 2013-09-03 DE DE102013217565.5A patent/DE102013217565B4/de active Active
- 2013-11-12 CN CN201310558981.7A patent/CN103811337B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20140134835A1 (en) | 2014-05-15 |
TWI620322B (zh) | 2018-04-01 |
CN103811337B (zh) | 2017-07-14 |
DE102013217565B4 (de) | 2019-06-19 |
US8912099B2 (en) | 2014-12-16 |
DE102013217565A1 (de) | 2014-05-15 |
CN103811337A (zh) | 2014-05-21 |
JP2014099463A (ja) | 2014-05-29 |
TW201421686A (zh) | 2014-06-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5105824B2 (ja) | マスク構造物の形成方法及びこれを利用した微細パターン形成方法 | |
JP5296672B2 (ja) | ストレッサを備える構造及びその製造方法 | |
JP5531432B2 (ja) | 化合物半導体装置及びその製造方法 | |
KR100647459B1 (ko) | 티형 또는 감마형 게이트 전극의 제조방법 | |
JP6393758B2 (ja) | 低減された出力キャパシタンスを有するGaNデバイスおよびこれを作製するためのプロセス | |
KR101775560B1 (ko) | 전계효과 트랜지스터 및 그 제조 방법 | |
JP2010238982A (ja) | 化合物半導体装置及びその製造方法 | |
US8324037B1 (en) | Fabrication methods for HEMT devices and circuits on compound semiconductor materials | |
US20130069127A1 (en) | Field effect transistor and fabrication method thereof | |
KR101848244B1 (ko) | 계단형 게이트 전극을 포함하는 반도체 소자 및 그 제조 방법 | |
TWI674631B (zh) | 半導體裝置及其製造方法 | |
US20050258459A1 (en) | Method for fabricating semiconductor devices having a substrate which includes group III-nitride material | |
CN111952366A (zh) | 场效应晶体管及其制备方法 | |
JP7019922B2 (ja) | 半導体装置の製造方法 | |
JP6094159B2 (ja) | 半導体装置の製造方法 | |
KR101264927B1 (ko) | 반도체 소자의 제조 방법 | |
JP2008311260A (ja) | 半導体装置の製造方法 | |
JP5857659B2 (ja) | 半導体素子の製造方法 | |
JP6957982B2 (ja) | 半導体装置及びその製造方法 | |
TWI679699B (zh) | 半導體裝置之製造方法 | |
JP4534763B2 (ja) | 半導体素子の製造方法 | |
KR20100000586A (ko) | 전계효과트랜지스터(초고주파 집적회로소자)의제조방법 | |
KR101875513B1 (ko) | 이중 t 게이트 구조의 반도체 소자의 제조 방법 | |
JP2004055677A (ja) | 電界効果トランジスタのゲート電極とその作製方法 | |
JP2007234803A (ja) | 半導体装置の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20150828 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20160706 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20160712 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160812 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20170117 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170130 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6094159 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |