JP5496635B2 - 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
- JP5496635B2 JP5496635B2 JP2009284464A JP2009284464A JP5496635B2 JP 5496635 B2 JP5496635 B2 JP 5496635B2 JP 2009284464 A JP2009284464 A JP 2009284464A JP 2009284464 A JP2009284464 A JP 2009284464A JP 5496635 B2 JP5496635 B2 JP 5496635B2
- Authority
- JP
- Japan
- Prior art keywords
- insulating film
- gate insulating
- forming
- gan
- semiconductor layer
- 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 73
- 238000004519 manufacturing process Methods 0.000 title claims description 30
- 238000000034 method Methods 0.000 claims description 47
- 230000001681 protective effect Effects 0.000 claims description 41
- 239000000758 substrate Substances 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 29
- 239000012670 alkaline solution Substances 0.000 claims description 27
- 238000000206 photolithography Methods 0.000 claims description 22
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 19
- 238000009832 plasma treatment Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 9
- 230000008021 deposition Effects 0.000 claims description 6
- 238000011161 development Methods 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 3
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 3
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 48
- 229910002601 GaN Inorganic materials 0.000 description 46
- 238000005530 etching Methods 0.000 description 32
- 238000000231 atomic layer deposition Methods 0.000 description 14
- 230000003628 erosive effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 238000005259 measurement Methods 0.000 description 10
- 230000015556 catabolic process Effects 0.000 description 9
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 9
- 230000007547 defect Effects 0.000 description 8
- 229910002704 AlGaN Inorganic materials 0.000 description 7
- 238000004544 sputter deposition Methods 0.000 description 6
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- NWAIGJYBQQYSPW-UHFFFAOYSA-N azanylidyneindigane Chemical compound [In]#N NWAIGJYBQQYSPW-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- OEYIOHPDSNJKLS-UHFFFAOYSA-N choline Chemical compound C[N+](C)(C)CCO OEYIOHPDSNJKLS-UHFFFAOYSA-N 0.000 description 2
- 229960001231 choline Drugs 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 description 1
Images
Classifications
-
- 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
- H01L29/7789—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface the two-dimensional charge carrier gas being at least partially not parallel to a main surface of the 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
- H01L29/66—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
- 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
-
- 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
- H01L29/7788—Vertical 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
- H01L29/02—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
- H01L29/40—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
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42356—Disposition, e.g. buried gate electrode
- H01L29/4236—Disposition, e.g. buried gate electrode within a trench, e.g. trench gate electrode, groove gate electrode
-
- 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
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/511—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures
- H01L29/513—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures the variation being perpendicular to the channel plane
-
- 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
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/517—Insulating materials associated therewith the insulating material comprising a metallic compound, e.g. metal oxide, metal silicate
Landscapes
- Microelectronics & Electronic Packaging (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Computer Hardware Design (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Formation Of Insulating Films (AREA)
- Junction Field-Effect Transistors (AREA)
- Thin Film Transistor (AREA)
Description
12 GaN電子走行層
14 AlGaN電子供給層
15、52 GaN系半導体層
16 GaNキャップ層
18 ゲート絶縁膜
19 保護膜
20 ソース電極
22 ドレイン電極
24 ゲート電極
54 絶縁膜
56 電極
Claims (7)
- 基板上にGaN系半導体層を形成する工程と、
前記GaN系半導体層上に酸化アルミニウムからなるゲート絶縁膜を450℃以下の成膜温度で形成する工程と、
前記ゲート絶縁膜の上面に保護膜を形成する工程と、
前記ゲート絶縁膜の上面が前記保護膜に覆われた状態で、前記ゲート絶縁膜を形成する工程の後の最初のアルカリ溶液を用いた処理を実行する工程と、
前記ゲート絶縁膜上にゲート電極を形成する工程と、を有し、
前記ゲート電極を形成する工程はフォトリソグラフィ法を用いた工程であり、
前記アルカリ溶液を用いた処理は前記フォトリソグラフィ法の現像処理であることを特徴とする半導体装置の製造方法。 - 前記保護膜は、酸化シリコン、酸窒化シリコン、酸化ハフニウムまたは酸化ジルコニウムのいずれかからなることを特徴とする請求項1記載の半導体装置の製造方法。
- 基板上にGaN系半導体層を形成する工程と、
前記GaN系半導体層上に酸化アルミニウムからなるゲート絶縁膜を450℃以下の成膜温度で形成する工程と、
前記ゲート絶縁膜を700℃以上で熱処理する工程と、
前記熱処理する工程の後、前記ゲート絶縁膜を形成する工程の後の最初のアルカリ溶液を用いた処理を実行する工程と、
前記ゲート絶縁膜上にゲート電極を形成する工程と、を有し、
前記ゲート電極を形成する工程はフォトリソグラフィ法を用いた工程であり、
前記アルカリ溶液を用いた処理は前記フォトリソグラフィ法の現像処理であることを特徴とする半導体装置の製造方法。 - 基板上にGaN系半導体層を形成する工程と、
前記GaN系半導体層上に酸化アルミニウムからなるゲート絶縁膜を450℃以下の成膜温度で形成する工程と、
前記ゲート絶縁膜をO2またはN2を用いプラズマ処理する工程と、
前記プラズマ処理する工程の後、前記ゲート絶縁膜を形成する工程の後の最初のアルカリ溶液を用いた処理を実行する工程と、
前記ゲート絶縁膜上にゲート電極を形成する工程と、を有し、
前記ゲート電極を形成する工程はフォトリソグラフィ法を用いた工程であり、
前記アルカリ溶液を用いた処理は前記フォトリソグラフィ法の現像処理であり、
前記ゲート絶縁膜はALD法により形成されることを特徴とする半導体装置の製造方法。 - 前記GaN系半導体層上にソース電極及びドレイン電極を形成する工程を含むことを特徴とする請求項1から4いずれか一項記載の半導体装置の製造方法。
- 前記GaN系半導体層上にソース電極と、前記基板の前記GaN系半導体層が形成された面と前記基板を介して反対の面にドレイン電極とを形成する工程を含むことを特徴とする請求項1から4いずれか一項記載の半導体装置の製造方法。
- 前記プラズマ処理する工程のプラズマ処理時間は、5分以上であることを特徴とする請求項4記載の半導体装置の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009284464A JP5496635B2 (ja) | 2008-12-19 | 2009-12-15 | 半導体装置の製造方法 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008324798 | 2008-12-19 | ||
JP2008324798 | 2008-12-19 | ||
JP2009284464A JP5496635B2 (ja) | 2008-12-19 | 2009-12-15 | 半導体装置の製造方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010166040A JP2010166040A (ja) | 2010-07-29 |
JP2010166040A5 JP2010166040A5 (ja) | 2011-12-01 |
JP5496635B2 true JP5496635B2 (ja) | 2014-05-21 |
Family
ID=42266727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009284464A Active JP5496635B2 (ja) | 2008-12-19 | 2009-12-15 | 半導体装置の製造方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8748274B2 (ja) |
JP (1) | JP5496635B2 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5506036B2 (ja) | 2010-03-02 | 2014-05-28 | 古河電気工業株式会社 | 半導体トランジスタ |
JP2012094688A (ja) * | 2010-10-27 | 2012-05-17 | Sumitomo Electric Ind Ltd | 半導体装置およびその製造方法 |
JP2012104568A (ja) * | 2010-11-08 | 2012-05-31 | Sumitomo Electric Ind Ltd | 半導体装置およびその製造方法 |
KR101464909B1 (ko) | 2010-11-26 | 2014-11-24 | 후지쯔 가부시끼가이샤 | 반도체 장치 및 반도체 장치의 제조 방법 |
JP5839804B2 (ja) * | 2011-01-25 | 2016-01-06 | 国立大学法人東北大学 | 半導体装置の製造方法、および半導体装置 |
JP2012231003A (ja) * | 2011-04-26 | 2012-11-22 | Advanced Power Device Research Association | 半導体装置 |
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 |
JP2013140866A (ja) * | 2012-01-04 | 2013-07-18 | Renesas Electronics Corp | 半導体装置及び半導体装置の製造方法 |
CN102709320B (zh) * | 2012-02-15 | 2014-09-24 | 中山大学 | 纵向导通的GaN基MISFET 器件及其制作方法 |
JP6025242B2 (ja) * | 2012-03-30 | 2016-11-16 | 住友電工デバイス・イノベーション株式会社 | 半導体装置の製造方法 |
JP2014192493A (ja) | 2013-03-28 | 2014-10-06 | Toyoda Gosei Co Ltd | 半導体装置 |
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 |
JP6197427B2 (ja) | 2013-07-17 | 2017-09-20 | 豊田合成株式会社 | ショットキーバリアダイオード |
JP6241100B2 (ja) | 2013-07-17 | 2017-12-06 | 豊田合成株式会社 | Mosfet |
JP6235702B2 (ja) * | 2014-05-01 | 2017-11-22 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
CN106663634B (zh) * | 2015-03-30 | 2021-07-23 | 瑞萨电子株式会社 | 半导体器件及半导体器件的制造方法 |
US10784350B2 (en) * | 2016-03-23 | 2020-09-22 | Mitsubishi Electric Corporation | Semiconductor device and method for manufacturing semiconductor device |
JP6685890B2 (ja) * | 2016-12-19 | 2020-04-22 | 株式会社東芝 | 半導体装置及びその製造方法 |
CN115810663A (zh) * | 2021-09-14 | 2023-03-17 | 联华电子股份有限公司 | 高电子迁移率晶体管及其制作方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6909186B2 (en) * | 2003-05-01 | 2005-06-21 | International Business Machines Corporation | High performance FET devices and methods therefor |
US20060102931A1 (en) * | 2004-11-17 | 2006-05-18 | Thomas Edward Kopley | Field effect transistor having a carrier exclusion layer |
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 |
JP2008016762A (ja) * | 2006-07-10 | 2008-01-24 | Oki Electric Ind Co Ltd | GaN−HEMTの製造方法 |
JP5311765B2 (ja) * | 2006-09-15 | 2013-10-09 | 住友化学株式会社 | 半導体エピタキシャル結晶基板およびその製造方法 |
JP2008072029A (ja) * | 2006-09-15 | 2008-03-27 | Sumitomo Chemical Co Ltd | 半導体エピタキシャル結晶基板の製造方法 |
JP2008103408A (ja) * | 2006-10-17 | 2008-05-01 | Furukawa Electric Co Ltd:The | 窒化物化合物半導体トランジスタ及びその製造方法 |
JP5186776B2 (ja) | 2007-02-22 | 2013-04-24 | 富士通株式会社 | 半導体装置及びその製造方法 |
JP5048791B2 (ja) * | 2007-03-15 | 2012-10-17 | レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | フラットパネルディスプレイの製造のための銅相互接続 |
US8329541B2 (en) * | 2007-06-15 | 2012-12-11 | Taiwan Semiconductor Manufacturing Company, Ltd. | InP-based transistor fabrication |
JP4805299B2 (ja) * | 2008-03-28 | 2011-11-02 | 古河電気工業株式会社 | 電界効果トランジスタの製造方法 |
JP5030172B2 (ja) * | 2008-06-09 | 2012-09-19 | 株式会社神戸製鋼所 | 絶縁膜及びその製造方法、並びに絶縁膜を備えた電子デバイス |
-
2009
- 2009-12-15 JP JP2009284464A patent/JP5496635B2/ja active Active
- 2009-12-17 US US12/640,347 patent/US8748274B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2010166040A (ja) | 2010-07-29 |
US20100159656A1 (en) | 2010-06-24 |
US8748274B2 (en) | 2014-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5496635B2 (ja) | 半導体装置の製造方法 | |
US11699748B2 (en) | Normally-off HEMT transistor with selective generation of 2DEG channel, and manufacturing method thereof | |
JP5564815B2 (ja) | 半導体装置及び半導体装置の製造方法 | |
JP6468886B2 (ja) | 半導体装置の製造方法および半導体装置 | |
JP5323527B2 (ja) | GaN系電界効果トランジスタの製造方法 | |
JP5784440B2 (ja) | 半導体装置の製造方法及び半導体装置 | |
JP5670427B2 (ja) | GaNバッファ層におけるドーパント拡散変調 | |
JP5634681B2 (ja) | 半導体素子 | |
WO2010044430A1 (ja) | 半導体装置 | |
WO2010044431A1 (ja) | 半導体装置およびその製造方法 | |
TW201431080A (zh) | 半導體結構及其形成方法、化合物半導體結構 | |
JP2011082415A (ja) | Iii族窒化物系電界効果トランジスタおよびその製造方法 | |
JP4776162B2 (ja) | 高電子移動度トランジスタ及び高電子移動度トランジスタの製造方法 | |
JP5546104B2 (ja) | GaN系電界効果トランジスタ | |
US9755044B2 (en) | Method of manufacturing a transistor with oxidized cap layer | |
JP2019033204A (ja) | 半導体装置の製造方法および半導体装置 | |
JP2008171842A (ja) | 半導体電子デバイス | |
JP2006286698A (ja) | 電子デバイス及び電力変換装置 | |
JP5379391B2 (ja) | 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 | |
JP2011129607A (ja) | GaN系MOS型電界効果トランジスタ | |
JP2019009366A (ja) | 半導体装置および半導体装置の製造方法 | |
JP7057473B1 (ja) | 半導体装置および半導体装置の製造方法 | |
JP2010212495A (ja) | Iii族窒化物半導体からなるhfetの製造方法 | |
JP6156038B2 (ja) | 半導体装置の製造方法 | |
TWI748225B (zh) | 增強型高電子遷移率電晶體元件 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20111012 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20111012 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130830 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130903 |
|
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: 20140304 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140305 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5496635 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 |