DE69930135T2 - Pseudomorphe transistoren mit hoher elektronenbeweglichkeit - Google Patents
Pseudomorphe transistoren mit hoher elektronenbeweglichkeit Download PDFInfo
- Publication number
- DE69930135T2 DE69930135T2 DE69930135T DE69930135T DE69930135T2 DE 69930135 T2 DE69930135 T2 DE 69930135T2 DE 69930135 T DE69930135 T DE 69930135T DE 69930135 T DE69930135 T DE 69930135T DE 69930135 T2 DE69930135 T2 DE 69930135T2
- Authority
- DE
- Germany
- Prior art keywords
- layer
- etch
- etchant
- etch stop
- stop 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.)
- Expired - Lifetime
Links
- 239000010410 layer Substances 0.000 claims description 202
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 52
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims description 47
- 229910005540 GaP Inorganic materials 0.000 claims description 25
- 239000011241 protective layer Substances 0.000 claims description 25
- FTWRSWRBSVXQPI-UHFFFAOYSA-N alumanylidynearsane;gallanylidynearsane Chemical compound [As]#[Al].[As]#[Ga] FTWRSWRBSVXQPI-UHFFFAOYSA-N 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 18
- 238000005530 etching Methods 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 17
- 230000004888 barrier function Effects 0.000 claims description 14
- 230000005669 field effect Effects 0.000 claims description 14
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 claims description 12
- KXNLCSXBJCPWGL-UHFFFAOYSA-N [Ga].[As].[In] Chemical compound [Ga].[As].[In] KXNLCSXBJCPWGL-UHFFFAOYSA-N 0.000 claims description 12
- 238000000151 deposition Methods 0.000 claims description 6
- HZXMRANICFIONG-UHFFFAOYSA-N gallium phosphide Chemical compound [Ga]#P HZXMRANICFIONG-UHFFFAOYSA-N 0.000 claims description 6
- 229910052738 indium Inorganic materials 0.000 claims description 6
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 6
- 230000008021 deposition Effects 0.000 claims description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 27
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- 238000001312 dry etching Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 238000001039 wet etching Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- 239000000908 ammonium hydroxide Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000000609 electron-beam lithography Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000003631 wet chemical etching Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/015—Manufacture or treatment of FETs having heterojunction interface channels or heterojunction gate electrodes, e.g. HEMT
-
- 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
- H01L21/28587—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 characterised by the sectional shape, e.g. T, inverted T
-
- 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]
- H10D30/473—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having confinement of carriers by multiple heterojunctions, e.g. quantum well HEMT
- H10D30/4732—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having confinement of carriers by multiple heterojunctions, e.g. quantum well HEMT using Group III-V semiconductor material
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Junction Field-Effect Transistors (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/163,124 US6087207A (en) | 1998-09-29 | 1998-09-29 | Method of making pseudomorphic high electron mobility transistors |
| US163124 | 1998-09-29 | ||
| PCT/US1999/021135 WO2000019512A1 (en) | 1998-09-29 | 1999-09-15 | Pseudomorphic high electron mobility transistors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69930135D1 DE69930135D1 (de) | 2006-04-27 |
| DE69930135T2 true DE69930135T2 (de) | 2006-12-07 |
Family
ID=22588591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69930135T Expired - Lifetime DE69930135T2 (de) | 1998-09-29 | 1999-09-15 | Pseudomorphe transistoren mit hoher elektronenbeweglichkeit |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6087207A (enExample) |
| EP (2) | EP1131849B1 (enExample) |
| JP (1) | JP4874461B2 (enExample) |
| AU (1) | AU5923899A (enExample) |
| DE (1) | DE69930135T2 (enExample) |
| WO (1) | WO2000019512A1 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6703638B2 (en) * | 2001-05-21 | 2004-03-09 | Tyco Electronics Corporation | Enhancement and depletion-mode phemt device having two ingap etch-stop layers |
| JP4371668B2 (ja) * | 2003-02-13 | 2009-11-25 | 三菱電機株式会社 | 半導体装置 |
| WO2005043695A2 (en) * | 2003-10-20 | 2005-05-12 | Binoptics Corporation | Surface emitting and receiving photonic device |
| WO2006025006A1 (en) * | 2004-08-31 | 2006-03-09 | Koninklijke Philips Electronics N.V. | Method for producing a multi-stage recess in a layer structure and a field effect transistor with a multi-recessed gate |
| US20060175631A1 (en) * | 2005-02-04 | 2006-08-10 | Raytheon Company | Monolithic integrated circuit having enhanced breakdown voltage |
| JP2008060397A (ja) * | 2006-08-31 | 2008-03-13 | Nec Electronics Corp | 電界効果トランジスタおよびその製造方法 |
| KR100853166B1 (ko) * | 2007-01-30 | 2008-08-20 | 포항공과대학교 산학협력단 | 전계효과형 화합물 반도체 소자의 제조 방법 |
| JP2010135590A (ja) * | 2008-12-05 | 2010-06-17 | Renesas Electronics Corp | 電界効果トランジスタ |
| GB201112330D0 (en) | 2011-07-18 | 2011-08-31 | Epigan Nv | Method for growing III-V epitaxial layers and semiconductor structure |
| US8901606B2 (en) | 2012-04-30 | 2014-12-02 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Pseudomorphic high electron mobility transistor (pHEMT) comprising low temperature buffer layer |
| US8853743B2 (en) | 2012-11-16 | 2014-10-07 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Pseudomorphic high electron mobility transistor comprising doped low temperature buffer layer |
| CN106715589B (zh) * | 2014-09-26 | 2021-05-11 | 积水化学工业株式会社 | 阻燃性聚氨酯树脂组合物 |
| US9461159B1 (en) | 2016-01-14 | 2016-10-04 | Northrop Grumman Systems Corporation | Self-stop gate recess etching process for semiconductor field effect transistors |
| DE112017007134T5 (de) * | 2017-02-27 | 2019-11-21 | Mitsubishi Electric Corp. | Halbleitervorrichtung und Verfahren zu deren Herstellung |
| US11145735B2 (en) * | 2019-10-11 | 2021-10-12 | Raytheon Company | Ohmic alloy contact region sealing layer |
| CN113363255B (zh) * | 2021-06-02 | 2024-02-27 | 厦门市三安集成电路有限公司 | 一种半导体器件及其制备方法 |
| CN113363254B (zh) * | 2021-06-02 | 2024-06-18 | 厦门市三安集成电路有限公司 | 一种半导体器件及其制备方法 |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH023938A (ja) * | 1988-06-20 | 1990-01-09 | Mitsubishi Electric Corp | 電界効果トランジスタ |
| JP2691619B2 (ja) * | 1989-07-19 | 1997-12-17 | 富士通株式会社 | 化合物半導体装置及びその製造方法 |
| JPH04167439A (ja) * | 1990-10-30 | 1992-06-15 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
| JP2523985B2 (ja) * | 1990-11-16 | 1996-08-14 | 三菱電機株式会社 | 半導体装置の製造方法 |
| JPH0582560A (ja) * | 1991-09-20 | 1993-04-02 | Sony Corp | 電界効果型トランジスタの製造方法 |
| US5212704A (en) * | 1991-11-27 | 1993-05-18 | At&T Bell Laboratories | Article comprising a strained layer quantum well laser |
| US5352909A (en) * | 1991-12-19 | 1994-10-04 | Nec Corporation | Field effect transistor and method for manufacturing the same |
| US5508535A (en) * | 1992-01-09 | 1996-04-16 | Mitsubishi Denki Kabushiki Kaisha | Compound semiconductor devices |
| JP2978972B2 (ja) * | 1992-03-12 | 1999-11-15 | 富士通株式会社 | 半導体装置の製造方法 |
| JP3129510B2 (ja) * | 1992-03-19 | 2001-01-31 | 富士通株式会社 | InGaPのエッチング方法及びそのエッチング方法を用いた半導体装置の製造方法 |
| JPH06196504A (ja) * | 1992-12-24 | 1994-07-15 | Rohm Co Ltd | 半導体装置およびその製造方法 |
| US5364816A (en) * | 1993-01-29 | 1994-11-15 | The United States Of America As Represented By The Secretary Of The Navy | Fabrication method for III-V heterostructure field-effect transistors |
| GB2275569B (en) * | 1993-02-24 | 1996-08-07 | Toshiba Cambridge Res Center | Semiconductor device and method of making same |
| US5324682A (en) * | 1993-04-29 | 1994-06-28 | Texas Instruments Incorporated | Method of making an integrated circuit capable of low-noise and high-power microwave operation |
| JPH07142685A (ja) * | 1993-06-17 | 1995-06-02 | Fujitsu Ltd | 半導体集積回路装置とその製造方法 |
| JP2500459B2 (ja) * | 1993-06-24 | 1996-05-29 | 日本電気株式会社 | ヘテロ接合電界効果トランジスタ |
| JPH0742685A (ja) * | 1993-08-02 | 1995-02-10 | Sanyo Electric Co Ltd | 内部高圧型圧縮機 |
| JPH07202173A (ja) * | 1993-12-28 | 1995-08-04 | Fujitsu Ltd | 半導体装置及びその製造方法 |
| JP3294411B2 (ja) * | 1993-12-28 | 2002-06-24 | 富士通株式会社 | 半導体装置の製造方法 |
| JP2581452B2 (ja) * | 1994-06-06 | 1997-02-12 | 日本電気株式会社 | 電界効果トランジスタ |
| JPH0831844A (ja) * | 1994-07-11 | 1996-02-02 | Murata Mfg Co Ltd | 半導体装置の製造方法 |
| JP2685032B2 (ja) * | 1995-06-09 | 1997-12-03 | 日本電気株式会社 | 電界効果トランジスタ及びその製造方法 |
| JP2716015B2 (ja) * | 1995-07-27 | 1998-02-18 | 日本電気株式会社 | 電界効果トランジスタの製造方法 |
| JP3616447B2 (ja) * | 1996-02-27 | 2005-02-02 | 富士通株式会社 | 半導体装置 |
| JPH09246532A (ja) * | 1996-03-14 | 1997-09-19 | Fujitsu Ltd | 化合物半導体装置の製造方法 |
| JP2780704B2 (ja) * | 1996-06-14 | 1998-07-30 | 日本電気株式会社 | 半導体装置の製造方法 |
| JPH1050729A (ja) * | 1996-07-29 | 1998-02-20 | Mitsubishi Electric Corp | 半導体装置,及びその製造方法 |
| JPH1056168A (ja) * | 1996-08-08 | 1998-02-24 | Mitsubishi Electric Corp | 電界効果トランジスタ |
| JP3377022B2 (ja) * | 1997-01-23 | 2003-02-17 | 日本電信電話株式会社 | ヘテロ接合型電界効果トランジスタの製造方法 |
| WO1999027586A2 (en) * | 1997-11-26 | 1999-06-03 | The Whitaker Corporation | INxGa1-xP STOP-ETCH LAYER FOR SELECTIVE RECESS OF GALLIUM ARSENIDE-BASED EPTITAXIAL FIELD EFFECT TRANSISTORS AND PROCESS THEREFOR |
-
1998
- 1998-09-29 US US09/163,124 patent/US6087207A/en not_active Expired - Lifetime
-
1999
- 1999-09-15 WO PCT/US1999/021135 patent/WO2000019512A1/en not_active Ceased
- 1999-09-15 EP EP99946936A patent/EP1131849B1/en not_active Expired - Lifetime
- 1999-09-15 JP JP2000572921A patent/JP4874461B2/ja not_active Expired - Lifetime
- 1999-09-15 AU AU59238/99A patent/AU5923899A/en not_active Abandoned
- 1999-09-15 EP EP05077484A patent/EP1630860A3/en not_active Ceased
- 1999-09-15 DE DE69930135T patent/DE69930135T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1131849B1 (en) | 2006-03-01 |
| EP1131849A2 (en) | 2001-09-12 |
| EP1131849A4 (en) | 2002-10-28 |
| DE69930135D1 (de) | 2006-04-27 |
| JP2002526922A (ja) | 2002-08-20 |
| US6087207A (en) | 2000-07-11 |
| WO2000019512A8 (en) | 2000-09-28 |
| AU5923899A (en) | 2000-04-17 |
| WO2000019512A1 (en) | 2000-04-06 |
| JP4874461B2 (ja) | 2012-02-15 |
| EP1630860A3 (en) | 2008-03-05 |
| EP1630860A2 (en) | 2006-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE68924132T2 (de) | Halbleiterbauteil und Verfahren zur dessen Herstellung. | |
| DE69930135T2 (de) | Pseudomorphe transistoren mit hoher elektronenbeweglichkeit | |
| DE69326262T2 (de) | Verbindungshalbleiterbauelemente | |
| DE69126463T2 (de) | Verfahren zur Herstellung eines leitenden Elements | |
| DE3881922T2 (de) | Zusammengesetzte Halbleiteranordnung mit nicht-legierten ohmschen Kontakten. | |
| DE69325673T2 (de) | Feldeffekttransistor | |
| DE69835204T2 (de) | ENTWURF UND HERSTELLUNG VON ELEKTRONISCHEN ANORDNUNGEN MIT InAlAsSb/AlSb BARRIERE | |
| EP0000327A1 (de) | Verfahren zum Herstellen von integrierten Halbleiteranordnungen durch Anwendung einer auf Selbstausrichtung basierenden Maskierungstechnik | |
| DE3939319A1 (de) | Asymmetrischer feldeffekttransistor und verfahren zu seiner herstellung | |
| DE68922653T2 (de) | Herstellungsverfahren von Metall-Halbleiter Feldeffekttransistoren. | |
| DE19846063A1 (de) | Verfahren zur Herstellung eines Double-Gate MOSFETs | |
| DE69434162T2 (de) | Verfahren zur Herstellung einer Gate-Elektrode aus schwerschmelzendem Metall | |
| DE69531228T2 (de) | Verfahren zur Herstellung eines MESFETS mit einer T-förmigen Gate-Elektrode und dadurch hergestelltes Bauelement | |
| DE3884896T2 (de) | Verbindungshalbleiter-MESFET. | |
| DE69322000T2 (de) | Verfahren zur Herstellung eines bipolaren Heteroübergangstransistors und so erhaltener Transistor | |
| DE69511958T2 (de) | Verfahren zum Herstellen einer Halbleitervorrichtung mit mindestens zwei feldeffekttransitoren verschiedener Abschnürspannung | |
| DE69223376T2 (de) | Verbindungshalbleiterbauelement und Verfahren zu seiner Herstellung | |
| DE69227712T2 (de) | Verfahren zur Realisierung eines Transistors mit hoher Elektronenbeweglichkeit | |
| DE69132301T2 (de) | Verfahren zur Herstellung eines Verbindungshalbleiterbauelements und damit hergestelltes Verbindungshalbleiterbauelement | |
| DE4400233C2 (de) | Feldeffekttransistor | |
| DE3736009C2 (de) | Sperrschicht-FET | |
| DE3538855C2 (enExample) | ||
| DE3880443T2 (de) | Feldeffekttransistor. | |
| DE2824026A1 (de) | Verfahren zum herstellen eines sperrschicht-feldeffekttransistors | |
| EP0136494A1 (de) | Gallium-Indium-Arsenid-Feldeffekttransistor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: SKYWORKS SOLUTIONS INC., WOBURN, MASS., US |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: SKYWORKS SOLUTIONS, INC., WOBURN, MASS., US |