DE69321455T2 - Verfahren für die selektive Ätzung von GaAs auf AlGaAs - Google Patents
Verfahren für die selektive Ätzung von GaAs auf AlGaAsInfo
- Publication number
- DE69321455T2 DE69321455T2 DE69321455T DE69321455T DE69321455T2 DE 69321455 T2 DE69321455 T2 DE 69321455T2 DE 69321455 T DE69321455 T DE 69321455T DE 69321455 T DE69321455 T DE 69321455T DE 69321455 T2 DE69321455 T2 DE 69321455T2
- Authority
- DE
- Germany
- Prior art keywords
- algaas
- gaas
- selective etching
- etching
- selective
- 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 - Fee Related
Links
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 title 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 title 1
- 238000005530 etching Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- H01L21/30—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
- H01L21/30612—Etching of AIIIBV compounds
- H01L21/30621—Vapour phase etching
Landscapes
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Drying Of Semiconductors (AREA)
- Junction Field-Effect Transistors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/982,194 US5380398A (en) | 1992-11-25 | 1992-11-25 | Method for selectively etching AlGaAs |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69321455D1 DE69321455D1 (de) | 1998-11-12 |
DE69321455T2 true DE69321455T2 (de) | 1999-05-12 |
Family
ID=25528923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69321455T Expired - Fee Related DE69321455T2 (de) | 1992-11-25 | 1993-11-18 | Verfahren für die selektive Ätzung von GaAs auf AlGaAs |
Country Status (4)
Country | Link |
---|---|
US (1) | US5380398A (de) |
EP (1) | EP0607662B1 (de) |
JP (1) | JP2823790B2 (de) |
DE (1) | DE69321455T2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2310755A (en) * | 1996-02-28 | 1997-09-03 | Sharp Kk | A method of etching a semiconductor structure |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4326911A (en) * | 1980-01-29 | 1982-04-27 | Bell Telephone Laboratories, Incorporated | Reactive ion etching of III-V compounds including InP, GaAs-InP and GaAlAs |
GB8516984D0 (en) * | 1985-07-04 | 1985-08-07 | British Telecomm | Etching method |
EP0348944B1 (de) * | 1988-06-28 | 1997-10-22 | Nec Corporation | Halbleitervorrichtung mit Verbindungshalbleiterfet mit E/D-Struktur mit hoher Geräuschmarge |
JPH04105319A (ja) * | 1990-08-24 | 1992-04-07 | Sony Corp | 選択エッチング方法 |
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 |
-
1992
- 1992-11-25 US US07/982,194 patent/US5380398A/en not_active Expired - Lifetime
-
1993
- 1993-11-18 DE DE69321455T patent/DE69321455T2/de not_active Expired - Fee Related
- 1993-11-18 EP EP93309218A patent/EP0607662B1/de not_active Expired - Lifetime
- 1993-11-22 JP JP5314019A patent/JP2823790B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH06224157A (ja) | 1994-08-12 |
EP0607662B1 (de) | 1998-10-07 |
JP2823790B2 (ja) | 1998-11-11 |
DE69321455D1 (de) | 1998-11-12 |
EP0607662A1 (de) | 1994-07-27 |
US5380398A (en) | 1995-01-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3883508D1 (de) | Stossstange für Fahrzeug. | |
DE69315791D1 (de) | Verfahren für die Stabilisierung von Phosphatliganden | |
DE3856395T2 (de) | Entschichtungsverfahren für Lackmaske | |
DE3778749D1 (de) | Einstufiges verfahren zur inertgas-reinigung. | |
DE68905267D1 (de) | Halbleiteranordnung von metallhoecker-typ und verfahren zu deren herstellung. | |
DE69022540D1 (de) | Verfahren zur 1,2 Dehydrogenierung der Azasteroiden. | |
DE3875362D1 (de) | Verfahren fuer die klaerschlammbehandlung. | |
IT8821076A0 (it) | Processo catalitico per laproduzione di ossime. | |
DE69311192D1 (de) | Verfahren zur selektiven Hydrierung von Kohlenwasserstoffen | |
DE69017587D1 (de) | Verfahren zur Entfernung von Dimeren von Chloropren aus Polychloropren. | |
DE69322199D1 (de) | Vorrichtung und Verfahren für die Übersetzung von Druckersprachen | |
DE69401370D1 (de) | Ätzverfahren für Halbleiter | |
DE3876071D1 (de) | Verfahren zur herstellung von edelmetalloxydations-katalysatoren. | |
DE69300317D1 (de) | Photolackentschichtungsverfahren. | |
DE68924109D1 (de) | Verfahren und System für die Überwachung der Anzahl von freien Puffern. | |
DE3879150D1 (de) | Verfahren zur katalytischen hydratation von olefinen. | |
DE68909824D1 (de) | Verfahren und Vorrichtung für die automatische Frequenzregelung von Halbleiterlasern. | |
DE59006898D1 (de) | Verfahren zur Autoverschrottung. | |
DE69309715D1 (de) | Katalysatorsystem für die cycloolefin-polymerisation | |
DE68916752D1 (de) | Verkleidungsteil für Fahrzeuge. | |
DE68921122D1 (de) | Verfahren für Expertensysteme. | |
DE68919046D1 (de) | Zierleiste für Fahrzeuge. | |
DE69313221T2 (de) | Verfahren für die Kontrolle einer Hydroformylierungsreaktion | |
DE69229749T2 (de) | Trockenätzverfahren für GaAs | |
DE69217967D1 (de) | Reaktor für katalytische Verfahren |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |