KR920018855A - GaAs 웨이퍼(wafer)의 에칭(etching)방법 - Google Patents
GaAs 웨이퍼(wafer)의 에칭(etching)방법 Download PDFInfo
- Publication number
- KR920018855A KR920018855A KR1019910004761A KR910004761A KR920018855A KR 920018855 A KR920018855 A KR 920018855A KR 1019910004761 A KR1019910004761 A KR 1019910004761A KR 910004761 A KR910004761 A KR 910004761A KR 920018855 A KR920018855 A KR 920018855A
- Authority
- KR
- South Korea
- Prior art keywords
- gaas wafer
- etching method
- predetermined time
- etching
- wafer
- Prior art date
Links
- 238000005530 etching Methods 0.000 title claims 3
- 238000000034 method Methods 0.000 title claims 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 title claims 2
- 239000012153 distilled water Substances 0.000 claims 1
- 238000007654 immersion Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 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
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)
- Weting (AREA)
- ing And Chemical Polishing (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (1)
- H2SO4: H2O2: H2O=5 : 1 :1 의 조성비율을 갖으며 초음파를 통해 골고루 혼합한 에칭(etching) 용액에, 웨이퍼(wafer) 담체(carrier)를 소정시간동안 액침(immersion)시키며 대기중에 들어올리는 과정을 소정의 시간동안에 반복해서 실시하는 한편, 최종 단계에서는 증류수로 린스(rinse) 시킴을 특징으로 하는 GaAs 웨이퍼(wafer)의 에칭(etching)방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910004761A KR930007970B1 (ko) | 1991-03-27 | 1991-03-27 | GaAs 웨이퍼(wafer)의 에칭(etching)방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910004761A KR930007970B1 (ko) | 1991-03-27 | 1991-03-27 | GaAs 웨이퍼(wafer)의 에칭(etching)방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920018855A true KR920018855A (ko) | 1992-10-22 |
KR930007970B1 KR930007970B1 (ko) | 1993-08-25 |
Family
ID=19312519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910004761A KR930007970B1 (ko) | 1991-03-27 | 1991-03-27 | GaAs 웨이퍼(wafer)의 에칭(etching)방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR930007970B1 (ko) |
-
1991
- 1991-03-27 KR KR1019910004761A patent/KR930007970B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR930007970B1 (ko) | 1993-08-25 |
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