FR2177554B1 - - Google Patents
Info
- Publication number
- FR2177554B1 FR2177554B1 FR7211038A FR7211038A FR2177554B1 FR 2177554 B1 FR2177554 B1 FR 2177554B1 FR 7211038 A FR7211038 A FR 7211038A FR 7211038 A FR7211038 A FR 7211038A FR 2177554 B1 FR2177554 B1 FR 2177554B1
- Authority
- FR
- France
- 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
Links
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
- H01L21/31—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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Weting (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7211038A FR2177554A1 (en) | 1972-03-29 | 1972-03-29 | Etching bath - for thin silicon nitride film masked with photopolymerisable lacquer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7211038A FR2177554A1 (en) | 1972-03-29 | 1972-03-29 | Etching bath - for thin silicon nitride film masked with photopolymerisable lacquer |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2177554A1 FR2177554A1 (en) | 1973-11-09 |
FR2177554B1 true FR2177554B1 (enrdf_load_html_response) | 1975-03-21 |
Family
ID=9096007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7211038A Granted FR2177554A1 (en) | 1972-03-29 | 1972-03-29 | Etching bath - for thin silicon nitride film masked with photopolymerisable lacquer |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2177554A1 (enrdf_load_html_response) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100252212B1 (ko) * | 1997-03-31 | 2000-04-15 | 윤종용 | 반도체장치 제조용 질화규소막의 식각조성물과이를 이용한 식각방법 및 그에 의하여 제조되는 반도체장치 |
-
1972
- 1972-03-29 FR FR7211038A patent/FR2177554A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2177554A1 (en) | 1973-11-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |