CH408587A - Verfahren zur Herstellung eines Ätzmittels und Ätzmittel, hergestellt nach diesem Verfahren - Google Patents
Verfahren zur Herstellung eines Ätzmittels und Ätzmittel, hergestellt nach diesem VerfahrenInfo
- Publication number
- CH408587A CH408587A CH851061A CH851061A CH408587A CH 408587 A CH408587 A CH 408587A CH 851061 A CH851061 A CH 851061A CH 851061 A CH851061 A CH 851061A CH 408587 A CH408587 A CH 408587A
- Authority
- CH
- Switzerland
- Prior art keywords
- etchant
- producing
- produced
- etchant produced
- Prior art date
Links
- 238000004519 manufacturing process 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- ing And Chemical Polishing (AREA)
- Weting (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1960S0071426 DE1246353B (de) | 1960-11-26 | 1960-11-26 | Verwendung eines die Viskositaet erhoehenden Mittels in einer AEtzfluessigkeit |
Publications (1)
Publication Number | Publication Date |
---|---|
CH408587A true CH408587A (de) | 1966-02-28 |
Family
ID=7502457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH851061A CH408587A (de) | 1960-11-26 | 1961-07-20 | Verfahren zur Herstellung eines Ätzmittels und Ätzmittel, hergestellt nach diesem Verfahren |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH408587A (de) |
DE (1) | DE1246353B (de) |
GB (1) | GB967246A (de) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1993920A (en) * | 1933-09-18 | 1935-03-12 | Costa Frank | Etching compound |
US2687345A (en) * | 1950-11-22 | 1954-08-24 | Printing Dev Inc | Etching composition for lithographic plates |
FR1105508A (fr) * | 1953-05-20 | 1955-12-05 | Dow Chemical Co | Perfectionnements à un procédé de gravure sur métaux et à un bain de gravure utilisé dans ce procédé |
-
1960
- 1960-11-26 DE DE1960S0071426 patent/DE1246353B/de active Pending
-
1961
- 1961-07-20 CH CH851061A patent/CH408587A/de unknown
- 1961-11-23 GB GB4200961A patent/GB967246A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB967246A (en) | 1964-08-19 |
DE1246353B (de) | 1967-08-03 |
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