FR2286211A1 - Procede pour eviter la formation de taches sur des plaques de cuivre - Google Patents
Procede pour eviter la formation de taches sur des plaques de cuivreInfo
- Publication number
- FR2286211A1 FR2286211A1 FR7432435A FR7432435A FR2286211A1 FR 2286211 A1 FR2286211 A1 FR 2286211A1 FR 7432435 A FR7432435 A FR 7432435A FR 7432435 A FR7432435 A FR 7432435A FR 2286211 A1 FR2286211 A1 FR 2286211A1
- Authority
- FR
- France
- Prior art keywords
- copper
- electrolytically
- chromium
- strongly alkaline
- alkaline bath
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/38—Chromatising
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Manufacturing Of Printed Wiring (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7432435A FR2286211A1 (fr) | 1974-09-26 | 1974-09-26 | Procede pour eviter la formation de taches sur des plaques de cuivre |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7432435A FR2286211A1 (fr) | 1974-09-26 | 1974-09-26 | Procede pour eviter la formation de taches sur des plaques de cuivre |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2286211A1 true FR2286211A1 (fr) | 1976-04-23 |
FR2286211B1 FR2286211B1 (xx) | 1979-01-05 |
Family
ID=9143456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7432435A Granted FR2286211A1 (fr) | 1974-09-26 | 1974-09-26 | Procede pour eviter la formation de taches sur des plaques de cuivre |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2286211A1 (xx) |
-
1974
- 1974-09-26 FR FR7432435A patent/FR2286211A1/fr active Granted
Non-Patent Citations (1)
Title |
---|
NEANT * |
Also Published As
Publication number | Publication date |
---|---|
FR2286211B1 (xx) | 1979-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |