FR2046879A1 - - Google Patents
Info
- Publication number
- FR2046879A1 FR2046879A1 FR7022588A FR7022588A FR2046879A1 FR 2046879 A1 FR2046879 A1 FR 2046879A1 FR 7022588 A FR7022588 A FR 7022588A FR 7022588 A FR7022588 A FR 7022588A FR 2046879 A1 FR2046879 A1 FR 2046879A1
- 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.)
- Granted
Links
Classifications
-
- 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
- C23F1/32—Alkaline compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- ing And Chemical Polishing (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83454269A | 1969-06-18 | 1969-06-18 | |
US3526370A | 1970-05-06 | 1970-05-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2046879A1 true FR2046879A1 (fr) | 1971-03-12 |
FR2046879B1 FR2046879B1 (fr) | 1973-04-06 |
Family
ID=26711944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7022588A Expired FR2046879B1 (fr) | 1969-06-18 | 1970-06-18 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2030070C3 (fr) |
FR (1) | FR2046879B1 (fr) |
GB (1) | GB1256209A (fr) |
NL (1) | NL144993B (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2140215C2 (de) * | 1971-08-11 | 1983-10-20 | Hans Hoellmueller Maschinenbau Gmbh & Co, 7033 Herrenberg | Verfahren und Anlage zum Regenerieren einer zum Ätzen von Kupfer- und Kupferlegierungen, insbesondere kupferkaschierten Leiterplatten, geeigneten Ätzlösung, sowie Meßeinrichtung dieser Anlage |
US3705061A (en) * | 1971-03-19 | 1972-12-05 | Southern California Chem Co In | Continuous redox process for dissolving copper |
-
1970
- 1970-06-18 DE DE19702030070 patent/DE2030070C3/de not_active Expired
- 1970-06-18 FR FR7022588A patent/FR2046879B1/fr not_active Expired
- 1970-06-18 GB GB2958270A patent/GB1256209A/en not_active Expired
- 1970-06-18 NL NL7008968A patent/NL144993B/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2030070C3 (de) | 1974-05-09 |
NL144993B (nl) | 1975-02-17 |
NL7008968A (fr) | 1970-12-22 |
DE2030070B2 (de) | 1972-03-02 |
GB1256209A (en) | 1971-12-08 |
DE2030070A1 (de) | 1971-01-07 |
FR2046879B1 (fr) | 1973-04-06 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |