GB932822A - Electrolytic production of copper articles - Google Patents
Electrolytic production of copper articlesInfo
- Publication number
- GB932822A GB932822A GB7275/61A GB727561A GB932822A GB 932822 A GB932822 A GB 932822A GB 7275/61 A GB7275/61 A GB 7275/61A GB 727561 A GB727561 A GB 727561A GB 932822 A GB932822 A GB 932822A
- Authority
- GB
- United Kingdom
- Prior art keywords
- copper articles
- dies
- articles
- copper
- electrolytic production
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C3/00—Reproduction or duplicating of printing formes
- B41C3/08—Electrotyping; Application of backing layers thereon
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
932,822. Electrodeposition of copper articles. VYZKUMNY USTAV POLYGRAFICKY. Feb. 28, 1961 [March 9, 1960], No. 7275/61. Class 41. Copper articles such as printing plates, bi-metallic foils, stereotypes, pressing dies for producing gramophone records, and dies for treating synthetic materials are electrolytically produced from almost saturated acid coppering electrolytes using a direct current which is switched-off intermittently to allow recovery from polarization effects so that homogeneous Cu may be obtained. The interruptions may be for 3 to 30 sees. every 1 to 3 mins. The electrolyte may be 18% CuSO 4 , 4% H 2 SO 4 and 78% H 2 O at 20-25‹ C. A current density of 14-15 amps./sq. dm. may be used and the Cu may be smoothed with an agate during deposition. In 3 hours a 0.13-0.15 mm. Cu layer can be deposited.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS156260 | 1960-03-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB932822A true GB932822A (en) | 1963-07-31 |
Family
ID=5350289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7275/61A Expired GB932822A (en) | 1960-03-09 | 1961-02-28 | Electrolytic production of copper articles |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1284217A (en) |
GB (1) | GB932822A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3478684A (en) * | 1965-11-22 | 1969-11-18 | Schafler Armando B | Planographic printing plates |
US7582199B2 (en) | 2004-04-26 | 2009-09-01 | Rohm And Haas Electronic Materials Llc | Plating method |
-
1961
- 1961-02-28 GB GB7275/61A patent/GB932822A/en not_active Expired
- 1961-03-09 FR FR855311A patent/FR1284217A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3478684A (en) * | 1965-11-22 | 1969-11-18 | Schafler Armando B | Planographic printing plates |
US7582199B2 (en) | 2004-04-26 | 2009-09-01 | Rohm And Haas Electronic Materials Llc | Plating method |
US8945362B2 (en) | 2004-04-26 | 2015-02-03 | Rohm And Haas Electronic Materials Llc | Plating method |
Also Published As
Publication number | Publication date |
---|---|
FR1284217A (en) | 1962-02-09 |
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