GB1246781A - Silver electroplated wires - Google Patents
Silver electroplated wiresInfo
- Publication number
- GB1246781A GB1246781A GB8607/70A GB860770A GB1246781A GB 1246781 A GB1246781 A GB 1246781A GB 8607/70 A GB8607/70 A GB 8607/70A GB 860770 A GB860770 A GB 860770A GB 1246781 A GB1246781 A GB 1246781A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wires
- plating
- cyanide
- silver
- brass
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/60—Electroplating characterised by the structure or texture of the layers
- C25D5/615—Microstructure of the layers, e.g. mixed structure
- C25D5/617—Crystalline layers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Non-Insulated Conductors (AREA)
Abstract
1,246,781. Silver plating wire. FURUKAWA ELECTRIC CO. Ltd. Feb. 23, 1970 [Feb. 22, 1969], No. 8607/70. Heading C7B. Silver covered wires of Cu, Cu alloy (e.g. phosphor-bronze containing 8% Sn) or Fe-Ni alloy (e.g. 48% Fe-52% Ni) are continuously produced, for lead wires of semi-conductor rectifier elements, by brass-plating the wires, e.g. to a thickness 0À1 to 15 micron in a cyanide bath in which the weight ratio of Cu to Zn is 50/50 to 95/5, Ag strike plating in a cyanide bath containing 0À1 to 10 g/l Ag for 5 to 60 seconds, Ag plating in a cyanide bath containing 15 to 60 g/l Ag e.g. for 8 to 25 minutes, then drawing the plated wires to a predetermined diameter and annealing e.g. by induction heating to 200-700C., with if desired further drawing. Prior to brass-plating the wires may be buff-polished, degreased in an alkaline bath e.g. anodically, and/or dipped in a solution of alkali metal cyanide e.g. KCN, H 2 SO 4 or HCl.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP44013059A JPS4916707B1 (en) | 1969-02-22 | 1969-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1246781A true GB1246781A (en) | 1971-09-22 |
Family
ID=11822542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8607/70A Expired GB1246781A (en) | 1969-02-22 | 1970-02-23 | Silver electroplated wires |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS4916707B1 (en) |
| GB (1) | GB1246781A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3206262A1 (en) * | 1982-02-20 | 1983-09-08 | Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim | METHOD FOR PRODUCING TAPES COATED WITH PRECIOUS METAL AS A SEMI-FINISHED PRODUCT FOR ELECTRICAL CONTACTS |
| CN118166406A (en) * | 2024-05-13 | 2024-06-11 | 烟台一诺电子材料有限公司 | Preparation method of nickel-silver plated bonding wire |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5233004U (en) * | 1975-08-30 | 1977-03-08 | ||
| JPS5673166U (en) * | 1979-11-12 | 1981-06-16 |
-
1969
- 1969-02-22 JP JP44013059A patent/JPS4916707B1/ja active Pending
-
1970
- 1970-02-23 GB GB8607/70A patent/GB1246781A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3206262A1 (en) * | 1982-02-20 | 1983-09-08 | Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim | METHOD FOR PRODUCING TAPES COATED WITH PRECIOUS METAL AS A SEMI-FINISHED PRODUCT FOR ELECTRICAL CONTACTS |
| CN118166406A (en) * | 2024-05-13 | 2024-06-11 | 烟台一诺电子材料有限公司 | Preparation method of nickel-silver plated bonding wire |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2008368B2 (en) | 1972-11-02 |
| JPS4916707B1 (en) | 1974-04-24 |
| DE2008368A1 (en) | 1970-09-10 |
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