GB1288026A - - Google Patents
Info
- Publication number
- GB1288026A GB1288026A GB4365770A GB4365770A GB1288026A GB 1288026 A GB1288026 A GB 1288026A GB 4365770 A GB4365770 A GB 4365770A GB 4365770 A GB4365770 A GB 4365770A GB 1288026 A GB1288026 A GB 1288026A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bath
- sept
- plated
- alloy
- coated
- 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
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/38—Coating with copper
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- ing And Chemical Polishing (AREA)
Abstract
1288026 Copper immersion coating R KALLENBACH 11 Sept 1970 [17 Sept 1969] 43657/70 Heading C7F Al or Al alloy is coated with Cu by electrochemical displacement in the absence of externally applied current by immersion in an acid bath containing divalent Cu, at least part of which is present as a cupric-oxalic complex. There is claimed a bath for the above process, consisting of an acidic aqueous solution of a Cu salt, a source of oxalate ions in sufficient quantity for formation of the complex, and alkali metal or ammonium ions. Preferred amounts of ingredients are Cu; 1-8g/l; K or NH 4 , 4-16g/l; chloride (e.g. from CuCl 2 ) 1-10g/l; and oxalic acid, 10-80g/l; the bath preferably has pH 2-6 and is used at 20-90‹ C. The Cu in the bath is preferably maintained near saturation concentration, e.g. by maintaining solid salt in the bath, and the bath is replenished with CuCO 3 and/or Cu oxalate. In an example, Al-Si alloy is coated using the above method, electro-plated with Ni, mechanically polished and chrome-plated. Other post-treatments disclosed are electrolytic thickening of the Cu or treatment with chromate or dichromate solution.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691947003 DE1947003B2 (en) | 1969-09-17 | 1969-09-17 | PROCESS FOR ELECTRONIC COPPER PLATING OF ALUMINUM AND ITS ALLOYS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1288026A true GB1288026A (en) | 1972-09-06 |
Family
ID=5745716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4365770A Expired GB1288026A (en) | 1969-09-17 | 1970-09-11 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3672976A (en) |
| AT (1) | AT296714B (en) |
| CH (1) | CH535287A (en) |
| DE (1) | DE1947003B2 (en) |
| FR (1) | FR2062309A5 (en) |
| GB (1) | GB1288026A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2192197A (en) * | 1986-05-19 | 1988-01-06 | Harima Chemicals Inc | A method of forming a metal film on the surface of a substrate metal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5475463A (en) * | 1977-11-28 | 1979-06-16 | Nippon Mining Co Ltd | Manufacture of copper coated iron powder |
-
1969
- 1969-09-17 DE DE19691947003 patent/DE1947003B2/en active Pending
-
1970
- 1970-08-05 CH CH1181470A patent/CH535287A/en not_active IP Right Cessation
- 1970-09-04 US US69964A patent/US3672976A/en not_active Expired - Lifetime
- 1970-09-04 AT AT804370A patent/AT296714B/en not_active IP Right Cessation
- 1970-09-11 GB GB4365770A patent/GB1288026A/en not_active Expired
- 1970-09-17 FR FR7033827A patent/FR2062309A5/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2192197A (en) * | 1986-05-19 | 1988-01-06 | Harima Chemicals Inc | A method of forming a metal film on the surface of a substrate metal |
| GB2192197B (en) * | 1986-05-19 | 1991-02-06 | Harima Chemicals Inc | Method of forming a metal film on the surface of a substrate metal |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1947003B2 (en) | 1971-10-21 |
| US3672976A (en) | 1972-06-27 |
| AT296714B (en) | 1972-02-25 |
| CH535287A (en) | 1973-03-31 |
| FR2062309A5 (en) | 1971-06-25 |
| DE1947003A1 (en) | 1971-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |