PLATING BATH FOR DEPOSITING COATINGS OF GOLD AND GOLD ALLOYS
In the electro industry, there are needed acid gold alloy baths which give glossy, ductile coatings, operate at high current densities, and contain little non-metallic impurities. This is attained by a bath based on potassium cyanoaurate (III) and an acid whereby the bath contains at least one of th...
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| Main Authors | , |
|---|---|
| Format | Patent |
| Language | English |
| Published |
09.05.1986
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| Edition | 3 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | In the electro industry, there are needed acid gold alloy baths which give glossy, ductile coatings, operate at high current densities, and contain little non-metallic impurities. This is attained by a bath based on potassium cyanoaurate (III) and an acid whereby the bath contains at least one of the alloying metals cobalt, nickel, indium, tin, zinc, or cadmium in the form of a water soluble salt, together with an amine, an aminocarboxylic acid, or a phosphonic acid and has a pH of below 3. |
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| AbstractList | In the electro industry, there are needed acid gold alloy baths which give glossy, ductile coatings, operate at high current densities, and contain little non-metallic impurities. This is attained by a bath based on potassium cyanoaurate (III) and an acid whereby the bath contains at least one of the alloying metals cobalt, nickel, indium, tin, zinc, or cadmium in the form of a water soluble salt, together with an amine, an aminocarboxylic acid, or a phosphonic acid and has a pH of below 3. |
| Author | KUHN, WERNER ZILSKE, WOLFGANG |
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| Notes | Application Number: HK19860000309 |
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| PublicationDate | 19860509 |
| PublicationDateYYYYMMDD | 1986-05-09 |
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| PublicationYear | 1986 |
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| Snippet | In the electro industry, there are needed acid gold alloy baths which give glossy, ductile coatings, operate at high current densities, and contain little... |
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| SubjectTerms | APPARATUS THEREFOR CHEMISTRY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES METALLURGY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS |
| Title | PLATING BATH FOR DEPOSITING COATINGS OF GOLD AND GOLD ALLOYS |
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