Stabilized alkaline gold bath for the electro-less deposition of

Details Stabilized alkaline gold bath for the electro-less deposition of Stabilized alkaline gold bath for the electro-less deposition of

1988-03-09

1989-06-13

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 126, 427 98, 427304, B05D 512, C23C 1600

Patent

active

048389374

ABSTRACT:
A stabilized, aqueous, alkaline gold bath is disclosed, containing a dicyanogold(I)-complex, a complex-former, an alkali hydroxide and a reducing agent, for the electro-less deposition of gold onto gold, metals which are more electro-negative than gold, as well as alloys of these metals, characterized by a content of at least one compound from the classes of glycol derivatives and polyethylenimine, as stabilizer.

REFERENCES:
patent: 3589916 (1971-06-01), McCormack
patent: 4091128 (1978-05-01), Franz et al.
Chem Abst: 104:114,477g, Murakami, 22 Jul. 85.
Chem Abst: 83:60793, Molenaar, Jun. 74.

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