Coating processes – With pretreatment of the base – Etching – swelling – or dissolving out part of the base
Patent
1981-01-05
1982-04-20
Smith, John D.
Coating processes
With pretreatment of the base
Etching, swelling, or dissolving out part of the base
156668, 427306, C23C 302, B29C 1708
Patent
active
043259910
ABSTRACT:
Filled polyester substrates are conditioned for electroless plating by contact with an alkaline conditioner having a pH of at least 8, followed by contact with an aqueous acid fluoride etch solution having a pH less than about 5 and a fluoride concentration of at least 1 mole per liter of solution.
REFERENCES:
patent: 3142582 (1964-07-01), Koretzky et al.
patent: 3394023 (1968-07-01), Wilhelm et al.
patent: 3442683 (1969-05-01), Lenoble et al.
patent: 3567594 (1971-03-01), Wells
patent: 4125649 (1978-11-01), Donovan et al.
Dillard David A.
Donovan, III Lawrence P.
Maguire Eileen
Crown City Plating Co.
Smith John D.
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