Pre-treatment method for electroless plating for producing a met

Details Pre-treatment method for electroless plating for producing a met Pre-treatment method for electroless plating for producing a met

1974-04-04

1976-01-13

Lusignan, Michael R.

Stock material or miscellaneous articles

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Of quartz or glass

428469, 427305, 427125, B05D 512, B05D 304, B05D 310

Patent

active

039326942

ABSTRACT:
A pre-treatment method for electroless plating of metal film resistors is provided. Said method is characterized in that a stabilized and uniform activating film is formed on the base material to be plated by sequential treatment of said base material with a stannous chloride (SnCl.sub.2) solution, a silver salt solution, a second stannous chloride solution and a palladium, a palladium chloride (PdCl.sub.2) solution. The resultant alloy film has improved resistance to exfoliation.

REFERENCES:
patent: 2702253 (1955-02-01), Bergstrom
patent: 3105772 (1963-10-01), Loiseleur
patent: 3138479 (1964-06-01), Foley
patent: 3212917 (1965-10-01), Tsu et al.
patent: 3393737 (1968-07-01), Richardson
patent: 3457138 (1969-07-01), Miller

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