Process for activating substrates for electroless metallization

Details Process for activating substrates for electroless metallization Process for activating substrates for electroless metallization

1984-10-15

1986-02-04

Hoffman, James R.

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

427305, 427306, B05D 304, B05D 310

Patent

active

045685703

ABSTRACT:
A gentle and inexpensive process for activating surfaces for electroless metallization comprises wetting the surfaces with an activating solution containing a silver-I compound which is sparingly soluble in water (for example AgCl) and which has been converted into a soluble form with the aid of complexing agents (for example NH.sub.3), splitting the soluble complex compound back into the sparingly soluble compound and reducing the silver-I compound remaining on the surface.

REFERENCES:
patent: 3880580 (1975-04-01), Horowitz et al.
patent: 4248632 (1981-02-01), Chrich et al.
patent: 4362779 (1982-12-01), Arsac

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