Catalytic developer

Details Catalytic developer Catalytic developer

1975-02-18

1976-11-23

Esposito, Michael F.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427304, 427305, 427306, 427430A, 427436, 427437, 427438, 106 1, B05D 304, B05D 310

Patent

active

039938018

ABSTRACT:
Improved processes and systems are described for the reception of electroless plating of non-metallic substrates, the processes comprising forming a coating of metal ions onto the non-metallic substrate, immersing the coated substrate in a developer solution containing ions selected from nickel, cobalt and copper ions and mixtures thereof and a reducing agent, and thereafter immersing the substrate in conventional electroless plating baths, e.g., nickel or cobalt-hypophosphite baths or a copper-formaldehyde bath.

REFERENCES:
patent: 3318711 (1967-05-01), Foulke
patent: 3620804 (1971-11-01), Bauer
patent: 3666527 (1972-05-01), Feldstein
patent: 3667991 (1972-06-01), Miller
patent: 3697319 (1972-10-01), Feldstein
patent: 3745039 (1973-07-01), Feldstein
patent: 3772056 (1973-11-01), Polichette
patent: 3772078 (1973-11-01), Polichette

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