Printed circuit board

Details Printed circuit board Printed circuit board

1987-02-06

1989-09-05

Niebling, John F.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427541, 427 96, 204155, 20415715, 430 31, 430311, 430325, B05D 314

Patent

active

048637572

ABSTRACT:
A method for producing a circuit board having conductive circuit elements patterened on a non-conductive substrate involves printing a film of a U.V. curable ink composed of a suspension of silver-coated magnetite particles in a U.V. curable resin onto the substrate in a circuit pattern, subjecting the pattern to a magnetic field to move the magnetite particles to a position at or near the upper surface of the resin and effecting U.V. radiation cure of the U.V. curable ink.

REFERENCES:
patent: 4013462 (1977-03-01), Goffe et al.
patent: 4333961 (1982-06-01), Bruce et al.
patent: 4495040 (1985-01-01), Panico
patent: 4657779 (1987-04-01), Gaske
patent: 4671984 (1987-06-01), Maeda et al.

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