Method of manufacturing circuit boards

Details Method of manufacturing circuit boards Method of manufacturing circuit boards

1982-08-06

1986-08-26

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

156625, 156902, B05D 306

Patent

active

046082743

ABSTRACT:
Printed circuit boards are fabricated by screening circuit and pad-defining patterns on a base panel and removing them in a certain sequence, and depositing metal in the pad areas only at a particular interval in the process, the sequence being effective to facilitate inspection of the board at desired intervals and to produce accurate, economical circuit boards.

REFERENCES:
patent: 3169063 (1965-02-01), Johnston et al.
patent: 3282755 (1966-11-01), Tischler
patent: 3620933 (1971-11-01), Grunwald et al.
patent: 3673680 (1972-07-01), Tanaka et al.
patent: 3702284 (1972-11-01), Merkenschlager
patent: 3742597 (1973-07-01), Davis
patent: 3772101 (1973-11-01), Chumbres et al.
patent: 4075757 (1978-02-01), Malm et al.
patent: 4104111 (1978-08-01), Mack

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