Wiring board and process for producing the same

Details Wiring board and process for producing the same Wiring board and process for producing the same

1989-12-06

1993-09-07

Picard, Leo P.

Electricity: conductors and insulators

Conduits, cables or conductors

Preformed panel circuit arrangement

174262, 361792, H05K 100

Patent

active

052431444

ABSTRACT:
A circuit board having holes (a) and holes (b) therein with different electrically connecting structures and enlarged connecting areas with respect to an insulating substrate and circuit conductors formed on the insulating substrate is excellent in connection reliability and high in wiring density.

REFERENCES:
patent: 3243498 (1966-03-01), Allen et al.
patent: 3301939 (1967-01-01), Krasnow
patent: 3348990 (1967-10-01), Zimmerman et al.
patent: 3739469 (1973-06-01), Dougherty, Jr.
patent: 4770900 (1988-09-01), Seibel
patent: 4791722 (1988-12-01), Miller, Jr.
patent: 4792646 (1988-12-01), Enomoto

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