Printed circuit board

Details Printed circuit board Printed circuit board

1988-03-29

1989-12-05

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Single duct conduits

174 36, H05K 100

Patent

active

048854310

ABSTRACT:
Outer surface of a printed circuit board having circuit conductors on one or both surfaces may be covered by shield film or layer to shield outer noise from reaching the circuit conductors. To shield cross talk and noise from reaching each other, all electrically exposed surfaces of the circuit conductors are covered also by shield film.

REFERENCES:
patent: Re27089 (1971-03-01), Sear et al.
patent: 3391454 (1968-07-01), Reimann et al.
patent: 3461524 (1969-08-01), Lepselter
patent: 3613230 (1971-10-01), Griff
patent: 3837074 (1974-09-01), Griff
patent: 4673904 (1987-06-01), Landis
patent: 4707671 (1987-11-01), Suzuki et al.
patent: 4725478 (1988-02-01), Mathias et al.
patent: 4739453 (1988-04-01), Kurokawa
patent: 4816616 (1989-03-01), Jones

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