Printed circuit board

Details Printed circuit board Printed circuit board

1989-07-20

1991-02-05

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

4284111, 428913, 428901, 174 35R, 361397, B32B 900

Patent

active

049903934

ABSTRACT:
A printed circuit board has the printed circuit shielded against radiation of high frequency signals by upper and lower conductive plates separated from the printed circuit and substrate by resist layer.

REFERENCES:
patent: 2948834 (1960-08-01), Kalfaian
patent: 3469017 (1969-09-01), Starger
patent: 3705332 (1972-12-01), Parks
patent: 4339628 (1982-07-01), Marcantonio et al.
patent: 4388132 (1983-06-01), Hoge et al.
patent: 4658334 (1987-04-01), McSparran et al.

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