Baseboard for printed circuit board

Details Baseboard for printed circuit board Baseboard for printed circuit board

1979-04-27

1981-03-03

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

174 685, 427 97, 428192, 428213, 428901, B05D 512

Patent

active

042541727

ABSTRACT:
A baseboard having through-holes for a printed circuit board which baseboard is made from a metal as a substrate, comprising at least one resin coat layer formed on the overall surface of the metal substrate including the inner wall surfaces of the through-holes and having, at the circumferential angular portions of the through-holes, a thickness larger than that on said upper and said lower surface of the metal substrate, and featured by its increased insulation characteristics at the circumferential angular portions of the through-holes.

REFERENCES:
patent: 3034930 (1962-05-01), Foudriat, Jr.
patent: 3506482 (1970-04-01), Hirohata et al.

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