Circuit board

Details Circuit board Circuit board

1986-03-10

1987-09-01

Albritton, C. L.

Electrical resistors

With base extending along resistance element

Resistance element and/or terminals printed or marked on base

174 88R, 338314, H01C 1012

Patent

active

046911880

ABSTRACT:
A circuit board that can be manufactured economically and reliably comprises first and second insulating films and an electrically conductive heat-seal film. Circuit patterns of first and second electrical parts are formed on the first and second insulating films, respectively. These circuit patterns are selectively connected with each other through the heat-seal film. The first insulating film has a hole in which the second insulating film is retained in such a way that the patterns on the first and second insulating films are substantially coplanar with each other.

REFERENCES:
patent: 4113981 (1978-09-01), Fujita et al.
patent: 4405929 (1983-09-01), Sugano
patent: 4433887 (1984-02-01), Sado et al.
patent: 4588456 (1986-05-01), Dery et al.

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