Both-side flexible printed circuit board

Details Both-side flexible printed circuit board Both-side flexible printed circuit board

1986-01-23

1987-12-29

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Single duct conduits

361398, 361409, H05K 100

Patent

active

047162597

ABSTRACT:
A flexible circuit board including a substrate having at least electrically conducting patterns and electrically insulating cover layers formed on both sides thereof. A number of apertures are formed along a line in a zone at which the board is to be curved. In this zone, areas between two successive apertures having conducting patterns on the front surface do not have conducting patterns on the back surface, and further, the cover layer is applied only to the surface of the areas on which conducting patterns are formed, while the opposite surface having no patterns formed thereon is absent the cover layer.

REFERENCES:
patent: 2723635 (1973-03-01), Smith

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