Flexible printed wire board

Details Flexible printed wire board Flexible printed wire board

1989-02-16

1990-10-09

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Preformed panel circuit arrangement

361398, 361410, H05K 100

Patent

active

049622870

ABSTRACT:
A flexible printed wire board is provided with the wiring pattern formed on the flexible film, a part of the conductive pattern is coated as the insulating layer including a number of the layer stacked in turns to each other and forms the lower conductive patterns, at least one pair of the connected pattern and the crossover pattern are connected to each other, and the outer pattern of the upper layer on the insulating layer is placed toward the inward of the lower layer, thereby preventing the crossover pattern from being made thin extremely and assuring the reliability.

REFERENCES:
patent: 3461436 (1969-08-01), Navon et al.
patent: 4287394 (1981-09-01), Hargita et al.
patent: 4426548 (1984-01-01), Oritsuki et al.
patent: 4551789 (1985-11-01), Schettler et al.
Hunter, L. P.; "Repairing Aluminum Integrated Circuit Wiring"; IBM Technical Disclosure Bulletin; vol. 7, No. 10; Mar. 65; p. 855.

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