Flexible wiring board, an intermediate product of a flexible...

Details Flexible wiring board, an intermediate product of a flexible... Flexible wiring board, an intermediate product of a flexible...

2007-03-06

2007-03-06

Reicharo, Dean A. (Department: 2841)

Electricity: conductors and insulators

Conduits, cables or conductors

Preformed panel circuit arrangement

C174S255000, C174S262000, C361S748000, C361S792000

Reexamination Certificate

active

10784226

ABSTRACT:
The flexible wiring board has a first wiring film and a second wiring film. Because the first wiring film has a larger thickness than the second wiring film, the sectional area and electrical resistance of the first wiring film can be enlarged because of the larger film thickness even in a case where the first and second wiring films have almost the same width. Therefore, a high current can flow through the first wiring film, although the wiring film has a small width. As a result, a high density of the flexible wiring board can be easily achieved.

REFERENCES:
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patent: 6596947 (2003-07-01), Kurita et al.
patent: 6822169 (2004-11-01), Kataoka

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