Flexible printed circuit board

Details Flexible printed circuit board Flexible printed circuit board

2005-04-18

2010-02-09

Dinh, Tuan T (Department: 2841)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S814000, C174S254000

Reexamination Certificate

active

07660126

ABSTRACT:
A flexible printed circuit board is robust to a repeated twisting and consists of a minute circuit printed on a flexible insulated material sheet, and has the bent parts of the opposite edges symmetrical in structure. The bent parts are straightened out when twisting occurs. In the flexible printed circuit board, the opposite edges are longer in length than the middle part such that the tensile deformation at the opposite edges at the time of twisting does not occur or is minimized.

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Japanese Office Action dated Jun. 5, 2007 for JP 2005-123380.

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