| 摘要 |
PROBLEM TO BE SOLVED: To provide a flexible printed circuit for improving noise resistance by a simple structural change of a wiring pattern and a film sheet. SOLUTION: The flexible printed circuit 1 comprises a base film 11 made of PET or the like, and a wiring pattern 12 formed on the film 11 and made of a copper foil or the like. One region 11a and another region 11b of the film 11 are bent symmetrically with respect to a boundary line L and used. At least a part of the first and second wiring patterns 12a and 12b are formed in a wave shape, and formed so as to have a phase difference P of 180 deg. from each other when the film 11 is folded at the line L.
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