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Flexible printed circuit board and flat-panel display device
Flexible printed circuit board and flat-panel display device
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机译:柔性印刷电路板及平板显示装置
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摘要
PROBLEM TO BE SOLVED: To provide a flexible printed board which deals with high density mounting while inhibiting warpage.;SOLUTION: A flexible printed board 13 has a base film 25. The flexible printed board 13 has a first conductor layer 26 on one main surface 25a of the base film 25. The flexible printed board 13 has a second conductor layer 28 on the other main surface 25b of the base film 25. The flexible printed board 13 has a first protection layer 27 covering the first conductor layer 26. The flexible printed board 13 has a second protection layer 29 covering the second conductor layer 28. At least a part of at least one of the first protection layer 27 and the second protection layer 29 is formed by a photosensitivity resist, and thermal expansion coefficients of the first protection layer 27 and the second protection layer 29 are equal to each other on the whole.;COPYRIGHT: (C)2013,JPO&INPIT
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