| 摘要 |
PROBLEM TO BE SOLVED: To provide a prepreg sheet in response to a demand to enhance an adhesive strength between a single fiber and a resin part, and to provide a single fiber, a wiring board and a mounting structure. SOLUTION: A prepreg sheet 1 includes a narrow and long single fiber 2 and a resin part precursor 3a coating the single fiber 2, and the single fiber 2 has a groove-like recess C1 along its lengthwise direction, on a surface thereof, and the resin part precursor 3a is in contact with an inside surface of the recess C1. COPYRIGHT: (C)2010,JPO&INPIT
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