Toray Industries, Inc.

Yui Fujioka

Hiroshi Taiko

Koji Furukawa

Atsuhito Arai

Shinji Kochi

Naofumi Yamashita

Yumi Kunimitsu

A prepreg containing at least the following components [A]-[F], wherein the ratio Ne/Nd of the number of structures Ne of component [F] present in a range of outside 110% of the particle diameter of component [E] and the number of structures Nd of component [F] present in a range outside 110% of the particle diameter of component [D] is 0.25 or higher. [A]: Carbon fibers, [B] thermosetting resin, [C]: curing agent, [D]: particles composed mainly of thermoplastic resin having a primary particle number-average particle size of 5-50 &#x3bc;m, [E]: conductive particles different from component [D] and having a primary particle number-average particle size in the range of a specific expression, [F]: filler comprising a carbon material.

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Ehime, Japan

Yui Fujioka