Darby & Darby
Printed circuit-board and fabric therefor
 A fabric for a printed circuit-board characterized by that it is composed of one or more fiber(s) selected from the group consisting of polyether ether ketone fiber, polyetherimide fiber and polysulphone fiber, and glass fiber, and a printed circuit-board employing the fabric as its base material. 
Nitto Boseki Co., Ltd.
D Y H H D Y D Y D H H D
D03D Y10S H05K H05K D03D Y10T D03D Y10T D03D H05K H05K D10B
inventional additional additional additional inventional additional inventional additional inventional inventional additional additional
Hirokazu Shin Mikiya Shoichi Keiichi
Inoguchi Kasai Fujii Watanabe Kato