发明名称 |
MAGNETIC PREPREG, ITS MANUFACTURING METHOD AND PRINTED WIRING BOARD EMPLOYING THE PREPREG |
摘要 |
<p>For improving a noise characteristic of a printed circuit board excellent in noise characteristic, a magnetic prepreg formed by impregnating a magnetic paint composed of soft magnetic powder and thermosetting resin into a glass cloth is used as a prepreg constituting the printed circuit board. It is preferable that the soft magnetic powder is metal powder being essentially flat. Further, it is preferable that a main component of the thermosetting resin is epoxy resin. <IMAGE></p> |
申请公布号 |
EP0878984(A1) |
申请公布日期 |
1998.11.18 |
申请号 |
EP19970939168 |
申请日期 |
1997.09.04 |
申请人 |
NEC TOKIN CORPORATION |
发明人 |
YOSHIDA, SHIGEYOSHI;SATO, MITSUHARU;KAMEI, KOJI |
分类号 |
B29C70/02;C08J5/24;H05K1/02;H05K1/03;H05K3/46;H05K9/00;(IPC1-7):H05K1/03;B32B5/00;B32B5/28 |
主分类号 |
B29C70/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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