发明名称 |
Flexible printed circuit and manufacturing method therefor |
摘要 |
A composite sheet comprises a first resin film; and a second resin film laminated on the first resin film; wherein two ellipses of coefficient of linear expansion are created on polar coordinates in corresponding parts of the first and second resin films by a predetermined method and the two ellipse are overlapped so as to match in the center point and coordinate axes X and Y, and the maximum value of a linear expansion coefficient difference between the two resin films is equal to or less than a predetermined value.
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申请公布号 |
US5700562(A) |
申请公布日期 |
1997.12.23 |
申请号 |
US19960701954 |
申请日期 |
1996.08.23 |
申请人 |
NITTO DENKO CORPORATION |
发明人 |
SUGIMOTO, TOSHIHIKO;MIYAAKE, CHIHARU;MIKI, YOUSUKE |
分类号 |
B29C55/00;B32B7/02;H05K1/00;H05K1/02;H05K3/00;H05K3/28;H05K3/38;H05K3/46;(IPC1-7):B32B5/16;B32B3/00 |
主分类号 |
B29C55/00 |
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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