发明名称 |
FLEXIBLE BASE MATERIALS, THEIR PREPARATION AND THEIR USE FOR PRINTED CIRCUITS |
摘要 |
<p>lexible base materials their preparation and their use for printed circuits Flexible base materials. consisting of a metal foil and a film of a polyamide, polyamide-imide and/or polyimide, firmly adhering thereto without an intermediate layer, the film being obtained by heating a polyamide, polyamide-amidoacid and/or polyamide-acid containing the structural units of the formulae I and II. The individual symbols are as defined in claim 1. The base materials according to the invention are useful for the production of flexible printed circuits.</p> |
申请公布号 |
CA1186573(A) |
申请公布日期 |
1985.05.07 |
申请号 |
CA19810385694 |
申请日期 |
1981.09.11 |
申请人 |
CIBA-GEIGY AG |
发明人 |
DARMS, ROLAND;BEYELER, HARRY;HAUG, THEOBALD |
分类号 |
B32B15/04;B32B15/08;B32B15/088;H05K1/03;(IPC1-7):H05K1/03;B05D3/02 |
主分类号 |
B32B15/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|