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Polyimide precursor solution of the multilayer film, multilayer polyimide film, single-sided metal-clad laminate, and a method for manufacturing a multilayer polyimide film
Polyimide precursor solution of the multilayer film, multilayer polyimide film, single-sided metal-clad laminate, and a method for manufacturing a multilayer polyimide film
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机译:多层膜的聚酰亚胺前体溶液,多层聚酰亚胺膜,单面覆金属层压板以及多层聚酰亚胺膜的制造方法
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摘要
PROBLEM TO BE SOLVED: To provide a manufacturing method of a base material for a single-sided metal-clad laminated sheet enhanced in the adhesiveness of a high heat-resistant polyimide and a thermoplastic polyimide and also enhanced in solder heat resistance without performing any surface treatment.;SOLUTION: A multilayer film of a polyimide precursor solution is constituted by laminating at least a solution layer (a) containing the thermoplastic polyimide and/or the precursor of the thermoplastic polyimide, a solution layer (b) containing a non-thermoplastic polyimide precursor and a solution layer (c) containing a heat-resistant polymer in this order and the non-thermoplastic polyimide precursor contained in the solution layer (b) is the precursor of a non-thermoplastic polyimide having a thermoplastic block component in its molecule. The multilayer polyimide film is obtained by heating or imidating the multilayer film.;COPYRIGHT: (C)2008,JPO&INPIT
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