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Plating target material, polyamic solution and polyimide resin solution which are used to form the plating target material, and printed-wiring board using them
Plating target material, polyamic solution and polyimide resin solution which are used to form the plating target material, and printed-wiring board using them
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机译:用于形成镀覆目标材料的镀覆目标材料,聚酰胺溶液和聚酰亚胺树脂溶液以及使用它们的印刷线路板
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摘要
A laminate of the present invention comprises a plating-target material including a layer-A, that is subjected to electroless copper plating and has a surface roughness such that an arithmetic mean roughness Ra measured at a cutoff value of 0.002 mm is less than 0.5 μm. The 90° anti-peeling adhesive force of the layer-A is 1.0 N/25 mm or less. Furthermore, the layer-A includes a polyimide resin having a siloxane structure formed by polymerizing a diamine component having a structure represented by Formula (6); in a content of 5 to 95 mol % based on the entire diamine component. A sheet containing the layer-A has an elongation modulus of 1.8 GPa or less. The plating-target material of the present invention has a high adhesiveness to an electroless plating film formed on its surface, even if the surface is not so rough, and it is possible to favorably form electroless plating on the entire surface. Accordingly, the plating-target material and laminate of the present invention is suitably applicable to manufacturing of a printed-wiring board and the like.
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