| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of manufacturing a metal-clad plastic substrate having a metal layer formed, by sputtering on a polyimide film surface which improves the adhesive strength of the metal layer made by sputtering to the metal film surface and the long-time stability under high-temperature environment. SOLUTION: The method of manufacturing a metal-clad plastic substrate, having a metal layer formed by sputtering on a polyimide film surface comprises treating the surface of the polyimide film surface with an alkali water solution of 0.001-10 mol/L concentration, prior to forming the metal layer, and then treating it with a polar organic solvent held at 20-40°C. COPYRIGHT: (C)2007,JPO&INPIT
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