| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for forming the electrodeposited polyimide composite film which has improved water-repellent properties, e.g. hightened durability of ink repellent function or has excellent wear resistance and mold releasability. SOLUTION: An electroconductive film 2 is first formed on one side or both sides of the surfaces of the resin substrate 1 and then an electrodeposited polyimide composite film 5 is formed on the electroconductive film 2 while keeping the state that one or two or more codepositing particles selected from water repellent fine particles, wear resistant fine particles and mold releasable fine particles are codeposited on the film 2. This process can be applied for producing a nozzle plate having a discharge nozzle by using the water repellent particles as the codepositing particles. The electrodeposited polyimide composite film can also be directly formed on one side or both sides of the surfaces of a metal substrate.
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