Invention Grant
US09029709B2 Transparent flexible printed wiring board and method for manufacturing the same 有权
透明柔性印刷线路板及其制造方法

Transparent flexible printed wiring board and method for manufacturing the same
Abstract:
Provided is a transparent flexible printed wiring board which is excellent in flexibility, heat resistance and adhesion between a transparent film and a transparent conductive film.A transparent polyimide film, whose dimension change rate in association with a baking process is not larger than ±0.2%, is prepared. ITO ink containing ITO fine particles and a binder is printed in the form of a predetermined pattern on the transparent polyimide film by an ink-jet method. The ITO ink is then baked at 230 to 300° C., thereby forming a transparent conductive film with a binder ratio of 5 to 10 wt %.
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