Manufacturing process of graphene transparent conductive film
A transparent conductive film, graphene film technology, applied in cable/conductor manufacturing, circuits, electrical components, etc., can solve the problems of conductive film conductivity decline, inability to meet performance requirements, affecting graphene conductivity, etc., to achieve film formation Short time, low cost, clear pattern effect
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[0030] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention will be further explained below in conjunction with specific embodiments.
[0031] In this embodiment of a method for preparing a patterned graphene conductive film, the graphene conductive film includes a graphene layer and a film as a substrate, the copper foil has a thickness of 20-50 μm and a purity of more than 99.9%. The film is polyethylene terephthalate (PET), polycarbonate (PC) or polymethylmethacrylate (PMMA); its thickness is 150~200μm, the thickness tolerance is less than ±2μm, and the light transmittance is greater than 93 %, the haze is less than 1%; the thickness of the copper foil used in this embodiment is 30μm, the purity is 99.99%, the thickness of the film is 180μm, the thickness tolerance is less than ±1μm, and the light transmittance is 96%. There is also a hardened layer with a hardness above 3H; the metho...
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