Flexible substrate with super flexibility and high electrical and thermal conductivity and preparation method thereof
A flexible base material, high conductivity technology, applied in the direction of circuit substrate materials, dielectric properties, printed circuit manufacturing, etc., can solve problems such as high cost, serious environmental protection problems, complex process, etc., to achieve high conductivity, low power consumption Effect
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[0031] In one embodiment, a method for preparing a super-flexible, highly conductive and thermally conductive flexible substrate comprises the following steps:
[0032] S1, polyimide film is carbonized and black-leaded, and the polyimide film is doped with nano-metals, and ion implantation and ion exchange are performed; the carbonization and black-leaded treatment can make the nano-monoclinic crystals in the film Phase change into tetragonal crystal, and from single crystal to superlattice;
[0033] S2. Perform plasma irradiation modification on the surface of the material quantum carbon-based film obtained after step S1 to form a special-shaped surface layer;
[0034] S3. Forming a metal conductor layer on the profiled surface layer by physical vapor deposition (PVD) or chemical vapor deposition (CVD), to obtain a flexible substrate with super flexibility, high ductility, high electrical conductivity and thermal conductivity.
[0035] In a preferred embodiment, the doping t...
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