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With the development of science and technology, the use of high-frequency, RF connectors is more and more, and the interference of external electric field and consumption of my problem is also more and more attention, low dielectric constant materials into people's vision, such as rubber, PTFE, FVMQ, PEI and other materials, due to its own low wettability make it more difficult to stick with metal needle, The plasma treatment technology can increase the surface wettability, roughness and bonding properties without affecting the original properties of the matrix.