Can use PVD coating base material need to electrical conductivity, heat resistance above 70 ℃, gas will not be released out.
When 2 and 3 substrates are plated, the thickness of the hydro-electric coating layer (cu-ni free - Cr) is 30~50um, and then the vacuum coating layer is 0.3~0.5um
The thickness of the vacuum coating film is 2~3um when the base material is directly plated with vacuum
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