Application of roots -diffusion pump system in vacuum coating industry
Posted on Fri, 17 Aug 2018 06:19:39 +0000
Vacuum coating principle refers to a certain metal or metal compound gas deposition on the specified material surface in vacuum environment, forming a coating, so called vacuum coating. Vacuum coating can be subdivided into evaporation coating, sputtering coating, ion coating and so on. The mater...
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