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  • PVD Vacuum Coating Technology Introduction
         PVD is English Physical Vapor Deposition , in Chinese means "Physical Vapor Deposition", is refers to under the condition of vacuum, use Physical method to make material prep...

  • How to install rotary vane vacuum pump
    When installing rotary vane vacuum pump must comply with certain rules: a small displacement pump (moving piece and set-piece) should be fixed at a fairly large base, and to take into account when ins...

  • The chemical constituents of the vacuum coating machine
    1. The thickness uniformity, which can also be interpreted as roughness, watching it on the scale of the optical thin film is 1/10 of a wavelength as a unit, is about 100 a, vacuum coating uniformity is g...

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