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direct factory screen plate for perovskite

  • direct factory screen plate for perovskite

    Magnetic metal shadow mask, View Magnetic menal shadow mask .

    The substrates are kept away from direct contact with the mask by use of a 200 µm standoff which prevents damage to delicate polymer layers and allows evaporation of any residual . Shadow mask is a thin metal film with between 800,000 and 1.6 million tiny holes, which act to form images on TV and computer screens.

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