Mask Version
Mask Version Mask Version - Spray Coating Photoresist - Cheersonic Also known in the industry as photomask, mask, English name MASK or PHOTOMASK), material: quartz glass, metal chrome and photosensitive glue, the product is made of quartz glass as the substrate, on which a layer of metal chrome and photosensitive Glue becomes a kind of photosensitive material. The designed circuit pattern is exposed on the photosensitive glue through [...]

