A plano-concave Oxidation : Process : a material → degreasing chemical mechanical polishing → → AC oxidation pre-bake stained black → → → rejection sensitive adhesive coated polyvinyl alcohol, developing proofing → → solid membrane stripping unneeded The second oxide film → DC anodizing oxidation at low temperature → forming → fluorescent paint and packaging polyvinyl alcohol film is not removed , the board can not have blisters, can not repair, demanding process conditions .
2 hydrofluoric acid etching : process : a material → → chemical mechanical polishing or electrolytic polishing → dyed black anodized sealing → → hydrofluoric screen printing resist stripping the oxide film → → In addition to low-temperature oxidation forming a protective film → → product inspection and packaging
3 plano-convex Oxidation : Process: mechanical glow pigments expected to open → → → low temperature chemical or electrochemical polishing anodizing sealing → → → dyed golden screen printing ink resist stripping → second oxide film dyed black oxide In addition to the film and sealing → → forming → finished mechanical polishing and packaging inspection
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