Blue light filtering, water and oil dirt preventing and wear resisting lens and preparation method thereof
A technology for filtering blue light and oil stains, applied in the field of lenses, which can solve the problems of affecting the user's observation of things, not easy to erase, and inconvenient for users, so as to improve the anti-blue light effect and clarity, small stress, and dense film layer Effect
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[0056] Example 1
[0057] A preparation method of a blue light-filtering waterproof, oil-stained and wear-resistant lens, when the substrate is molded from a resin, the preparation method specifically comprises the following steps:
[0058] 1) Clean and dry the substrate;
[0059] 2) Coating the inner and outer surfaces of the substrate respectively;
[0060] A. Plating the first film layer:
[0061] Adjust the vacuum degree in the vacuum coating chamber to less than or equal to 5.0×10 -3 Pa, and control the temperature in the vacuum coating chamber to 50-70 ℃, bombard the film material of the first film layer with an electron gun, the film material of the first film layer is evaporated and deposited on the outer surface of the substrate in the form of nano-scale molecules, and at the same time The evaporation rate of the first film layer is controlled to be 2.5? / S, and the thickness of the first film layer after the final formation is 10-100 nm; wherein, the film material ...
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[0071] Example 2
[0072] A preparation method of a blue light-filtering waterproof, oil-stained and wear-resistant lens, when the substrate is formed from glass, the preparation method specifically comprises the following steps:
[0073] 1) Clean and dry the substrate;
[0074] 2) Coating the inner and outer surfaces of the substrate respectively;
[0075] A. Plating the first film layer:
[0076] Adjust the vacuum degree in the vacuum coating chamber to less than or equal to 5.0×10 -3 Pa, and control the temperature in the vacuum coating chamber to 200-300 ℃, use an electron gun to bombard the film material of the first film layer, the film material of the first film layer is evaporated and deposited on the outer surface of the substrate in the form of nano-scale molecules. The evaporation rate of the first film layer is controlled to be 2.5? / S, and the thickness of the first film layer after the final formation is 10-100 nm; wherein, the film material of the first film l...
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