Optical coatings produced by application to, or surface treatment of, optical elements (G02B1/08 takes precedence)

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Optical elements characterised by the material of which they are made; Optical coatings for optical elements > Optical coatings produced by application to, or surface treatment of, optical elements (G02B1/08 takes precedence)

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• G02B 1/11 Anti-reflection coatings
• G02B 1/12 by surface treatment, e.g. by irradiation
• G02B 1/14 Protective coatings, e.g. hard coatings
• G02B 1/16 having an anti-static effect, e.g. electrically conducting coatings
• G02B 1/18 Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films (G02B1/16 takes precedence)