at least one coating being a metal

Full Title

Surface treatment of glass, not in the form of fibres or filaments, by coating (optical coatings of optical elements G02B1/10) > with at least two coatings having different compositions (C03C17/44 takes precedence) > at least one coating being a metal

Child Classifications

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• C03C 17/3602
• C03C 17/38 at least one coating being a coating of an organic material
• C03C 17/40 all coatings being metal coatings