Method for decorating an ophthalmic article and related ophthalmic article
AssigneeBarberini S.P.A.
InventorMatteo Lagasi
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Abstract
The invention relates to a method for decorating an ophthalmic article. The method contains a step of providing an ophthalmic article having a substrate with a first outer surface intended to be oriented towards the field of view of a user. The first outer surface has at least one decoration zone outside the central vision zone of the ophthalmic article and has topographic structures of at least one dimension of length greater than or equal to 1 mm for forming a decorative pattern. The method further contains a step of depositing thin layers on the first outer surface to form an interferometric mirror on top of the first outer surface. The thin layers have a refractive index different from the refractive index of the substrate.
Claims14
A method for decorating an ophthalmic article, the method comprising:
- (a) providing an ophthalmic article having a substrate with a first outer surface intended to be oriented towards a field of view of a user, wherein the first outer surface has at least one decoration zone outside a central vision zone of the ophthalmic article and has in said at least one decoration zone topographic structures of at least one dimension of length greater than or equal to 1 mm for forming a decorative pattern, and
- (b) depositing on said first outer surface thin layers having a refractive index different from the refractive index of the substrate to form an interferometric mirror on top of the first outer surface,
- wherein the topographic structures have a height/depth variation profile with respect to a mean first outer surface which is greater than a total thickness of the interferometric mirror.
Dependencies are inferred from the claim text.