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US 2024/0091882 A1Published application
Method for manufacturing an external component including a diffraction grating
AssigneeComadur SA
InventorsPierry VUILLE, Benoit GIRY, Gabriel RITTINER, Bastien COMBOTTE
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Abstract
A method for manufacturing an external component of a watch, of a fashion item or of a jewellery item, wherein the external component includes depositing an opaque base layer on all or part of the surface of an inner face of a substrate made of a transparent material, localised ablation of the base layer by laser machining, so as to form at least one pocket the bottom of which has a diffraction grating.
Claims10
A method for manufacturing an external component of a watch, of a fashion item or of a jewellery item, wherein the method comprises the following steps of:
- depositing an opaque base layer on all or part of the surface of an inner face of a substrate made of a transparent material;
- and
- localised ablation of the base layer by laser machining, so as to form at least one pocket the bottom of which has a diffraction grating.
Dependencies are inferred from the claim text.