Timepiece Component With An Improved Interferential Optical System Comprising A Nickel-Based Layer
Patent No. EP3896191 (titled "Timepiece Component With An Improved Interferential Optical System Comprising A Nickel-Based Layer") was filed by Richemont on Apr 9, 2021. The application was issued on Jan 8, 2025.
Patent Summary
A watch component with an interference optical system that can change its visual appearance through a thin layer. The system comprises a nickel-based absorption layer and a transmission layer formed by atomic layer deposition (ALD) of an oxide, carbide, sulfide, or nitride. The absorption layer enhances the precision of the colors obtained by the interference optical system, allowing for a wide range of color shades.
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Date
Description
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EP3896191
- Application Number
- EP21167737A
- Filing Date
- Apr 9, 2021
- Status
- Granted And Under Opposition
- Dec 6, 2024
- Publication Date
- Jan 8, 2025
- External Links
- Slate, Register , Google Patents