Invention Grant
- Patent Title: Method for depositing a decorative and/or functional metal layer on a surface of an article made of an electrically non-conductive ceramic material
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Application No.: US17476909Application Date: 2021-09-16
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Publication No.: US11952667B2Publication Date: 2024-04-09
- Inventor: Loïc Curchod , Pierry Vuille
- Applicant: The Swatch Group Research and Development Ltd
- Applicant Address: CH Marin
- Assignee: The Swatch Group Research and Development Ltd
- Current Assignee: The Swatch Group Research and Development Ltd
- Current Assignee Address: CH Marin
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: EP 208605 2020.11.19
- Main IPC: C23C8/02
- IPC: C23C8/02 ; A44C27/00 ; C04B41/00 ; C04B41/50 ; C04B41/51 ; C25D5/54 ; C25D7/00 ; G04B17/06 ; G04B19/12 ; G04B37/22
Abstract:
A method for depositing a decorative and/or functional layer on at least a portion of a surface of a finished or semi-finished article made of a non-conductive ceramic material, this deposition method includes the following operations: subjecting the at least a portion of the surface of the article to a carburising or nitriding treatment during which carbon, respectively nitrogen atoms, diffuse in the at least a portion of the surface of the article, then depositing, by galvanic growth of a metallic material, the decorative and/or functional layer on at least a portion of the surface of the article which has undergone the carburising or nitriding treatment.
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