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Method for depositing coating on part, such as timepiece mechanism part, and part coated thereby

A technology for watch mechanisms and parts, applied in the field of decorative and/or protective coatings of parts, watch parts, and the deposition of decorative and/or protective coatings, which can solve the problem of not being able to expand the interference color toning range, Issues such as limiting the possibility of decoration of watch mechanism parts

Pending Publication Date: 2022-05-17
THE SWATCH GRP RES & DEVELONMENT LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] However, current coating methods do not allow for an extended palette of interference colors, which limits the decorative possibilities of clockwork components with interference phenomena

Method used

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  • Method for depositing coating on part, such as timepiece mechanism part, and part coated thereby
  • Method for depositing coating on part, such as timepiece mechanism part, and part coated thereby
  • Method for depositing coating on part, such as timepiece mechanism part, and part coated thereby

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Embodiment Construction

[0054] Herein, the colorimetric properties of coatings obtained by the method of depositing coatings according to the invention are expressed with the help of the CIE L*a*b* color space and spectroscopically using KONICA MINOLTA CM-3610-A according to standard CIE 1976 The photometer is used to detect the polished sample, and the following parameters are used: CIE D65 light source (sunlight 6,500°K), tilt 10°, SCI detection (including specular reflection), and a detection area with a diameter of 4mm.

[0055] The CIELAB color space (according to standards CIE no.15, lSO 7724 / 1, DIN 5033Teil 7, ASTM E-1164) has a lightness L* component, which represents the way a material reflects light, comparable to transparency; the a* component is The green / red component, the b* component is the blue / yellow component.

[0056] figure 1 A cross-sectional view is schematically shown of a part 1 , for example a timepiece mechanism component, comprising a substrate 10 and a multilayer structur...

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Abstract

One aspect of the invention relates to a part (1) comprising a substrate (10) and a colour coating with an interfering effect for decorating and / or protecting said part (1), said coating comprising: a first opaque layer (11) at least partially covering at least one surface of the substrate (10); a stack (20) of at least two translucent layers (12, 13) deposited by an ALD (atomic layer deposition) method, covering the first layer (11); the thickness (e2) of the stack (20) depends on the color of the coating having an interference phenomenon.

Description

technical field [0001] The field of the invention relates to the surface treatment of parts such as decorative parts or components of a timepiece mechanism, in particular decorative and / or protective coatings of parts. [0002] More specifically, the invention relates to a method of depositing a decorative and / or protective coating, whereby a colored coating with interfering effects can be obtained. [0003] The method of depositing a coating according to the invention is particularly suitable for the protection and / or decoration of decorative parts or components in timepieces, such as plates, bridges, gear trains, screws, oscillating weights, dials, scales, appliques, Window, hands, or any other part of the movement or external components of a timepiece. [0004] The invention also relates to parts coated by this method, such as components of timepiece mechanisms. Background technique [0005] In order to obtain protective and / or decorative layers on various substrates, i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C28/00C23C28/04C23C14/06C23C14/34C23C16/06C23C16/34C23C16/40C23C16/455G04B37/22
CPCC23C14/34C23C14/0015C23C14/0641C23C14/0664C23C14/06C23C14/0635C23C14/0617C23C28/04C23C28/042C23C28/322C23C28/34C23C28/345C23C14/0676C23C16/45525C23C16/403C23C16/405C23C16/402C23C16/06C23C16/34G04B37/22C23C16/006G04B19/12G04B45/0076G04B45/0015G04B19/28G04B29/027G04B5/16G04B19/042G04B13/02C23C16/45555
Inventor C·马纳斯特斯基C·弗尔V·斯帕索夫
Owner THE SWATCH GRP RES & DEVELONMENT LTD