Title:
DECORATIVE COMPONENT AND METHOD FOR PRODUCING DECORATIVE COMPONENT
Document Type and Number:
WIPO Patent Application WO/2023/188985
Kind Code:
A1
Abstract:
This decorative component has a cuprous-oxide-containing oxide layer on the surface thereof, the oxide layer being substantially free of air bubbles. This method for producing the decorative component includes heating, to 700-900°C, a component precursor in which all or part of the surface is formed from copper at an oxygen partial pressure of 1300 Pa or less and a feed rate of 50 mL/min or less in an electric furnace, and then cooling the component precursor to form the oxide layer.
Inventors:
ARAKI AKIKO (JP)
Application Number:
PCT/JP2023/005922
Publication Date:
October 05, 2023
Filing Date:
February 20, 2023
Export Citation:
Assignee:
SEIKO GROUP CORP (JP)
International Classes:
C23C8/12; A44C5/00; C22F1/00; C22F1/08; C23C8/10; C23C26/00
Foreign References:
| JP2010229555A | 2010-10-14 | |||
| JPH03260074A | 1991-11-20 | |||
| CN113186487A | 2021-07-30 |
Other References:
OGUCHI HACHIRO: "Metal Finishing of Japanese Metal Arts and Crafts", BOSHOKU GIJUTSU, XX, JP, vol. 32, no. 2, 1 January 1983 (1983-01-01), JP , pages 104 - 113, XP093094806, ISSN: 0010-9355, DOI: 10.3323/jcorr1974.32.2_104
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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