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Patent Searching and Data


Title:
GOLD ORNAMENT AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JPH083764
Kind Code:
A
Abstract:

PURPOSE: To provide a method for producing a gold ornament without the pattern formed by gold being damaged and having a good appearance.

CONSTITUTION: A pattern 5 is formed on the surface of an ornamental base material 6 with gold. The pattern 5 is covered with a protective layer 1 of SiO2, etc. The protective layer 1 may cover not only the pattern 5 surface but also the ornamental face 60 of the base material 6 on which the pattern 5 is formed. The thickness of the protective layer 1 is preferably controlled to 0.01-10μm. The ornamental base material 6 is formed, for example, with one among ceramic glass crystallized glass, metal or enamel. The protective layer 1 is formed by applying the hydrolyzate of tetraalkyl silicate on the ornamental face 60 on which the pattern 5 is formed and heat-treating the hydrolyzate.


Inventors:
INOUE AKIRA
Application Number:
JP15954494A
Publication Date:
January 09, 1996
Filing Date:
June 17, 1994
Export Citation:
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Assignee:
NARUMI CHINA CORP
International Classes:
C03C17/30; C23D5/02; C23D5/06; (IPC1-7): C23D5/02; C03C17/30; C23D5/06
Attorney, Agent or Firm:
Yoshiyasu Takahashi