Golden ornament and method for production thereof

Details Golden ornament and method for production thereof Golden ornament and method for production thereof

1996-02-14

1998-05-19

Nguyen, Kien T.

Jewelry

Miscellaneous

Plated or covered with noble metal or substance

A44C 1500

Patent

active

057523959

ABSTRACT:
A golden ornament having formed on a substrate either golden coating incorporating gold, iron, and oxygen therein or a golden coating comprising gold, iron, and oxygen; a golden ornament having formed on a substrate an undercoating layer comprising a Ti compound or a Zr compound and further formed on the undercoating layer a golden coating comprising gold, iron, and oxygen; the golden coating having the magnitudes of color tones, L*, a*, and b*, in the respective ranges, 90.gtoreq.L*.gtoreq.75, 10.gtoreq.a*.gtoreq.0, and 40.gtoreq.b*.gtoreq.20; and a method for the production of the golden ornament characterized by having the golden coating formed by the physical vapor deposition of gold and iron on the substrate or the undercoating layer in an ambient air containing oxygen.

REFERENCES:
patent: 5510012 (1996-04-01), Schulz et al.

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