White hard decorative member
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United States of America Patent
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Sep 1, 2015
Grant Date -
Jul 4, 2013
app pub date -
Sep 20, 2011
filing date -
Sep 21, 2010
priority date (Note) -
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Abstract
In order to provide a white hard decorative member being remarkably enhanced in scratch resistance and abrasion resistance and having a high-quality color impression, and furthermore supply a product capable of freely controlling the color tone, corrosion resistance performance, and etching performance, the white hard decorative member includes a base material having thereon an alloy adherence layer having a high adherence effect, an alloy gradient adherence layer in which the reaction gas content is gradually increased, an abrasion-resistant layer having high hardness, and an alloy color-up gradient layer in which the reaction gas content is gradually decreased, which are formed by using a film of an alloy combining a metal having a high adherence effect to a metal and high brightness, a metal having high film hardness and high corrosion resistance, and a metal for enhancing the corrosion performance.
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