Heat treatable coated article with diamond-like carbon (DLC)...

Details Heat treatable coated article with diamond-like carbon (DLC)... Heat treatable coated article with diamond-like carbon (DLC)...

2006-10-26

2008-11-11

Meeks, Timothy (Department: 1792)

Coating processes

With post-treatment of coating or coating material

Heating or drying

C427S249100, C427S249700, C427S331000, C427S402000, C427S419700

Reexamination Certificate

active

07449218

ABSTRACT:
In certain example embodiments, a coated article includes respective layers including diamond-like carbon (DLC) and zirconium nitride before heat treatment (HT). During HT, the hydrogenated DLC acts as a fuel which upon combustion with oxygen produces carbon dioxide and/or water. The high temperature developed during this combustion heats the zirconium nitride to a temperature(s) well above the heat treating temperature, thereby causing the zirconium nitride to be transformed into a new post-HT layer including zirconium oxide that is scratch resistant and durable.

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