Method of making heat treated coated article using...

Details Method of making heat treated coated article using... Method of making heat treated coated article using...

2011-08-23

2011-08-23

Turocy, David (Department: 1717)

Coating processes

Coating by vapor, gas, or smoke

Carbon or carbide coating

C427S249800, C427S249140, C427S331000, C427S372200, C427S377000

Reexamination Certificate

active

08003167

ABSTRACT:
There is provided a method of making a heat treated (HT) coated article to be used in shower door applications, window applications, or any other suitable applications where transparent coated articles are desired. The method may include heat treating a glass substrate coated with at least a layer of or including diamond-like carbon (DLC) or other type of carbon, with a protective film thereon. In certain example embodiments, the protective film may be of or include a layer of or including SnOxprior to HT. Optionally, a release layer of a material such as zinc oxide may be provided between the SnOxand the DLC. Following and/or during heat treatment the SnOxtransforms into SnOy(y>x) so that stress is created due to the SnOxto SnOytransition. Then, during quenching, stress relief may occur which causes the layer to buckle, creating cracks which may act as liquid channels that permit the sacrificial film to be easily removed via washing or the like.

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