Method of making thermally tempered coated article

C - Chemistry – Metallurgy – 03 – C

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C03C 17/36 (2006.01) B05D 5/06 (2006.01) B32B 17/06 (2006.01)

Patent

CA 2614449

A method of making a coated article including a transparent conductive oxide (TCO) film supported by a tempered glass substrate is provided. Initially, an amorphous metal oxide film is sputter-deposited onto a non- tempered glass substrate, either directly or indirectly. The glass substrate with the amorphous film thereon is then thermally tempered using high temperatures. The thermal tempering causes the amorphous film to be transformed into a crystalline transparent conductive oxide (TCO) film. The heat used in the thermal tempering of the glass substrate causes the amorphous film to turn into a crystalline film, causes the visible transmission of the film to increase, and/or causes the film to become electrically conductive.

L'invention porte sur un procédé d'obtention d'articles revêtus d'une couche transparente d'oxyde électroconducteur déposée sur un substrat de verre trempé. Initialement, on dépose par pulvérisation cathodique une couche d'oxyde métallique sur un substrat de verre non trempé, soit directement ou indirectement. Puis le substrat revêtu est soumis à une trempe thermique à haute température, qui transforme la couche amorphe en une couche d'oxyde cristalline transparente et électroconductrice.

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