Method of making coated article with ir reflecting layer(s)...

C - Chemistry – Metallurgy – 03 – C

Patent

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C03C 17/09 (2006.01) C03C 17/36 (2006.01) C23C 14/18 (2006.01) C23C 14/34 (2006.01) C23C 14/35 (2006.01)

Patent

CA 2593023

A method of making a coated article is provided, where the coated article may be used in a window and may have at least one infrared (IR) reflecting layer in a low-E coating. The IR reflecting layer may be of silver. In certain example embodiments, at least krypton (Kr) gas is used in sputter-depositing a silver inclusive ER. reflecting layer. It has been found that the use of Kr gas in sputtering Ag targets results in an IR reflecting layer having improved resistance and emittance properties.

La présente invention concerne un procédé de fabrication d'un article recouvert, ledit article pouvant être utilisé dans une fenêtre ou similaire et pouvant comporter au moins une couche réfléchissant l'infrarouge (IR) dans un revêtement à faible émissivité. La couche réfléchissant l'infrarouge peut être constituée d'argent. Dans certains modes de réalisation cités en exemple, on utilise au moins du krypton (Kr) gazeux dans la pulvérisation cathodique d'une couche réfléchissante à faible émissivité comprenant de l'argent. On a découvert que l'utilisation de krypton gazeux dans la pulvérisation de cibles d'argent produit une couche réfléchissant l'infrarouge présentant des propriétés améliorées de résistance et d'émittance.

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