Coated article with silicon oxynitride adjacent glass

C - Chemistry – Metallurgy – 03 – C

Patent

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Details

C03C 17/36 (2006.01) B32B 17/06 (2006.01) G02B 1/10 (2006.01) G02B 5/20 (2006.01)

Patent

CA 2534656

A low-E coated article is provided, in certain example embodiments, with a layer including silicon oxynitride adjacent the glass substrate in order to improve chemical and/or mechanical durability of the coated article. In certain example embodiments, the coated article may be formed so as to have a fairly high visible transmission (TY or Tvis) to sheet resistance (Rs) ratio (i.e., a ratio Tvis/Rs). The higher this ratio, the better the coated article's combined functionality of providing for both good solar performance (e.g., ability to reflect and/or absorb IR radiation) and high visible transmission. Coated articles herein may be used in the context of insulating glass (IG) window units, architectural or residential monolithic window units, vehicle window units, and/or the like.

La présente invention concerne un article enduit à faible potentiel d'oxydoréduction. Dans certains modes de réalisation exemplaires, on a une couche d'oxynitrure de silicium contre le substrat de verre, de façon à améliorer la durée de vie chimique et/ou mécanique de l'article revêtu. Dans certains modes de réalisation exemplaires, l'article revêtu peut être fait de façon à présenter un rapport "émission dans le visible" (TY ou T¿vis?) sur "résistance de la feuille" (R¿s?), c'est-à-dire "T¿vis?/R¿s?" plutôt élevé. Plus ce rapport est élevé, meilleures seront les qualités de cet article revêtu pour ce qui est, non seulement du rendement solaire, et notamment de l'aptitude à réfléchir et/ou absorber les infrarouges, mais aussi l'émission dans le visible. De tels articles revêtus conviennent particulièrement à la réalisation de vitrages en verre isolants, de vitrages monolithiques architecturaux ou résidentiels, de vitrages automobiles et/ou analogues.

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