C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 17/36 (2006.01) B32B 17/10 (2006.01)
Patent
CA 2565443
A coated article is provided that may be used as a vehicle windshield, insulating glass (IG) window unit, or the like. Ion beam treatment is performed on a layer(s) of the coating. For example, an overcoat layer (e.g., of silicon nitride) of a low-E coating may be ion beam treated in a manner so as to cause the ion beam treated layer to include (a) nitrogen-doped Si3N4, and/or (b) nitrogen graded silicon nitride. It has been found that this permits durability of the coated article to be improved.
La présente invention concerne un article revêtu convenant comme pare-brise d'automobile, comme vitrage isolant, ou analogue. Le traitement au faisceau d'ions se fait sur une couche du revêtement. Par exemple, une couche de finition telle qu'un nitrure de silicium d'un revêtement à faible émissivité peut avoir été traité au faisceau d'ions de façon à amener la couche traitée à inclure (a) du Si3N4 dopé à l'azote, et/ou (b) du nitrure de silicium équilibré en azote. Il s'est avéré que cela permet d'améliorer la durée de vie de l'article revêtu.
Guardian Industries Corp.
Macpherson Leslie & Tyerman Llp
LandOfFree
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