Method of making coatings on glass surfaces
First Claim
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1. A process for forming an underlayer on a glass surface comprising directing on to the hot glass surface at a temperature of 600°
- C. to 750°
C. a gaseous mixture of a silane, an unsaturated hydrocarbon compound and an oxygen-containing gas other than carbon dioxide which does not react chemically with the silane at approximately 20°
C. thereby depositing a transparent layer containing silicon and oxygen on the glass surface.
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Abstract
Coatings, which act as barrier layers to inhibit migration of alkali metal ions from a glass surface and/or act as color suppressing underlayers for overlying infra-red reflecting or electrically conducting layers, are deposited by pyrolysis of a gaseous mixture of a silane, an unsaturated hydrocarbon and an oxygen-containing gas other than carbon dioxide which does not react with the silane at room temperature on a hot glass surface at a temperature of 600° C. to 750° C.
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Citations
10 Claims
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1. A process for forming an underlayer on a glass surface comprising directing on to the hot glass surface at a temperature of 600°
- C. to 750°
C. a gaseous mixture of a silane, an unsaturated hydrocarbon compound and an oxygen-containing gas other than carbon dioxide which does not react chemically with the silane at approximately 20°
C. thereby depositing a transparent layer containing silicon and oxygen on the glass surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- C. to 750°
Specification