C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
32/23, 117/86
C03C 17/02 (2006.01) C03C 17/00 (2006.01) C03C 17/245 (2006.01) C23C 16/40 (2006.01) C23C 16/54 (2006.01)
Patent
CA 2019191
A method of pyrolytically forming a silicon oxide coating on a hot glass substrate as it travels past a coating chamber comprises contacting the substrate with silane-containing coating precursor material in the presence of oxygen. The silane-containing coating precursor material is in the vapour phase and it and gaseous oxygen are intimately mixed before they enter the coating chamber to contact the substrate. Silane as coating precursor material may be conveyed towards the coating chamber in vapour phase in a substantially inert carrier gas stream and oxygen introduced into the silane-containing earner gas stream before it enters the coating chamber. The coating operation may take place within a coating chamber within a float chamber in which the glass is formed into a ribbon. The coating chamber may be defined by the ribbon path and a downwardly opening hood, and it may be aspirated around substantially the whole of its periphery.
Terneu Robert
Thomas Jean-Francois
Glaverbel
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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