Heat-reflecting glass pane and a process for the production...

Details Heat-reflecting glass pane and a process for the production... Heat-reflecting glass pane and a process for the production...

C - Chemistry, Metallurgy

23

C

117/81

C23C 16/00 (2006.01) C03C 17/34 (2006.01)

Patent

CA 1096715

TITLE OF THE INVENTION "Heat-reflecting glass pane and a process for the production thereof" ABSTRACT OF THE DISCLOSURE A heat reflecting pane comprises a substantially trans- parent glass substrate which has a layer of silicon oxide thereon and a layer of titanium dioxide in the rutile form on the side of the silicon oxide layer remote from the glass pane, the glass substrate having been toughened by heat treatment. The pane is formed by coating the glass substrate with a thin layer of silicon oxide, then applying a layer of titanium to the silicon oxide layer by vacuum deposition, then oxidizing the titanium at over 550°C to form titanium oxide in the rutile form. The silicon oxide layer prevents the rutile layer from becoming opaque when the pane is heated to the temperature necessary for heat treatment of the glass substrate, which may be during the heating step in which the titanium is oxidized or may be subsequently.

287154

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