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AssigneeSchott Glaswerke
InventorsNanning J. Arfsten, Reinhard Kaufmann, Helmut Dislich
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A process for the production of transparent, electrically conductive, infrared-reflecting indium oxide-tin oxide layers, especially on glass panes, involves steps wherein the glass panes are dipped into a first solution containing a hydrolyzable silicon compound and hydrolyzable compounds of titanium, zirconium, aluminum, tin or tantalum; the glass panes are heated up to 450.degree. C. in a moisture-containing atmosphere; the initially coated panes are dipped into a second solution containing hydrolyzable compounds of indium and of tin; the panes are dried at temperatures below 250.degree. C.; and the panes are finally heated up to 550.degree. C. in a reducing atmosphere.
A process for the production of transparent, electrically conductive, infrared-reflecting indium oxide-tin oxide layers on a substrate, comprising,
A float glass window pane coated on both sides with an indium oxide-tin oxide layer, and an intermediate barrier layer comprising a mixed oxide of SiO.sub.2 with at least one oxide of Ta, Zr, Ti, Al or Sn and having the following properties:
A float glass pane with an indium oxide-tin oxide layer and an intermediate barrier layer comprising a mixed oxide of SiO.sub.2 with at least one oxide of Ta, Zr, Ti Al or Sn, and having the following properties:
Dependencies are inferred from the claim text.