C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 17/25 (2006.01) C03C 17/02 (2006.01) G02B 1/10 (2006.01)
Patent
CA 2342927
According to the invention, optical layers with uniform layer thickness are produced by spraying on a substrate a coating composition produced according to the sol-gel process and containing a high boiling solvent, which is based on inorganic or organically modified components using a flat spray facility and subjecting it to thermal treatment. The wet film thickness during spraying of the coating composition on the substrate is preferably regulated in such a way that it is at least eight times bigger than the desired dry film thickness.
Selon l'invention, on produit des couches optiques d'une épaisseur régulière en pulvérisant sur un substrat, au moyen d'une installation de pulvérisation à plat, une composition de revêtement contenant un solvant à haut point d'ébullition, à base de composants inorganiques ou inorganiques organiquement modifiés, et en soumettant ensuite ladite composition à un traitement thermique. L'épaisseur de film à l'état humide est, lors de la pulvérisation de la composition de revêtement sur le substrat, de préférence réglée pour être plus grande d'au moins huit fois que l'épaisseur de film a l'état sec désirée.
Fink-Straube Claudia
Kalleder Axel
Koch Thomas
Mennig Martin
Schmidt Helmut
Institut Fur Neue Materialien Gemeinnutzige Gmbh
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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