Method for preparing an optical glass for edge grinding,...

Details Method for preparing an optical glass for edge grinding,... Method for preparing an optical glass for edge grinding,...

C - Chemistry, Metallurgy

03

C

C03C 17/00 (2006.01) C03C 17/42 (2006.01)

Patent

CA 2447530

The invention concerns a method for preparing an optical glass for edge grinding, comprising a hydrophobic and/or oil-repellent coating. The invention is characterised in that it consists in depositing on the surface of said glass a temporary protective layer providing the glass with surface energy not less than 15 mJ/m?2¿.

L'invention a pour objet un procédé pour rendre apte au débordage un verre comportant un revêtement de surface hydrophobe et/ou oléophobe. Conformément à l'invention, caractérisé en ce que l'on dépose à la surface dudit verre une couche protectrice temporaire conférant au verre une énergie de surface au moins égale à 15 mJ/m2.

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