FINISHED SEMI FINISHED OPHTHALMIC LENSES

Brand	Owner (click to sort)	Address	Description
AO 55	AMERICAN OPTICAL IP CORPORATION	12121 Scripps Summit Drive, Suite 400 San Diego CA 92131	finished and semi-finished ophthalmic lenses;55;
S	SILOR OPTICAL, INC.	262 GLEN HEAD ROAD GLEN HEAD NY 11545	FINISHED AND SEMI-FINISHED OPHTHALMIC LENSES;
S SILOR	SILOR OPTICAL, INC.	262 GLEN HEAD ROAD GLEN HEAD NY 11545	FINISHED AND SEMI-FINISHED OPHTHALMIC LENSES;
SILOR	ESSILOR OF AMERICA, INC.	13515 N. Stemmons Frwy. Dallas TX 75234	FINISHED AND SEMI-FINISHED OPHTHALMIC LENSES;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

An Al/Cu/Mg/Mn alloy for the production of semi-finished products with high static and dynamic strength properties has the following composition: 0.3-0.7 wt % silicon (Si), max. 0.15 wt. % iron (Fe), 3.5-4.5 wt % copper (Cu), 0.1-0.5 wt. % manganese (Mn), 0.3-0.8 wt. % magnesium (Mg), 0.5-0.15 wt % titanium (Ti), 0.1-0.25 wt % zirconium (Zr), 0.3-0.7 wt. % silver (Ag), max. 0.05 wt. % others individually, max 0.15 wt. % others globally, the remaining wt. % aluminum (Al). The invention further relates to a semi-finished product made for such an alloy and a method of production of a semi-finished product made for such an alloy.