Patent ID: 7144598

Claim:
A process for spin applying an AR coating system onto at least one surface of a lens made of polymer within the same spin coating unit, which comprises: (a) Providing a semi-finished lens wherein a front surface of said semi-finished lens has a pre-applied AR coating; (b) Creating a prescription power in said lens by grinding a back surface of said lens; (c) Applying a thermally curable siloxane hard coating composition to said back surface in a spin coating unit; (d) Precuring said hard coating to a tack-free state in the same spin coating unit at a set temperature for a set time; (d) Applying a high index layer of an AR coating to said back surface at a set spin rate for a set time in said same spin coating unit, and precuring the layer at a set temperature and for a set time; (f) Applying a low index layer of an AR coating to said back surface at a set spin rate for a set time in said same spin coating unit, and precuring the layer at a set temperature and for a set time; (g) Applying a hydrophobic coating layer to said back surface at a set spin rate for a set time in said same spin coating unit; (h) Substantially fully curing the high index AR coating, the low index AR coating and the hydrophobic coating layer in a vapor curing oven.