Rapid, thermally cured, back side mar resistant and...

Details Rapid, thermally cured, back side mar resistant and... Rapid, thermally cured, back side mar resistant and...

2006-12-05

2006-12-05

Bashore, Alain L. (Department: 1762)

Coating processes

Optical element produced

Transparent base

C427S493000, C427S512000, C427S515000, C427S240000, C427S425000, C427S372200, C427S379000, C427S380000, C427S385500, C427S386000, C427S387000, C427S393500, C351S166000, C351S177000, C359S581000

Reexamination Certificate

active

07144598

ABSTRACT:
Disclosed is a process to rapidly spin-apply an AR coating system to a backside of a prescription lens. The AR coating system comprises a polyurethane primer layer, a siloxane thermally cured scratch resistant coating layer, a two-layer sol-gel AR coating, and a hydrophobic layer. The process comprising steps of spin-applying each of the layers provides a quick way to furnish a prescription lens that is AR coated on both sides.

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