Plastic lens and method of forming anti-reflecting layer on a pl

Details Plastic lens and method of forming anti-reflecting layer on a pl Plastic lens and method of forming anti-reflecting layer on a pl

1991-04-26

1992-05-26

Bell, Janyce

Coating processes

Optical element produced

Transparent base

427273, 427274, 427336, 427352, B05D 506

Patent

active

051166445

ABSTRACT:
A plastic lens having an anti-reflecting and hard coat layer is provided. The anti-reflecting layer is formed by coating a lens with a hard coat solution containing at least one oxide sol, hardening the coated solution to give a hard coat layer and immersing the lens into an acidic or alkaline solution to dissolve the oxide particles contained in the hard coat layer so as to make the layer non-uniform.
The anti-reflecting effect of the formed layer is equivalent to that of a conventional anti-reflecting film consisting of at least three layers.

REFERENCES:
patent: 4374158 (1983-02-01), Taniguchi et al.

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