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

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

1992-03-10

1993-01-19

Arnold, Bruce Y.

Optical: systems and elements

Light interference

Produced by coating or lamina

359589, G02B 110

Patent

active

051811421

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 ununiform. The anti-reflecting effect of the formed layer is equivalent to that of a conventional anti-reflecting film consisting of three or more than three layers.

REFERENCES:
patent: 4161560 (1979-07-01), Kienel
patent: 4172156 (1979-10-01), Ritter et al.
patent: 4374158 (1983-02-01), Taniguchi et al.
patent: 4535026 (1985-08-01), Yoldas et al.

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