Composite optical element including anti-reflective coating

Details Composite optical element including anti-reflective coating Composite optical element including anti-reflective coating

1985-11-27

1988-07-26

Ives, P. C.

Stock material or miscellaneous articles

Composite

Of fluorinated addition polymer from unsaturated monomers

428509, 428519, 428216, 368317, 264310, 339 17N, 339 17T, 350164, B32B 2700, G02B 110

Patent

active

047599901

ABSTRACT:
A plural-layer, composite, high-transmissivity, optical element with a two-layer, organic, anti-reflective coating. The element includes a base layer, an intermediate layer formed of an organic material which is joined to and distributed over a face in the base layer, and a third layer formed of another organic material which is joined to and distributed over the exposed face in the intermediate layer. The intermediate and third layers cooperatively form the anti-reflective coating. All layers are prepared by spin casting. The solvent used in preparing the intermediate layer is chosen to be one which will not dissolve the base layer, and the solvent used in preparing the third layer is chosen to be one which will not dissolve either the intermediate layer or the base layer.

REFERENCES:
patent: 2628923 (1953-02-01), Yaeger
patent: 2888368 (1959-05-01), Grantham
patent: 4407887 (1983-10-01), Hazhizume et al.
patent: 4585694 (1986-04-01), Dehennau

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