Multi-layered coating for optical part comprising YF.sub.3 layer

Details Multi-layered coating for optical part comprising YF.sub.3 layer Multi-layered coating for optical part comprising YF.sub.3 layer

1990-05-18

1994-01-25

Arnold, Bruce Y.

Optical: systems and elements

Having significant infrared or ultraviolet property

Multilayer filter or multilayer reflector

359359, 359380, 359587, G02B 520, F21V 906

Patent

active

052820840

ABSTRACT:
The present invention relates to a multi-layered coating for an optical part comprising at least a YF.sub.3 layer between a substrate and a dielectric material layer.

REFERENCES:
patent: 3330681 (1967-07-01), Scharf et al.
patent: 4714308 (1987-12-01), Sawamura et al.
patent: 4726654 (1988-02-01), Kimura et al.
patent: 4784467 (1988-11-01), Akatsuka et al.
patent: 4840281 (1989-06-01), Phillips et al.
patent: 4944581 (1990-07-01), Ichikawa
patent: 4979802 (1990-12-01), Ichikawa
patent: 4997241 (1991-03-01), Muratomi
patent: 5007710 (1991-04-01), Nakajima et al.

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