Production process of composite optical filter

Details Production process of composite optical filter Production process of composite optical filter

1995-11-06

1998-08-11

Dzierzynski, Paul M.

Optical: systems and elements

Absorption filter

359580, 359350, 252582, G02B 522, G02B 528, F21V 900

Patent

active

057935440

ABSTRACT:
A component optical filter and a process for production of the filter includes the steps of arranging a pair of transparent plates, at least one of which has an optical low-pass filtering function, to oppose each other with a gap therebetween and filling the gap with a monomer composition of the formula PO(OH).sub.n R.sub.3 -n wherein R is a polymerizable functional group represented by CH.sub.2 .dbd.CXCOO(C.sub.2 H.sub.4 O).sub.m- and (c) a metallic compound composed of a copper compound, and then subjecting the monomer composition to a polymerization treatment. The result is a laminated composite filter having at least one optical low-pass filter and an intermediate layer forming a luminosity factor-compensating filter.

REFERENCES:
patent: 4626740 (1986-12-01), Fitzpatrick
patent: 5020884 (1991-06-01), Murphy
patent: 5390045 (1995-02-01), Bernard
patent: 5466755 (1995-11-01), Sakagami et al.

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