Optical: systems and elements – Having significant infrared or ultraviolet property – Having ultraviolet absorbing or shielding property
Patent
1993-12-15
1995-07-04
Lerner, Martin
Optical: systems and elements
Having significant infrared or ultraviolet property
Having ultraviolet absorbing or shielding property
65 321, 65 323, 359490, 501 53, 501 56, 501905, G02B 108, C03B 3700, C03C 311, C03C 408
Patent
active
054305730
ABSTRACT:
A UV-absorbing, polarizing glass article and method of making, the glass having an R.sub.2 O-B.sub.2 O.sub.3 -SiO.sub.2 base glass composition, a sharp spectral cut-off at about 400 nm, a precipitated crystal phase consisting of a halide selected from the group composed of cuprous, cadmium and mixed cuprous-cadmium halides, the crystallites in the crystal phase being elongated, and a portion of the crystallites near the surface of the article being at least partially reduced to colloidal copper, whereby the article exhibits permanent dichroic behavior.
REFERENCES:
patent: 3325299 (1967-06-01), Araujo
patent: 3540793 (1970-11-01), Araujo et al.
patent: 3653863 (1972-04-01), Araujo et al.
patent: 3954485 (1976-05-01), Seward, III et al.
patent: 4304584 (1981-12-01), Borelli et al.
patent: 4339256 (1982-07-01), Simms
patent: 4479819 (1984-10-01), Borelli et al.
patent: 4792535 (1988-12-01), Fine
patent: 5045509 (1991-09-01), Kiefer
patent: 5275979 (1994-01-01), Borrelli et al.
patent: 5281562 (1994-01-01), Araujo et al.
patent: 5300465 (1994-04-01), Grateau et al.
patent: 5322819 (1994-06-01), Araujo et al.
Araujo Roger J.
Borrelli Nicholas F.
Lapp Josef C.
Morgan David W.
Corning Incorporated
Janes Jr. Clinton S.
Lerner Martin
Peterson Milton M.
LandOfFree
UV-absorbing, polarizing glass article does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with UV-absorbing, polarizing glass article, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and UV-absorbing, polarizing glass article will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-764717