Optical glass

Details Optical glass Optical glass

1977-11-29

1979-03-13

McCarthy, Helen

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 54, 106 52, 106 53, C03C 314, C03C 312

Patent

active

041440765

ABSTRACT:
Optical glass of high refractive index and low dispersion comprises 25-40% of B.sub.2 O.sub.3 11-30% of ZnO, 28-44% of La.sub.2 O.sub.3, 1-25% of Y.sub.2 O.sub.3, 0-20% of alkaline earth metal oxides, 0-5% of SiO.sub.2, 0-5% of Al.sub.2 O.sub.3, 0-15% of PbO, 0-10% of ZrO.sub.2 and 0-10% of Ta.sub.2 O.sub.5, all percentages being by weight.

REFERENCES:
patent: RE21175 (1939-08-01), Morey
patent: 3958999 (1976-05-01), Izumitani

Affiliated with

Also associated with

Rating

Optical glass does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical glass, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical glass will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2370091