Optical glass

Details Optical glass Optical glass

1976-07-01

1978-03-21

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

156 47Q, C03C 314, C03C 330

Patent

active

040802167

ABSTRACT:
An optical glass having a refractive index (nd) in the range of 1.71 to 1.74 and Abbe number (v) in the range of from 49 to 54, the glass consisting essentially of, by weight, 1 to 5% SiO.sub.2, 30 to 41% B.sub.2 O.sub.3, 2 to 6% Al.sub.2 O.sub.3, 42 to 50% La.sub.2 O.sub.3, 3 to 7% ZrO.sub.2, and 1 to 12% Ta.sub.2 O.sub.5.

REFERENCES:
patent: 2899322 (1959-08-01), Bromer et al.
patent: 3081178 (1963-03-01), Weissenberg et al.
patent: 3082101 (1963-03-01), Geffcken et al.
patent: 3672920 (1972-06-01), Ishiguri

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-569361