Optical glasses

Details Optical glasses Optical glasses

1976-10-08

1977-11-08

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 54, C03C 308

Patent

active

040574350

ABSTRACT:
Glasses are disclosed that have a high refractive index on the order of 1.7 or greater, a low density on the order of 3 gm./cm..sup.3, good chemical durability and a dispersive index on the order of 40 or more. These glasses belong to a CaO--La.sub.2 O.sub.3 --TiO.sub.2 --B.sub.2 O.sub.3 --SiO.sub.2 family and are particularly useful in strong correction ophthalmic lenses and space optics.

REFERENCES:
patent: 3935020 (1976-01-01), Deeg et al.
patent: 3960579 (1976-06-01), Broemer et al.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-228047