Photosensitive glass

Details Photosensitive glass Photosensitive glass

1992-06-19

1993-05-18

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 64, C03C 406, C03C 3095

Patent

active

052121208

ABSTRACT:
A photosensitive borosilicate glass which consists essentially in calculated weight percent on an oxide basis of 20-80% SiO.sub.2, 8-40% B.sub.2 O.sub.3, 0-6% Li.sub.2, 0-28% Na.sub.2, 0-25% K.sub.2 O, the total Na.sub.2 O+K.sub.2 O being 10-28%, 0-18% Al.sub.2 O.sub.3 and minor amounts of photosensitizing agents silver, cerium oxide, antimony oxide and bromine and/or chlorine, the cation ratio of R.sub.2 O--Al.sub.2 O.sub.3 to B.sub.2 O.sub.3 being at least 0.6.

REFERENCES:
patent: 2515936 (1950-07-01), Armistead, Jr.
patent: 2515937 (1950-07-01), Stookey
patent: 2515943 (1950-07-01), Stookey
patent: 4017318 (1977-04-01), Pierson et al.
patent: 4057408 (1977-11-01), Pierson et al.
patent: 4160654 (1979-07-01), Bartholomew et al.
patent: 4407966 (1983-10-01), Kerko et al.
patent: 4549894 (1985-10-01), Araujo et al.
World Patents Index, Week 8002, Derwent Publications Ltd., London, GB; AN 80-03343C & SU-A-659 540 (As Geor Cybernetics) 30 Apr. 1979 (Abstract).
Glass Technology, vol. 20, No. 4, Aug. 1979, Sheffield, GB, pp. 149-157; G. P. Smith: `Some Light on Glass`, p. 150, right column, p. 151, left column.
Scientific American, vol. 264, No. 4, Apr. 1991, New York, U.S., pp. 56-61; D. M. Trotter, Jr.: `Photochromic and Photosensitive Glass` (whole document).

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-804351