Product and process for forming same

Details Product and process for forming same Product and process for forming same

1975-02-06

1980-03-11

Vertiz, O. R.

Compositions: coating or plastic

Coating or plastic compositions

Marking

156 398, C03C 322, C03C 304, C03C 320

Patent

active

041926889

ABSTRACT:
Colored and/or transparent, low-expansion, crystallized glass-ceramics formed by thermal in situ crystallization from a differently colored crystallizable base glass and having lithium-containing crystals as the predominant crystalline species. The products have coefficients of thermal expansion of less than about 12 x 10.sup.-7 per .degree.C. over the range of 0 to 300.degree. C. Telescope mirror blanks can be made from the transparent, low-expansion, crystallized glass-ceramics.

REFERENCES:
patent: 2920971 (1960-01-01), Stookey
patent: 3157522 (1964-11-01), Stookey
patent: 3241985 (1966-03-01), Kuwayama
patent: 3282712 (1966-11-01), Tashiro et al.
patent: 3380818 (1968-04-01), Smith
patent: 3428513 (1969-02-01), Denman

Affiliated with

Also associated with

Rating

Product and process for forming same does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1999537