Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1980-12-12
1982-09-28
Fisher, Richard V.
Glass manufacturing
Processes
Forming product or preform from molten glass
65 313, 65 32, 65 13, C03B 37075, C03C 2502
Patent
active
043516580
ABSTRACT:
A method of inexpensively forming low-loss optical waveguide fibers having high strength. A draw blank comprising a core region surrounded by a thin layer of cladding glass is formed by a CVD technique. The blank is drawn into a preliminary fiber which passes through a double crucible arrangement whereby a tension layer is applied to the thin coating layer of the preliminary fiber and a compression layer is formed on the surface of the tension layer. The expansion coefficient of the tension layer is much greater than that of the core glass, and the expansion coefficient of the compression layer is lower than that of the tension layer.
REFERENCES:
patent: 4145200 (1979-03-01), Yamazaki et al.
patent: 4197136 (1980-04-01), Inoue et al.
patent: 4199337 (1980-04-01), Asam
patent: 4249925 (1981-02-01), Kawashima et al.
Corning Glass Works
Fisher Richard V.
Simmons, Jr. William J.
LandOfFree
Manufacture of optical fibers does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Manufacture of optical fibers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Manufacture of optical fibers will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-398344