Glass manufacturing – Processes – With shaping of particulate material and subsequent fusing...
Patent
1980-09-09
1981-12-08
Lindsay, Jr., Robert L.
Glass manufacturing
Processes
With shaping of particulate material and subsequent fusing...
65 2, 65 13, C03B 37025
Patent
active
043045820
ABSTRACT:
The breaking strength of glass fibers, such as generally utilized in optical communication techniques, is materially improved by subjecting a glass fiber to a heat treatment whereby the glass fiber is relatively slowly pulled through a controlled heat zone having a temperature gradient extending from a temperature at or at least relatively close to the softening temperature of the glass fiber to about room temperature.
REFERENCES:
patent: 3697241 (1972-10-01), Strickland et al.
patent: 3881902 (1975-05-01), De Luca
patent: 3881945 (1975-05-01), Trojer et al.
patent: 4157253 (1979-06-01), Herngvist
Kalish et al., "Probability of Static Failure in Optical Fibers", Applied Physics Letters, vol. 28, #12, 1976, pp. 721-723.
Helfand et al., "Statistics of the Strength of Optical Fibers", J. of Applied Physics, vol. 48, #8, 1977, pp. 3251-3259.
Maurer, "Effect of Dust on Fiber Strength", Applied Physics Letters, vol. 30, #2, 1977, pp. 82-84.
Schonhorn et al., "Epoxy-Acrylate-Coated Fused Silica Fibers with Tensil Strengths . . . Lengths", Applied Physics Letters, vol. 29, #11, 1976, pp. 712-714.
Aussenegg Franz
Deserno Ulrich
Rosenberger Dieter
Lindsay, Jr. Robert L.
Siemens Aktiengesellschaft
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