Glass manufacturing – Processes of manufacturing fibers – filaments – or preforms – Process of manufacturing optical fibers – waveguides – or...
Patent
1997-07-18
2000-05-02
Hoffmann, John
Glass manufacturing
Processes of manufacturing fibers, filaments, or preforms
Process of manufacturing optical fibers, waveguides, or...
65537, 65540, C03B 37029
Patent
active
06055830&
ABSTRACT:
A furnace minimizes the lowering of the quality of optical fibers, especially those lowerings of the quality that stems from variations of the conditions inside of the furnace. These variations can occur when a preform is connected to an auxiliary quartz rod of differing diameters. Also, the furnace has an inlet sleeve which minimizes fluctuations in flow speed of the inert gases and the pressures inside the furnace.
REFERENCES:
patent: 4383843 (1983-05-01), Iyengar
patent: 5133796 (1992-07-01), Tsychiya
Bushnell Esq. Robert E.
Hoffmann John
Samsung Electronics Co,. Ltd.
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