Process and apparatus for forming optical fiber preform

Details Process and apparatus for forming optical fiber preform Process and apparatus for forming optical fiber preform

1985-12-16

1987-07-28

Lindsay, Robert

Glass manufacturing

Processes

Forming product or preform from molten glass

65 182, 427163, C03B 1906, C03B 37027

Patent

active

046829946

ABSTRACT:
An improved method for forming optical fiber preforms by the chemical vapor deposition technique utilizes an elongated burner having an array of burner orifices that forms an elongated silica particle stream having a thickness generally related to the diameter dimensions of a cylindrical preform starter rod. The burner can be formed as an elongated plate having the array of gas ports that produce the desired or silica stream. As a consequence, high initial silica particle deposition rates are obtained compared to prior methods utilizing circular burners, with the high initial deposition rates maintained throughout preform fabrication to result in an increase in preform production rates with an accompanying reduction in costs.

REFERENCES:
patent: 3428519 (1969-02-01), Zvanut
patent: 3775075 (1973-11-01), Keck et al.
patent: 4062665 (1977-12-01), Izawa et al.
patent: 4263032 (1981-04-01), Sinclair et al.
patent: 4295870 (1981-10-01), Schneider et al.
patent: 4302230 (1981-11-01), Macchesney et al.
patent: 4363647 (1982-12-01), Bachman et al.

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