Fabrication of a lightguide preform by the outside vapor deposit

Details Fabrication of a lightguide preform by the outside vapor deposit Fabrication of a lightguide preform by the outside vapor deposit

1986-09-02

1987-11-24

Lindsay, Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 2, 65 13, 65 182, C03B 37023

Patent

active

047087269

ABSTRACT:
A lightguide preform is fabricated by depositing a thin carbon layer (40) on a cylindrical glass mandrel (30) and further depositing a plurality of glassy soot layers (32) thereover. The resulting composite structure is heated, in a furnace, at a low temperature to remove the carbon layer (40) and then heated at an elevated temperature to consolidate the glassy soot layers on the glass mandrel to form the lightguide preform.

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patent: 4486212 (1984-12-01), Berkey

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