Method for manufacturing optical fiber preforms
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United States of America Patent
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Nov 27, 2007
Grant Date -
Jun 17, 2004
app pub date -
Nov 30, 2001
filing date -
Dec 19, 2000
priority date (Note) -
Expired
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Abstract
Method and burner for increasing the deposition rate of porous glass deposit in the manufacture of optical preforms, by modifying the cross-sectional shape of the flow of glass particles impacting onto a target preform. In particular, the cross-section of the flow of glass particles is modified by increasing the dimension of the flow from a circular cross-section to one having a major and minor axis in a direction substantially perpendicular to the longitudinal axis of the target preform.
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