Methods for optical fiber manufacture
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United States of America Patent
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Issued Date -
Jun 21, 2007
app pub date -
Dec 19, 2005
filing date -
Dec 19, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The specification describes an improved VAD method wherein a multi-layer preform, with three or more layers of material having different refractive indices, are produced. The method involves the combination of tandem dual torch deposition, and multiple pass deposition, without consolidation between multiple passes.
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