Production of silica soot bodies
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United States of America Patent
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Mar 15, 2016
Grant Date -
Apr 17, 2014
app pub date -
Apr 3, 2012
filing date -
Apr 8, 2011
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Abstract
Processes for the manufacture of a hollow cylindrical porous body of synthetic vitreous silica soot by outside vapor deposition on a mandrel are described, in which the temperature of the mandrel is controlled to be substantially constant throughout the deposition process. In preferred embodiments, the mandrel is composed of metal or metal alloy. Hollow ingots of pure or doped synthetic vitreous silica glass manufactured by such processes are also described.
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