METHOD OF MODIFYING A CTE OF AN ULTRA LOW EXPANSION GLASS BODY
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United States of America
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Dec 5, 2024
app pub date -
May 9, 2024
filing date -
May 9, 2024
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Abstract
A method of modifying the CTE of a glass body is described, the method including determining a spatial CTE distribution of a ULE glass body including SiO2 in a range from about 80 wt. % to about 99 wt. % and TiO2 in a range from about 4 wt. % to about 11 wt. %, the glass body further including at least a first region and a second region, and directing a pulsed laser beam to at least one of the first region or the second region to modify at least one of a first CTE of the first region or a second CTE of the second region.
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