PHOTOSENSITIVE GLASS AND PRODUCTION METHOD THEREFOR
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United States of America
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Issued Date -
Feb 6, 2025
app pub date -
Jul 31, 2024
filing date -
Jul 31, 2024
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Abstract
The present invention relates to a photosensitive glass, having a β-OH value of 0.20/mm or less. The present invention also relates to the photosensitive glass, having a difference between a crystal precipitation temperature after an exposure and a crystal precipitation temperature before the exposure of 10° C. or more, the exposure being performed so that a cumulative amount of a light having a wavelength of 280 nm to 360 nm is 2 J/cm2 or more.
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