OPTICAL MEMBER AND PROCESS FOR PRODUCING SAME
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United States of America Patent
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Issued Date -
Jan 26, 2012
app pub date -
Mar 23, 2010
filing date -
Mar 31, 2009
priority date (Note) -
Abandoned
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Abstract
An optical member produced from a ceramic in which transparency in each wavelength region can be selectively improved, and a process for producing the optical member. The optical member is obtained by bringing a treatment gas comprising a fluorine atom into contact with an optical material comprising a specific ceramic under conditions according to the specific ceramic to thereby from a fluorinated film capable of improving the transmittance of light having wavelengths in a specific region, on at least some of the surface of the optical material.
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