Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Keita Sakai0
Date of Patent
September 12, 2006
0Patent Application Number
106571660
Date Filed
September 9, 2003
0Patent Primary Examiner
Patent abstract
A method for manufacturing calcium fluoride single crystal includes the step of cooling the calcium fluoride single crystal so that maximum shear stress inside the calcium fluoride single crystal caused by thermal stress is approximately equal to or smaller than critical resolved shear stress (τc) in a <1 1 0> direction of on a {0 0 1} plane of the calcium fluoride single crystal.
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