US Patent:
20080115721, May 22, 2008
Inventors:
Olexy V. Radkevich - Schaumburg IL, US
Efim Toutchinskii - Streamwood IL, US
Yuriy Yakovlev - Palatine IL, US
Robert S. Zwolinski - Elmhurst IL, US
International Classification:
C30B 29/12
C30B 33/02
Abstract:
The present disclosure provides methods for forging cylindrical alkali halide melt-grown single-crystal-type ingots into rectangular blocks. The resulting rectangular blocks are devoid of peripheral cracks and fissures, and possess uniform properties and reduced levels of impurities.