Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Noboru Suda0
Toshio Suzuki0
Shin Sugawara0
Hisao Arimune0
Nobuyuki Kitahara0
Date of Patent
August 17, 2010
0Patent Application Number
120304520
Date Filed
February 13, 2008
0Patent Primary Examiner
Patent abstract
A crucible is formed of a cylindrical body member and a disk-shaped nozzle member fitted to the bottom portion of the body member, and the nozzle member is provided with a nozzle hole for discharging out a semiconductor molten solution dropwise therethrough. The semiconductor molten solution drops discharged out of the crucible through the nozzle hole are cooled and solidified during falling to become semiconductor grains. Silicon grains having high crystal quality can be manufactured at low cost.
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