Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tadayuki Imai0
Masahiro Sasaura0
Takashi Kurihara0
Takashi Kobayashi0
Hiroki Kohda0
Kazuo Fujiura0
Date of Patent
September 22, 2009
0Patent Application Number
105718870
Date Filed
June 10, 2005
0Patent Primary Examiner
Patent abstract
A method and an apparatus for producing crystals wherein crystal quality can be kept and a crystal composition is uniformed from a growth early stage to a growth last stage are provided. In an apparatus for producing crystals wherein the crystals 13 are grown from a liquefying raw material 12 in a crucible retained in a furnace and slowly cooling the raw material 12 in the crucible 11 from below upward, the apparatus comprises a raw material supply apparatus 18 which supplies a resupply raw material, and a reflection plate 20 placed above the crucible 11, which liquefies the resupply raw material 19 supplied from the raw material supply apparatus 18 and drops it as a liquid into the crucible.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
