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Class Information
Number: 117/214
Name: Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor > Apparatus > For crystallization from liquid or supercritical state > Seed pulling > Including details of precursor replenishment
Description: Subject matter in which precursor* replenishment means are described in some detail.


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7591895 Method and apparatus for producing crystals Sep. 22, 2009
7524371 Method for manufacturing defect-free silicon single crystal Apr. 28, 2009
7465351 Melter assembly and method for charging a crystal forming apparatus with molten source material Dec. 16, 2008
7368011 Apparatus for manufacturing silicon single crystal, method for manufacturing silicon single crystal, and silicon single crystal May. 6, 2008
7335257 Apparatus for and method of manufacturing a single crystal rod Feb. 26, 2008
7326297 Device for the production of crystal rods having a defined cross-section and column-shaped polycrystallization structure by means of floating-zone continuous crystallization Feb. 5, 2008
7323047 Method for manufacturing granular silicon crystal Jan. 29, 2008
7311772 Apparatus and method for supplying raw material in Czochralski method Dec. 25, 2007
7172656 Device and method for measuring position of liquid surface or melt in single-crystal-growing apparatus Feb. 6, 2007
7060133 Single crystal pulling apparatus for a metal fluoride Jun. 13, 2006
7052547 Apparatus for supplying raw material May. 30, 2006
7001456 Apparatus and method for supplying Crystalline materials in czochralski method Feb. 21, 2006
6984263 Shallow melt apparatus for semicontinuous czochralski crystal growth Jan. 10, 2006
6916371 Apparatus for growing stoichiometric lithium niobate and lithium tantalate single crystals and method of growing the same Jul. 12, 2005
6908509 CZ raw material supply method Jun. 21, 2005
6899760 Silicon single crystal growing furnace supplemented with low melting point dopant feeding instrument and the low melting point dopant feeding method thereof May. 31, 2005
6896732 Source material feeder apparatus for industrial crystal growth systems May. 24, 2005
6805746 Method for supplying CZ material Oct. 19, 2004
6702892 Production device for high-quality silicon single crystals Mar. 9, 2004
6660082 Method and apparatus for doping a melt with a dopant Dec. 9, 2003
6562132 EFG crystal growth apparatus and method May. 13, 2003
6423137 Single crystal material supplying apparatus and single crystal material supplying method Jul. 23, 2002
6361597 Single crystal material auxiliary melting apparatus and single crystal material melting method Mar. 26, 2002
6231669 Crystal pulling unit May. 15, 2001
6200383 Melt depth control for semiconductor materials grown from a melt Mar. 13, 2001
6179914 Dopant delivery system and method Jan. 30, 2001
6106617 Apparatus for feeding raw material into a quartz crucible Aug. 22, 2000
6077345 Silicon crystal growth melt level control system and method Jun. 20, 2000
6059876 Method and apparatus for growing crystals May. 9, 2000
6036775 Single crystal-growing method and apparatus Mar. 14, 2000
6027563 Method and apparatus for the oriented solidification of molten silicon to form an ingot in a bottomless crystallization chamber Feb. 22, 2000
6019838 Crystal growing apparatus with melt-doping facility Feb. 1, 2000
6019842 Method and apparatus for loading raw material into a quartz crucible Feb. 1, 2000
6007621 Apparatus for feeding raw material into a quartz crucible and method of feeding the same Dec. 28, 1999
5976245 Czochralski crystal growing system Nov. 2, 1999
5961720 Single crystal-growing apparatus Oct. 5, 1999
5958133 Material handling system for growing high-purity crystals Sep. 28, 1999
5925147 Process for producing single crystals Jul. 20, 1999
5900055 Method of manufacturing silicon monocrystal by continuously charged Czochralski method May. 4, 1999
5891245 Single crystal pulling method and apparatus for its implementation Apr. 6, 1999
5888293 Material supplied for fabricating single-crystal semiconductor Mar. 30, 1999
5876496 Method for feeding a granular raw material and feeding apparatus Mar. 2, 1999
5873938 Single crystal pulling apparatus Feb. 23, 1999
5871581 Single crystal pulling apparatus Feb. 16, 1999
5868835 Apparatus for recharging of silicon granules in a czochralski single crystal growing operation Feb. 9, 1999
5820649 Method of and apparatus for continuously producing a solid material Oct. 13, 1998
5779792 Single crystal pulling apparatus Jul. 14, 1998
5587016 Controlled feeding Czochralski apparatus Dec. 24, 1996
5580171 Solids mixing, storing and conveying system for use with a furnace for single crystal silicon production Dec. 3, 1996
5492078 Process for the controlled feeding of a melting crucible with particles during the drawing of crystals by the czochralski method Feb. 20, 1996

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