Patents for C30B 15 - Single-crystal growth by pulling from a melt, e.g. czochralski method (9,854)
07/1996
07/03/1996CN1125787A Crucible down-going method for growing of lead tungstate (PbWo4) scintillating mega-single crystal
06/1996
06/27/1996DE4447398A1 Appts. for growing crystalline semiconductor rods by Czochralski
06/25/1996US5529051 Method of preparing silicon wafers
06/12/1996EP0716168A1 Method for the preparation of a single crystal of silicon with decreased crystal defects
06/11/1996US5524574 Control of oxygen concentration in single crystal pulled up from melt containing Group-V element
06/05/1996EP0715005A1 Apparatus and process for producing single crystal
05/1996
05/23/1996WO1996015297A1 Process for bulk crystal growth
05/23/1996DE19541372A1 Mfg. quartz crucible for Czochralski semiconductor crystals
05/22/1996EP0712945A1 Method and apparatus for recharging of silicon granules in Czochralski single crystal growing
05/21/1996USRE35242 Method for growing silicon single crystal
05/15/1996EP0536394B1 Method of producing polycrystalline silicon rods for semiconductors and thermal decomposition furnace therefor
05/14/1996US5515810 Heating molten gallium arsenide and boron oxide sealing compound in airtight vessel, pulling up molten gallium arsenide liquid at high pressure
05/01/1996EP0709497A1 Method of growing lutetium oxyorthosilicate crystals and apparatus including lutetium oxyorthosilicate crystal scintillators
04/1996
04/09/1996US5505157 Low hydrogen-content silicon crystal with few micro-defects caused from annealing, and its manufacturing methods
03/1996
03/26/1996US5501172 Method of growing silicon single crystals
03/20/1996EP0702100A1 Apparatus and method for manufacturing single-crystal material
03/07/1996DE4430894A1 Crystal growth from molten zone
03/06/1996CN1118023A Method for pulling growth of beta-barium metaborate from solvent constant level
02/1996
02/27/1996US5493985 Process and apparatus for controlled synthesis and in-situ single crystal growth of phosphorus compounds and the crystals therefrom
02/27/1996US5493984 Terbium aluminate and method for its production
02/20/1996US5492079 Process for producing rods or blocks of semiconductor material and an apparatus for carrying out the process
02/20/1996US5492078 Process for the controlled feeding of a melting crucible with particles during the drawing of crystals by the czochralski method
02/14/1996EP0696652A2 Process and apparatus for measuring, controlling and/or regulating oxygen concentration in silicon melt
02/06/1996US5488924 Hopper for use in charging semiconductor source material
02/06/1996US5488923 Method for producing single crystal
02/01/1996DE19526711A1 Silicon@ wafer mfr. for VLSI mfr.
01/1996
01/30/1996US5487355 Semiconductor crystal growth method
01/30/1996US5487354 Method for pulling a silicon single crystal
01/24/1996EP0693581A1 A caesium-lithium-borate crystal and its application to frequency conversion of laser light
01/24/1996EP0693461A1 Quartz glass crucible, method for producing the same, and apparatus for producing the same
01/23/1996US5485802 Method and apparatus for pulling monocrystals from a melt
01/10/1996EP0691423A1 Method for the preparation of silicon single crystal and fused silica glass crucible therefor
01/04/1996WO1996000317A1 Improvements in crystal growth
12/1995
12/27/1995CN1113970A Descent method for growing large size cesium iodide (CSI) crystal
12/26/1995US5477808 Process for reducing the oxygen incorporation into a single crystal of silicon
12/26/1995US5477806 Method of producing silison single crystal
12/26/1995US5477805 Silicon material is mixed with group V element and melted, holding melt in chamber filled with rare gas
12/19/1995US5476679 Method for making a graphite component covered with a layer of glassy carbon
12/19/1995US5476065 System for pulling-up monocrystal and method of exhausting silicon oxide
12/19/1995US5476064 Pull method for growth of single crystal using density detector and apparatus therefor
12/12/1995US5474022 Double crucible for growing a silicon single crystal
12/12/1995US5474020 Oxygen precipitation control in czochralski-grown silicon cyrstals
12/12/1995US5474019 Process for producing silicon single crystals
12/05/1995US5471949 Apparatus for producing silicon single crystal
12/05/1995US5471943 Process and device for pulling crystals according to the Czochralski method
11/1995
11/22/1995EP0477387B1 Process for producing single crystal of oxide
11/15/1995EP0491892B1 Wet-tip die for efg crystal growth apparatus
11/07/1995US5464159 Method for the contamination-free size reduction of semiconductor material, especially silicon
11/02/1995EP0679737A1 Method of retaining melt of oxide and method of preparing oxide crystal
10/1995
10/31/1995US5462011 Method for pulling single crystals
10/31/1995US5462010 Apparatus for supplying granular raw material for a semiconductor single crystal pulling apparatus
10/18/1995CN1110334A Artificial jewel forming method and special-purpose gem stove
10/17/1995US5458083 Growth method for a rod form of single oxide crystal
10/04/1995EP0675214A1 Method of growing crystals
10/03/1995US5454345 Using crushed single crystal particles; czochralski technique
09/1995
09/19/1995US5450814 Single crystal pulling apparatus having slidable shield plate to control area of opening around single crystal
09/13/1995EP0671491A1 Method of growing silicon single crystals
08/1995
08/31/1995DE4414947A1 Czochralski silicon single crystal drawing where limiting drawing speed is increased to increase efficiency
08/30/1995EP0669413A1 Preparation of silicon melt for use in pull method of manufacturing single crystal
08/29/1995US5445679 Cleaning of polycrystalline silicon for charging into a Czochralski growing process
08/22/1995US5443034 Method and apparatus for increasing silicon ingot growth rate
08/15/1995US5441014 Apparatus for pulling up a single crystal
08/01/1995US5437242 Process and apparatus for controlling the melt level while pulling single crystals
07/1995
07/25/1995US5435263 Method of producing single crystal
07/19/1995EP0426810B1 System for continuously replenishing a melt
07/12/1995CN1029327C Rutile single crystals and their grouth processes
07/11/1995US5431125 Combining magnetic liquid encapsulated Kyropoulos and Czochralski methods to grow indium phosphide
07/11/1995US5431124 Titanium dioxide
07/04/1995US5429067 Czochralski method using a member for intercepting radiation from a raw material molten solution
06/1995
06/27/1995US5427056 Apparatus and method for producing single crystal
06/27/1995CA1336061C High-oxygen-content silicon monocrystal substrate for semiconductor devices and production method therefor
06/22/1995WO1995017016A1 New type of silicon semiconductor plate and process for producing the same
06/14/1995CN1028884C Yttrium aluminium garnet laser crystal admixing with neodymium terbium and cerium and its processing technique
06/13/1995US5423283 Controlling oxygen concentration
06/01/1995DE4442239A1 Appts. for prodn. of single crystals
05/1995
05/31/1995CN1103115A Improved method for growing silicon crystal
05/30/1995US5419786 Semiconductor substrate for bipolar element
05/30/1995US5419462 Apparatus for recharging a heated receptacle with particulate matter at a controlled velocity
05/30/1995US5419277 Method and apparatus for producing a Czochralski growth semiconductor single-crystal
05/24/1995EP0416128B1 Wafer of compound semiconductor
05/17/1995EP0653504A1 Process for making polycristalline or monocristalline objects by growth from a molten bath
05/17/1995EP0557480B1 Multipart supporting crucible
05/16/1995US5416789 Neodymium-doped gehlenite crystal and laser using said crystal
05/16/1995US5415125 Method of forming a semiconductor boule
04/1995
04/25/1995US5408952 Single crystal growth method
04/25/1995US5408951 Adding pre-oxidized dopant
04/20/1995DE4436826A1 Method and apparatus for preparing silicon monocrystals
04/19/1995EP0648867A1 Apparatus for producing silicon single crystal grown by the Czochralski method
04/18/1995US5407907 Crystallization is performed in a liquid phase having different composition than metal oxides to be grown, is contacted with solid phase which supplies components to metal oxide to the liquid phase, heating, precipitation
04/18/1995US5406905 Cast dopant for crystal growing
04/04/1995US5402747 Method of growing crystal
03/1995
03/30/1995DE4332323A1 Drive motor having an electric motor which has a hollow shaft
03/28/1995US5402434 Er:YVO4 laser oscillator, solid-state laser material and method for manufacturing the same
03/22/1995EP0644588A1 Wafer with epitaxial layer having a low defect density
03/21/1995US5398640 Apparatus for growing hollow crystalline bodies from the melt
03/07/1995US5394830 Apparatus and method for growing long single crystals in a liquid encapsulated Czochralski process
03/07/1995US5394829 Device for pulling silicon single crystal
03/07/1995US5394825 Method and apparatus for growing shaped crystals
03/02/1995DE4329283A1 Rotation head for crystal-drawing systems for carrying out the Czochralski process
03/02/1995DE4328982A1 Method for controlling a quantity flow of particles and control arrangement for carrying out the method
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