Patents for C30B 15 - Single-crystal growth by pulling from a melt, e.g. czochralski method (9,854)
07/1991
07/23/1991US5034200 Crucibles coaxially disposed, multicompartment, doped melts
07/23/1991CA1286571C Crucible recovering method and apparatus therefor
07/16/1991US5032571 Bismuth-based
07/09/1991US5030315 Seeding gallium-arsenic intermetallic from a melt having controlled stoichiometry
07/03/1991EP0435440A1 Method for growing antimony-doped silicon single crystals
06/1991
06/27/1991DE4041901A1 Pyrolytic prodn. of poly:silicon rod - on starter filament held by protectively coated graphite holder
06/26/1991CN1052516A Process for preparing lithium niobate monocrystal by erbium and magnesium doping
06/19/1991EP0432914A1 A method of controlling oxygen concentration in single crystal
06/11/1991CA1284761C Method of synthesizing group iii element-phosphorus compound
06/05/1991EP0429847A1 Method for pulling up single crystal silicon
06/05/1991EP0429839A1 Silicon single crystal growth control apparatus and method forming and using a temperature pattern of heater
06/04/1991US5021225 Crystal pulling apparatus and crystal pulling method using the same
06/04/1991US5021224 Conducts direct current from electrode immersed in growth solution containing source material
06/04/1991US5021118 Crystallization, having uniform impurity concentration; seeding
06/04/1991US5020907 Axis offset measuring device
06/04/1991US5020775 Isolation valve used in a single crystal pulling apparatus
05/1991
05/22/1991EP0428415A1 A method for controlling specific resistance of single crystal
05/22/1991CN1051595A Apparatus for manufacturing silicone single crystals
05/21/1991US5017209 High temperature furnace with thermal insulation
05/15/1991EP0426810A1 System for continuously replenishing melt.
05/08/1991EP0425837A1 Method of adjusting concentration of oxygen in silicon single crystal and apparatus for use in the method
05/08/1991CN1051207A Apparatus for manufacturing silicon single crystals
05/07/1991US5013604 Decomposing di- or deca-borane
05/02/1991WO1991005891A1 Apparatus for manufacturing silicon single crystals
05/02/1991EP0425065A1 Apparatus for manufacturing silicon single crystals
04/1991
04/24/1991CN1050912A Star light gem growing method
04/23/1991US5009865 Bar and crucible magnetic suspension for a crystal-growing apparatus
04/23/1991US5009864 Recharging device for czochralski method
04/23/1991US5009863 Apparatus for manufacturing silicon single crystals
04/23/1991US5009862 Apparatus and process for growing crystals of semiconductor materials
04/18/1991WO1991005087A1 Single crystal oxide substrate, superconductor device produced therefrom, and producing thereof
04/11/1991DE4030551A1 Silicon single crystal prodn. - by czochralski method with oxygen concn. controlled by varying crucible partition immersion depth
04/09/1991US5006317 Process for producing crystalline silicon ingot in a fluidized bed reactor
04/02/1991US5004519 Radiation heat shield for silicon melt-in manufacturing of single crystal silicon
03/1991
03/27/1991EP0419061A2 Method for pulling a silicon single crystal
03/27/1991EP0419044A1 Single crystal silicon
03/20/1991EP0417948A2 Method and apparatus for pulling up silicon single crystal
03/20/1991EP0417132A1 Lithium niobate single crystals with congruent composition and process for producing them.
03/13/1991EP0416799A2 A single crystal pulling apparatus
03/13/1991EP0416128A1 Wafer of compound semiconductor
03/05/1991US4997628 Concentric slots
03/05/1991US4997515 Reacting potassium dihydrogen phosphate, potassium carbonate, titania and flux of tungsten trioxide in furnace, cooling, seeding
02/1991
02/26/1991US4996187 Epitaxial Ba-Y-Cu-O superconductor film
01/1991
01/30/1991CN1048900A Apparatus of manufacturing silicon single crystal
01/23/1991EP0267941B1 Process for preparing single crystal binary metal oxides of improved purity
01/23/1991EP0188614B1 Shaped crystal fiber growth method
01/22/1991CA1279239C Process of pulling a crystal
01/16/1991CN1048569A Monocrystal lithium uniformly doped with magnesium niobic acid and its preparing method
01/16/1991CN1048526A Apparatus for feeding granular silicon material
01/09/1991EP0406824A1 Apparatus for feeding granular silicon material
01/02/1991CN2068513U Crucible with filter for producing monocrystal
01/01/1991US4981549 Method and apparatus for growing silicon crystals
12/1990
12/27/1990EP0403560A1 Growing semiconductor crystalline materials.
12/25/1990US4980015 Method for pulling single crystals
12/25/1990US4979973 Preparation of fused silica glass by hydrolysis of methyl silicate
12/19/1990CN1047894A Apparatus for manufacturing single silicon crystal
12/11/1990CA1277576C Gallium arsenide single crystals with low dislocation density and high purity
12/05/1990EP0400995A1 Single crystal pulling apparatus and method
12/05/1990EP0400266A1 Apparatus for manufacturing single silicon crystal
12/05/1990CN1047541A System for continuously replenishing melt
11/1990
11/29/1990WO1990014450A1 System for continuously replenishing melt
11/27/1990US4973518 Monocrystal rod pulled from a melt
11/27/1990US4973454 Constant impurity concentration
11/27/1990US4973377 Computer control of melt temperature and rotational speed of crucible
11/20/1990US4971652 Method and apparatus for crystal growth control
11/20/1990US4971650 Method of inhibiting dislocation generation in silicon dendritic webs
11/13/1990US4970060 Pure or mixed monocrystalline boules of lanthanum orthogallate
11/13/1990US4969745 Device for measuring offset of axis of crystal lifting wire
11/07/1990EP0396284A1 Wire vibration prevention mechanism for a single crystal pulling apparatus
11/06/1990US4968380 Growth of hollow crystals of silicon
10/1990
10/31/1990CN1046567A Technology for removing dross on surface of fusant
10/24/1990CN1046360A Apparatus for manufacturing silicon signle crystals
10/17/1990EP0392210A1 Method for growing single crystal
10/17/1990CN1010037B Process for growing shaped single crystals
10/17/1990CN1010036B Apparatus for growing profieled single crystals
10/16/1990US4963334 High temperature heat pipe coracle and process
10/16/1990US4963178 Apparatus for making quartz glass crucibles
10/10/1990EP0391709A2 Single silicon crystal sparingly susceptible of stacking fault induced by oxidation and method for production thereof
10/10/1990CN2063525U Equal diameter pulling apparatus for single crystal growing furnace
10/10/1990CN1045999A Method of growing mixed crystals from oxidic multi-component systems
10/10/1990CA2012323A1 Method for growing single crystal
10/09/1990US4962504 Mixed lanthanide-magnesium aluminates and lasers using monocrystals of these aluminates
10/09/1990US4961919 Monocrystalline material having garnet structure
10/03/1990EP0390672A2 Method for heat process of silicon
10/03/1990EP0390671A2 Process for determination of concentrations of metal impurities in Czochralski single crystal silicon
10/03/1990EP0390503A1 Apparatus of manufacturing silicon single crystals
10/03/1990EP0390502A2 Apparatus for manufacturing silicon single crystals
09/1990
09/27/1990DE4007053A1 Coated segmented graphite crucible - with carbon-bonded carbon fibre protective layer
09/26/1990EP0389284A2 An isolation valve used in a single crystal pulling apparatus
09/26/1990EP0388503A1 Method for pulling single crystals
09/19/1990EP0388208A2 Ingot removal device for a single crystal pulling apparatus
09/19/1990EP0387574A1 Apparatus for metering silicon melt
09/18/1990WO1990011391A1 Wafer of compound semiconductor
09/18/1990US4957713 Apparatus for growing shaped single crystals
09/18/1990US4957712 Apparatus for manufacturing single silicon crystal
09/12/1990EP0252784B1 Mixed lanthanium-magnesium-gallates and lasers using these gallates
09/11/1990US4956339 Method for manufacturing superconducting ceramics in a magnetic field
09/11/1990US4956334 Method for preparing a single crystal of lanthanum cuprate
09/11/1990US4956208 Manufacture of a quartz glass vessel for the growth of single crystal semiconductor
09/11/1990US4956153 Apparatus for Czochralski single crystal growing
1 ... 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99