ClassID:

121244

C30B15/305 - CPC Classification

Classification description:

Single-crystal growth by pulling from a melt, e.g. Czochralski method; Mechanisms for rotating or moving either the melt or the crystal Stirring of the melt

Recent Application in this class:
#1
20260066163
2026-03-05

SUPERCONDUCTING MAGNET DEVICE

#2
20240247402
2024-07-25

Systems for production of low oxygen content silicon

#3
20230250551
2023-08-10

Systems for production of low oxygen content silicon

#4
20220259762
2022-08-18

METHOD FOR PULLING A SINGLE CRYSTAL OF SILICON IN ACCORDANCE WITH THE CZOCHRALSKI METHOD

#5
20220056616
2022-02-24

High resistivity single crystal silicon ingot and wafer having improved mechanical strength

#6
20210404088
2021-12-30

High resistivity single crystal silicon ingot and wafer having improved mechanical strength

#7
20210348298
2021-11-11

Systems and methods for production of low oxygen content silicon

#8
20200392643
2020-12-17

Systems and methods for production of low oxygen content silicon

#9
20200216975
2020-07-09

High resistivity single crystal silicon ingot and wafer having improved mechanical strength

#10
20200149184
2020-05-14

Silicon wafer with homogeneous radial oxygen variation

#11
20200020817
2020-01-16

Epitaxial silicon wafer

#12
20190382915
2019-12-19

Apparatus for growing single crystalline ingot and method for growing same

#13
20190136404
2019-05-09

Method for producing a semiconductor wafer of monocrystalline silicon, device for producing a semiconductor wafer of monocrystalline silicon and semiconductor wafer of monocrystalline

#14
20190017191
2019-01-17

Growing apparatus and single-crystal ingot growing method using the same

#15
20180355509
2018-12-13

Systems and methods for production of low oxygen content silicon

#16
20180312996
2018-11-01

SiC single crystal production method and production apparatus

#17
20180237940
2018-08-23

Single-crystal pulling apparatus and single-crystal pulling method

#18
20180237939
2018-08-23

Apparatus for growing single crystalline ingot and method for growing same

#19
20180237938
2018-08-23

Methods for producing low oxygen silicon ingots

#20
20180094359
2018-04-05

Apparatus and method for growing silicon single crystal ingot

#21
20170226658
2017-08-10

APPARATUS FOR MANUFACTURING SiC SINGLE CRYSTAL AND METHOD OF MANUFACTURING SiC SINGLE CRYSTAL

#22
20170037535
2017-02-09

Method for growing a silicon crystal substrate from a melt by directing a flow of molten silicon around a baffle structure

#23
20160208407
2016-07-21

Single crystal production apparatus

#24
20160108551
2016-04-21

Methods for producing low oxygen silicon ingots

#25
20160068992
2016-03-10

Method of producing silicon single crystal

#26
20150299895
2015-10-22

Stirring apparatus of ingot casting furnace

#27
20150275392
2015-10-01

Method of manufacturing silicon single crystal

#28
20140053771
2014-02-27

Generating a homogeneous magnetic field while pulling a single crystal from molten semiconductor material

#29
20130284083
2013-10-31

Manufacturing apparatus of SiC single crystal and method for manufacturing SiC single crystal

#30
20130224100
2013-08-29

ELECTROMAGNETIC MIXING FOR NITRIDE CRYSTAL GROWTH

#31
20130220216
2013-08-29

Method and an apparatus for growing a silicon single crystal from a melt

#32
20130112135
2013-05-09

Thermal load leveling during silicon crystal growth from a melt using anisotropic materials

#33
20120141808
2012-06-07

2-DIMENSIONAL LINE-DEFECTS CONTROLLED SILICON INGOT, WAFER AND EPITAXIAL WAFER, AND MANUFACTURING PROCESS AND APPARATUS THEREFOR

#34
20120132131
2012-05-31

2-dimensional line-defects controlled silicon ingot, wafer and epitaxial wafer, and manufacturing process and apparatus therefor

#35
20120035893
2012-02-09

Method of three-dimensional optimization design for asymmetric cusp magnetic field in MCZ single crystal furnace

#36
20120031323
2012-02-09

Silicon single crystal production method

#37
20110315073
2011-12-29

Method of producing SiC single crystal

#38
20110309555
2011-12-22

METHOD FOR THE SOLIDIFICATION OF A NON-METAL MELT

#39
20110304081
2011-12-15

Method for producing semiconductor wafers composed of silicon with reduced pinholes

#40
20110214605
2011-09-08

Single-crystal manufacturing method and single-crystal manufacturing apparatus

#41
20110126757
2011-06-02

Method for pulling a single crystal composed of silicon with a section having a diameter that remains constant

#42
20110077161
2011-03-31

Superconducting magnet device for single crystal pulling apparatus

#43
20100288185
2010-11-18

Method and an apparatus for growing a silicon single crystal from a melt

#44
20100126410
2010-05-27

APPARATUS AND METHOD FOR PULLING SILICON SINGLE CRYSTAL

#45
20100126409
2010-05-27

Method of manufacturing single crystal

#46
20100101485
2010-04-29

Manufacturing method of silicon single crystal

#47
20100059861
2010-03-11

Semiconductor wafer composed of monocrystalline silicon and method for producing it

#48
20100052103
2010-03-04

SILICON WAFER AND METHOD FOR PRODUCING THE SAME

#49
20100051945
2010-03-04

Silicon wafer and method for producing the same

#50
20100050929
2010-03-04

Coil Arrangement for Crystal Pulling and Method of Forming a Crystal

#51
20100031870
2010-02-11

Generating a pumping force in a silicon melt by applying a time-varying magnetic field

#52
20090320743
2009-12-31

Controlling a melt-solid interface shape of a growing silicon crystal using an unbalanced magnetic field and iso-rotation

#53
20090293804
2009-12-03

Method of shoulder formation in growing silicon single crystals

#54
20090293803
2009-12-03

Method of growing silicon single crystals

#55
20090293802
2009-12-03

Method of growing silicon single crystals

#56
20090293801
2009-12-03

PRODUCTION METHOD OF SILICON SINGLE CRYSTAL

#57
20090249996
2009-10-08

Silicon single crystal pulling method

#58
20090235861
2009-09-24

CARBON-DOPED SINGLE CRYSTAL MANUFACTURING METHOD

#59
20090232359
2009-09-17

Method for determining distance between reference member and melt surface, method for controlling location of melt surface using the same, and apparatus for production silicon single crystal

#60
20090183670
2009-07-23

APPARATUS FOR MANUFACTURING HIGH-QUALITY SEMICONDUCTOR SINGLE CRYSTAL INGOT AND METHOD USING THE SAME

#61
20090169460
2009-07-02

2-dimensional line-defects controlled silicon ingot, wafer and epitaxial wafer, and manufacturing process and apparatus therefor

#62
20090114147
2009-05-07

Semiconductor single crystal growth method having improvement in oxygen concentration characteristics

#63
20090090295
2009-04-09

METHOD FOR GROWING SILICON INGOT

#64
20090081856
2009-03-26

Single crystal silicon wafer for insulated gate bipolar transistors and process for producing the same

#65
20080302294
2008-12-11

Single Crystal manufacturing method

#66
20080184929
2008-08-07

Single crystal pulling apparatus

#67
20080107582
2008-05-08

Method for manufacturing semiconductor single crystal by Czochralski technology, and single crystal ingot and wafer manufactured using the same

#68
20080060572
2008-03-13

Magnetic Field Applied Pulling Method for Pulling Silicon Single Crystal

#69
20080038179
2008-02-14

Apparatus and method for producing single crystal, and silicon single crystal

#70
20070227442
2007-10-04

Controlling melt-solid interface shape of a growing silicon crystal using a variable magnetic field

#71
20070209573
2007-09-13

Method for preparing silicon carbide single crystal

#72
20070193500
2007-08-23

Method for manufacturing single crystal semiconductor

#73
20070186845
2007-08-16

Single crystal silicon wafer for insulated gate bipolar transistors

#74
20070157871
2007-07-12

Single crystal semiconductor manufacturing apparatus and method

#75
20070131158
2007-06-14

Method for manufacturing single crystal semiconductor

#76
20070119365
2007-05-31

Silicon single crystal pulling method

#77
20070028833
2007-02-08

Method for producing silicon single crystal and silicon single crystal

#78
20070022943
2007-02-01

Silicon single crystal ingot and wafer, growing apparatus and method thereof

#79
20060144321
2006-07-06

Controlling melt-solid interface shape of a growing silicon crystal using a variable magnetic field

#80
20060144320
2006-07-06

Electromagnetic pumping of liquid silicon in a crystal growing process

#81
20060107889
2006-05-25

Apparatus and method for producing single crystal, and silicon single crystal

#82
20060016386
2006-01-26

Silicon wafer and method for producing silicon single crystal