ClassID:

121237

C30B15/203 - CPC Classification

Classification description:

Single-crystal growth by pulling from a melt, e.g. Czochralski method; Controlling or regulating the relationship of pull rate (v) to axial thermal gradient (G)

Recent Application in this class:
#1
20250283249
2025-09-11

SEMICONDUCTOR WAFER MADE OF SINGLE-CRYSTAL SILICON AND PROCESS FOR THE PRODUCTION THEREOF

#2
20250179686
2025-06-05

EPITAXIAL SILICON WAFER AND METHOD FOR PRODUCING THE SAME

#3
20250129506
2025-04-24

PROCESS FOR MANUFACTURING A MONOCRYSTALLINE SILICON SEMICONDUCTOR WAFER, AND MONOCRYSTALLINE SILICON SEMICONDUCTOR WAFER

#4
20240352620
2024-10-24

METHOD OF PRODUCING AN EPITAXIALLY COATED SEMICONDUCTOR WAFER OF MONOCRYSTALLINE SILICON

#5
20240271317
2024-08-15

Crystal Puller and Method for Pulling Single-Crystal Silicon Ingot, and Single-Crystal Silicon Ingot

#6
20240247403
2024-07-25

Method and Apparatus for Single Crystal Growth, and Single Crystal

#7
20240240355
2024-07-18

METHODS FOR PRODUCING SINGLE CRYSTAL SILICON WAFERS FOR INSULATED GATE BIPOLAR TRANSISTORS

#8
20240141553
2024-05-02

VACANCY-RICH SILICON FOR USE WITH A GALLIUM NITRIDE EPITAXIAL LAYER

#9
20230323564
2023-10-12

NITROGEN DOPED AND VACANCY DOMINATED SILICON INGOT AND THERMALLY TREATED WAFER FORMED THEREFROM HAVING RADIALLY UNIFORMLY DISTRIBUTED OXYGEN PRECIPITATION DENSITY AND SIZE

#10
20230307505
2023-09-28

Silicon wafer and manufacturing method of the same

#11
20230243062
2023-08-03

SILICON WAFER AND METHOD FOR PRODUCING SILICON WAFER

#12
20230235479
2023-07-27

SEMICONDUCTOR WAFER MADE OF SINGLE-CRYSTAL SILICON AND PROCESS FOR THE PRODUCTION THEREOF

#13
20220333269
2022-10-20

METHOD OF DETECTING CRYSTALLOGRAPHIC DEFECTS AND METHOD OF GROWING AN INGOT

#14
20220220636
2022-07-14

Methods for forming a silicon substrate with reduced grown-in nuclei for epitaxial defects and methods for forming an epitaxial wafer

#15
20220220631
2022-07-14

PROCESS FOR PREPARING INGOT HAVING REDUCED DISTORTION AT LATE BODY LENGTH

#16
20220145493
2022-05-12

Methods for forming a silicon substrate with reduced grown-in nuclei for epitaxial defects and methods for forming an epitaxial wafer

#17
20220098755
2022-03-31

Method for pulling a cylindrical crystal from a melt

#18
20210363658
2021-11-25

Methods for growing a nitrogen doped single crystal silicon ingot using continuous Czochralski method

#19
20210363657
2021-11-25

Single crystal silicon ingot having axial uniformity

#20
20210332496
2021-10-28

Mono-crystalline silicon growth apparatus

#21
20210320177
2021-10-14

Silicon wafer and manufacturing method of the same

#22
20210269936
2021-09-02

PROCESS FOR PREPARING INGOT HAVING REDUCED DISTORTION AT LATE BODY LENGTH

#23
20210198805
2021-07-01

Nitrogen doped and vacancy dominated silicon ingot and thermally treated wafer formed therefrom having radially uniformly distributed oxygen precipitation density and size

#24
20210140066
2021-05-13

Method for controlling convection pattern of silicon melt and method for producing monocrystalline silicon

#25
20210108335
2021-04-15

Compound semiconductor and method for producing single crystal of compound semiconductor

#26
20210082774
2021-03-18

Evaluation method of metal contamination

#27
20210079554
2021-03-18

Methods for growing a nitrogen doped single crystal silicon ingot using continuous Czochralski method

#28
20210079553
2021-03-18

Single crystal silicon ingot having axial uniformity

#29
20200325594
2020-10-15

Process for preparing ingot having reduced distortion at late body length

#30
20200270764
2020-08-27

Single crystal of silicon with <100> orientation, which is doped with n-type dopant, and method for producing such a single crystal

#31
20200208296
2020-07-02

Mono-crystalline silicon growth method

#32
20200165745
2020-05-28

Semiconductor wafer made of single-crystal silicon and process for the production thereof

#33
20200149186
2020-05-14

METHOD, DEVICE, SYSTEM, AND COMPUTER STORAGE MEDIUM FOR CRYSTAL GROWING CONTROL

#34
20200115821
2020-04-16

Method for producing silicon single crystal, heat shield, and single crystal pulling device

#35
20200020817
2020-01-16

Epitaxial silicon wafer

#36
20190390364
2019-12-26

Ingot growth control device and control method thereof

#37
20190345630
2019-11-14

Method for pulling a single crystal composed of semiconductor material from a melt contained in a crucible

#38
20190330759
2019-10-31

Method of fabricating a turbine engine part

#39
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

#40
20180371639
2018-12-27

Semiconductor wafer made of monocrystalline silicon, and method for producing same

#41
20180266016
2018-09-20

Nitrogen doped and vacancy dominated silicon ingot and thermally treated wafer formed therefrom having radially uniformly distributed oxygen precipitation density and size

#42
20180266015
2018-09-20

Nitrogen Doped and Vacancy Dominated Silicon Ingot and Thermally Treated Wafer Formed Therefrom Having Radially Uniformly Distributed Oxygen Precipitation Density and Size

#43
20180204960
2018-07-19

EPITAXIAL SILICON WAFER

#44
20180202069
2018-07-19

Lead oxychloride, infrared nonlinear optical crystal, and preparation method thereof

#45
20180108538
2018-04-19

Silicon epitaxial wafer and method of producing same

#46
20180102446
2018-04-12

Indium phosphide wafer, photoelectric conversion element, and method for producing a monocrystalline indium phosphide

#47
20180002827
2018-01-04

Method for manufacturing silicon single crystal ingot, and silicon single crystal ingot manufactured by the method

#48
20170283980
2017-10-05

Method for producing a silicon single crystal doped with red phosphorous with reduced number of stacking faults and method for producing a silicon wafer using the same

#49
20170253993
2017-09-07

Method for growing monocrystalline silicon and monocrystalline silicon ingot prepared thereof

#50
20170253991
2017-09-07

Method for growing monocrystalline silicon and monocrystalline silicon ingot prepared thereof

#51
20170183792
2017-06-29

APPARATUS FOR FORMING SINGLE CRYSTAL SAPPHIRE

#52
20170167048
2017-06-15

Silicon single crystal growing apparatus and silocon single crystal growing method using same

#53
20170107638
2017-04-20

METHOD FOR FORMING MONOCRYSTALLINE SILICON INGOT AND WAFER

#54
20170096747
2017-04-06

Silicon single crystal manufacturing method

#55
20170076959
2017-03-16

Epitaxial silicon wafer and method for producing the epitaxial silicon wafer

#56
20160333496
2016-11-17

Apparatus for producing silicon single crystal

#57
20160322233
2016-11-03

Silicon wafer and method for manufacturing the same

#58
20160315020
2016-10-27

Silicon single crystal wafer, manufacturing method thereof and method of detecting defects

#59
20160237589
2016-08-18

Method for manufacturing silicon single crystal

#60
20160208409
2016-07-21

Method for producing SiC single crystal

#61
20160043248
2016-02-11

Indium phosphide wafer, photoelectric conversion element, and method for producing a monocrystalline indium phosphide

#62
20160032491
2016-02-04

Nitrogen doped and vacancy dominated silicon ingot and thermally treated wafer formed therefrom having radially uniformly distributed oxygen precipitation density and size

#63
20150361578
2015-12-17

SYSTEM AND METHOD FOR FORMING A SILICON WAFER

#64
20150354089
2015-12-10

Method of producing silicon single crystal ingot

#65
20150020728
2015-01-22

Method for manufacturing a defect-controlled low-oxygen concentration silicon single crystal wafer

#66
20150017086
2015-01-15

SILICON SINGLE CRYSTAL AND METHOD FOR MANUFACTURE THEREOF

#67
20140191370
2014-07-10

Silicon single crystal wafer, manufacturing method thereof and method of detecting defects

#68
20140103492
2014-04-17

Silicon wafer and method for producing the same

#69
20140044945
2014-02-13

Semiconductor wafer composed of monocrystalline silicon and method for producing it

#70
20140017479
2014-01-16

METHOD OF FORMING AN R-PLANE SAPPHIRE CRYSTAL

#71
20130337631
2013-12-19

Semiconductor structure and method

#72
20130273719
2013-10-17

Method of manufacturing annealed wafer

#73
20130263773
2013-10-10

Silicon single crystal manufacturing apparatus and silicon single crystal manufacturing method

#74
20130220216
2013-08-29

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

#75
20120315428
2012-12-13

Method For Producing Semiconductor Wafers Composed Of Silicon Having A Diameter Of At Least 450 mm, and Semiconductor Wafer Composed Of Silicon Having A Diameter of 450 mm

#76
20120279438
2012-11-08

METHODS FOR PRODUCING SINGLE CRYSTAL SILICON INGOTS WITH REDUCED INCIDENCE OF DISLOCATIONS

#77
20120186512
2012-07-26

Procedure for in-situ determination of thermal gradients at the crystal growth front

#78
20110316128
2011-12-29

Semiconductor wafers of silicon and method for their production

#79
20110263126
2011-10-27

METHOD FOR MANUFACTURING A SILICON WAFER

#80
20110259259
2011-10-27

Method for manufacturing a silicon wafer

#81
20110175202
2011-07-21

Method for producing semiconductor wafers composed of silicon having a diameter of at least 450 mm, and semiconductor wafer composed of silicon having a diameter of 450 mm

#82
20110156216
2011-06-30

Silicon wafer and method for producing the same

#83
20110049438
2011-03-03

Process for production of silicon single crystal, and highly doped N-type semiconductor substrate

#84
20100288185
2010-11-18

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

#85
20100175611
2010-07-15

Method for manufacturing silicon single crystal in which a crystallization temperature gradient is controlled

#86
20100133485
2010-06-03

Process for production of silicon single crystal

#87
20100059861
2010-03-11

Semiconductor wafer composed of monocrystalline silicon and method for producing it

#88
20100052103
2010-03-04

SILICON WAFER AND METHOD FOR PRODUCING THE SAME

#89
20100051945
2010-03-04

Silicon wafer and method for producing the same

#90
20100040525
2010-02-18

Method and Apparatus of Growing Silicon Single Crystal and Silicon Wafer Fabricated Thereby

#91
20100031869
2010-02-11

System for Manufacturing Silicon Single Crystal and Method for Manufacturing Silicon Single Crystal Using this System

#92
20100024718
2010-02-04

Procedure for in-situ determination of thermal gradients at the crystal growth front

#93
20100024717
2010-02-04

Reversed action diameter control in a semiconductor crystal growth system

#94
20100018454
2010-01-28

Method of producing single crystal

#95
20090293799
2009-12-03

Method for growing silicon single crystal, and silicon wafer

#96
20090249995
2009-10-08

Apparatus and method for producing single crystals

#97
20090217866
2009-09-03

METHOD FOR PRODUCING Si SINGLE CRYSTAL INGOT BY CZ METHOD

#98
20090130415
2009-05-21

R-Plane Sapphire Method and Apparatus

#99
20090090294
2009-04-09

Method and apparatus for manufacturing an ultra low defect semiconductor single crystalline ingot

#100
20090061140
2009-03-05

Silicon single crystal producing method, annealed wafer, and method of producing annealed wafer

#101
20090022930
2009-01-22

SINGLE CRYSTAL SILICON HAVING IMPROVED GATE OXIDE INTEGRITY

#102
20090007839
2009-01-08

Method for Manufacturing Silicon Single Crystal Wafer

#103
20090000535
2009-01-01

Method For Manufacturing Silicon Single Crystal Wafer

#104
20080311342
2008-12-18

Silicon wafer having good intrinsic getterability and method for its production

#105
20080302295
2008-12-11

Method of Evaluating Quality of Silicon Single Crystal

#106
20080236476
2008-10-02

Silicon single crystal wafer for particle monitor

#107
20080187736
2008-08-07

Semiconductor wafers of silicon and method for their production

#108
20080184928
2008-08-07

Method for producing single crystal and a method for producing annealed wafer

#109
20080153261
2008-06-26

Method and device for producing semiconductor wafers of silicon

#110
20080053366
2008-03-06

Method and apparatus of growing silicon single crystal and silicon wafer fabricated thereby

#111
20080053365
2008-03-06

Method and Apparatus of Growing Silicon Single Crystal and Silicon Wafer Fabricated Thereby

#112
20080020168
2008-01-24

SILICON ON INSULATOR STRUCTURE WITH A SINGLE CRYSTAL CZ SILICON DEVICE LAYER HAVING A REGION WHICH IS FREE OF AGGLOMERATED INTRINSIC POINT DEFECTS

#113
20070269361
2007-11-22

Silicon material with controlled agglomerated point defects and oxygen clusters induced by the lateral surface

#114
20070266929
2007-11-22

Controlling agglomerated point defect and oxygen cluster formation induced by the lateral surface of a silicon single crystal during CZ growth

#115
20070227442
2007-10-04

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

#116
20070224783
2007-09-27

Process for forming low defect density, ideal oxygen precipitating silicon

#117
20070169683
2007-07-26

Nitrogen-doped silicon substantially free of oxidation induced stacking faults

#118
20070157870
2007-07-12

Silicon wafer, method for manufacturing the same and method for growing silicon single crystals

#119
20070155134
2007-07-05

Annealed wafer and manufacturing method of annealed wafer

#120
20070151505
2007-07-05

Method for producing high quality silicon single crystal ingot and silicon single crystal wafer made thereby

#121
20070068447
2007-03-29

Method of manufacturing silicon wafer

#122
20070034138
2007-02-15

Method for growing silicon single crystal and silicon wafer

#123
20070017436
2007-01-25

Process for growing silicon single crystal and process for producing silicon wafer

#124
20070017433
2007-01-25

Method for producing a single crystal and a single crystal

#125
20070000429
2007-01-04

Method for producing a single crystal

#126
20060292890
2006-12-28

Method and device for the production of a silicon single crystal, silicon single crystal, and silicon semiconductor wafers with determined defect distributions

#127
20060283374
2006-12-21

Process for producing silicon semiconductor wafers with defined defect properties, and silicon semiconductor wafers having these defect properties

#128
20060266278
2006-11-30

Silicon wafer, method for producing silicon wafer and method for growing silicon single crystal

#129
20060254498
2006-11-16

Silicon single crystal, and process for producing it

#130
20060225640
2006-10-12

Method for manufacturing silicon single crystal, and silicon wafer

#131
20060174819
2006-08-10

Method for producing single crystal and single crystal

#132
20060156969
2006-07-20

Silicon wafer, SOI substrate, method for growing silicon single crystal, method for manufacturing silicon wafer, and method for manufacturing SOI substrate

#133
20060144321
2006-07-06

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

#134
20060137599
2006-06-29

Method and apparatus of growing silicon single crystal and silicon wafer fabricated thereby

#135
20060130740
2006-06-22

Method for producing a single crystal and a single crystal

#136
20060130737
2006-06-22

Method of producing silicon monocrystal

#137
20060124052
2006-06-15

Heat shielding member of silicon single crystal pulling system

#138
20060113594
2006-06-01

Soi wafer and a method for producing the same

#139
20060086313
2006-04-27

Soi wafer and a method for producing the same

#140
20060065184
2006-03-30

Method of producing P-doped silicon single crystal and P-doped N-type silicon single crystal wafer

#141
20060016387
2006-01-26

Silicon wafer, its manufacturing method, and its manufacturing apparatus

#142
20060005762
2006-01-12

Method for producing silicon wafer

#143
20050263063
2005-12-01

Method of manufacturing silicon single crystal and silicon single crystal manufactured by the method

#144
20050252441
2005-11-17

Silicon single crystal wafer, an epitaxial wafer and a method for producing a silicon single crystal

#145
20050238905
2005-10-27

Vacancy-dominated, defect-free silicon

#146
20050211158
2005-09-29

Silicon wafer for epitaxial growth, an epitaxial wafer, and a method for producing it

#147
20050205000
2005-09-22

Low defect density silicon

#148
20050170610
2005-08-04

Low defect density, ideal oxygen precipitating silicon

#149
20050160967
2005-07-28

Process for preparing single crystal silicon having improved gate oxide integrity

#150
20050150445
2005-07-14

Low defect density silicon having a vacancy-dominated core substantially free of oxidation induced stacking faults

#151
20050132948
2005-06-23

Method for the production of low defect density silicon

#152
20050130394
2005-06-16

Process for implementing oxygen into a silicon wafer having a region which is free of agglomerated intrinsic point defects

#153
20050039671
2005-02-24

Silicon single crystal wafer fabricating method and silicon single crystal wafer