ClassID:

121305

C30B28/06 - CPC Classification

Classification description:

Production of homogeneous polycrystalline material with defined structure from liquids by normal freezing or freezing under temperature gradient

Recent Application in this class:
#1
20230143886
2023-05-11

COMPOSITIONS INCLUDING METAL ORGANIC FRAME FOR INHIBITING FORMATION OR GROWTH OF ICE CRYSTALLIZATION AND PREPARING METHOD THEREOF

#2
20220362886
2022-11-17

LAYERED MANUFACTURING OF SINGLE CRYSTAL ALLOY COMPONENTS

#3
20200298341
2020-09-24

Layered manufacturing of single crystal alloy components

#4
20200148948
2020-05-14

Yttrium-doped barium fluoride crystal and preparation method and use thereof

#5
20180312995
2018-11-01

POLYCRYSTALLINE SILICON INGOT

#6
20170233257
2017-08-17

Poly-crystalline silicon ingot having a nucleation promotion layer comprising a plurality of chips and chunks of poly-crystalline silicon on the bottom

#7
20170167051
2017-06-15

Method for preparing polycrystalline silicon ingot

#8
20170073838
2017-03-16

Method for preparing polycrystalline silicon ingot

#9
20170062635
2017-03-02

Polycrystalline silicon column and polycrystalline silicon wafer

#10
20170058428
2017-03-02

Polycrystalline silicon column and polycrystalline silicon wafer

#11
20170057829
2017-03-02

Methods of fabricating a poly-crystalline silcon ingot from a nucleation promotion layer comprised of chips and chunks of silicon-containing particles

#12
20170036270
2017-02-09

Metal casting apparatus, cast work piece and method therefor

#13
20170016143
2017-01-19

POLYCRYSTALLINE SILICON INGOT, POLYCRYSTALLINE SILICON BRICK AND POLYCRYSTALLINE SILICON WAFER

#14
20170008081
2017-01-12

Casting methods and molded articles produced therefrom

#15
20160288266
2016-10-06

Layered manufacturing of single crystal alloy components

#16
20160194782
2016-07-07

Crystalline silicon ingot and method of fabricating the same

#17
20150107304
2015-04-23

Process for producing multicrystalline silicon ingots by the induction method, and apparatus for carrying out the same

#18
20150087105
2015-03-26

Methods and Apparatuses for Manufacturing Geometric Multicrystalline Cast Silicon and Geometric Multicrystalline Cast Silicon Bodies for Photovoltaics

#19
20150056123
2015-02-26

Polycrystalline silicon ingot, preparation method thereof, and polycrystalline silicon wafer

#20
20140255641
2014-09-11

Silicon member for semiconductor apparatus and method of producing the same

#21
20140199506
2014-07-17

Refractory vessels and methods for forming same

#22
20140190398
2014-07-10

System for manufacturing a crystalline material by directional crystallization provided with an additional lateral heat source

#23
20140174129
2014-06-26

Support Holder For Quartz Dip Stick In Directional Solidification System Furnaces

#24
20140041414
2014-02-13

Remote cool down of a purified directionally solidified material from an open bottom cold crucible induction furnace

#25
20140037981
2014-02-06

Molded articles

#26
20130341622
2013-12-26

Polycrystalline silicon wafer

#27
20130295363
2013-11-07

METAL NITRIDES AND PROCESS FOR PRODUCTION THEREOF

#28
20130284084
2013-10-31

CRUCIBLES

#29
20130255315
2013-10-03

Electromagnetic casting method and apparatus for polycrystalline silicon

#30
20130251615
2013-09-26

Polycrystalline group III metal nitride with getter and method of making

#31
20130239616
2013-09-19

Directional solidification furnace having movable heat exchangers

#32
20130192302
2013-08-01

CRUCIBLES FOR HOLDING MOLTEN MATERIAL AND METHODS FOR PRODUCING THEM AND FOR THEIR USE

#33
20130152851
2013-06-20

Bulk Growth Grain Controlled Directional Solidification Device and Method

#34
20130152850
2013-06-20

METHOD AND APPARATUS FOR MONITORING AND CONTROLLING CRYSTAL GROWTH, AND PROBE SYSTEM

#35
20130136876
2013-05-30

Refractory vessels and methods for forming same

#36
20130115476
2013-05-09

Metal casting apparatus, cast work piece and method therefor

#37
20130095027
2013-04-18

Crystalline silicon ingot and method of fabricating the same

#38
20130090459
2013-04-11

Metal-assisted and microwave-accelerated evaporative crystallization

#39
20130036769
2013-02-14

High-output apparatus for manufacturing a polycrystal silicon ingot for a solar cell

#40
20130028825
2013-01-31

MANUFACTURING METHOD FOR POLYCRYSTALLINE SILICON INGOT, AND POLYCRYSTALLINE SILICON INGOT

#41
20120329194
2012-12-27

Method for heat-treating a silicon substrate for the production of photovoltaic cells, and photovoltaic cell production method

#42
20120267280
2012-10-25

VESSEL FOR MOLTEN SEMICONDUCTING MATERIALS AND METHODS OF MAKING THE SAME

#43
20120186513
2012-07-26

Kyropoulos sapphire single crystal growing apparatus using elliptic crucible

#44
20120186299
2012-07-26

Directional solidification furnace for reducing melt contamination and reducing wafer contamination

#45
20120181536
2012-07-19

Hybrid silicon wafer

#46
20120174630
2012-07-12

Apparatus for producing multicrystalline silicon ingots by induction method

#47
20120137976
2012-06-07

HOT ZONE DEVICE

#48
20120137975
2012-06-07

Gas flow guiding device for use in crystal-growing furnace

#49
20120137962
2012-06-07

Gas supply device for use in crystal-growing furnace

#50
20120090537
2012-04-19

METHODS AND APPARATUS FOR MANUFACTURING MONOCRYSTALLINE CAST SILICON AND MONOCRYSTALLINE CAST SILICON BODIES FOR PHOTOVOLTAICS

#51
20120074528
2012-03-29

Technique to modify the microstructure of semiconducting materials

#52
20120042947
2012-02-23

METHODS AND APPARATUS FOR MANUFACTURING MONOCRYSTALLINE CAST SILICON AND MONOCRYSTALLINE CAST SILICON BODIES FOR PHOTOVOLTAICS

#53
20120037066
2012-02-16

Methods and apparatus for manufacturing monocrystalline cast silicon and monocrystalline cast silicon bodies for photovoltaics

#54
20110303143
2011-12-15

Method of manufacturing crystalline silicon ingot

#55
20110271901
2011-11-10

Removal of a sheet from a production apparatus

#56
20110248430
2011-10-13

Remote cool down of a purified directionally solidified material from an open bottom cold crucible induction furnace

#57
20110247364
2011-10-13

PROCESS FOR PRODUCING MULTICRYSTALLINE SILICON INGOTS BY THE INDUCTION METHOD AND APPARATUS FOR CARRYING OUT THE SAME

#58
20110233478
2011-09-29

SILICON FOR N-TYPE SOLAR CELLS AND A METHOD OF PRODUCING PHOSPHORUS-DOPED SILICON

#59
20110200496
2011-08-18

SYSTEM AND METHOD FOR ARRANGING HEATING ELEMENT IN CRYSTAL GROWTH APPARATUS

#60
20110156045
2011-06-30

Crystal manufacturing apparatus, semiconductor device manufactured using the same, and method of manufacturing semiconductor device using the same

#61
20110154879
2011-06-30

Systems and methods for monitoring a solid-liquid interface

#62
20110142730
2011-06-16

Crystalline silicon formation apparatus

#63
20110129404
2011-06-02

SYSTEM AND PROCESS FOR THE PRODUCTION OF POLYCRYSTALLINE SILICON FOR PHOTOVOLTAIC USE

#64
20110104036
2011-05-05

METHOD AND APPARATUS FOR PURIFYING METALLURGICAL GRADE SILICON BY DIRECTIONAL SOLIDIFICATION AND FOR OBTAINING SILICON INGOTS FOR PHOTOVOLTAIC USE

#65
20110076181
2011-03-31

Nickel-Based Superalloys and Articles

#66
20110027159
2011-02-03

Isostatic pressing method for applying a silicon powder onto a silicon brick for silicon crystal growth in a mono-crystal or multi-crystal furnace

#67
20110003024
2011-01-06

METHOD AND APPARATUS FOR PRODUCING A DISLOCATION-FREE CRYSTALLINE SHEET

#68
20100221142
2010-09-02

Removal of a sheet from a production apparatus

#69
20100213643
2010-08-26

RAPID SYNTHESIS OF POLYCRYSTALLINE SILICON SHEETS FOR PHOTO-VOLTAIC SOLAR CELL MANUFACTURING

#70
20100202955
2010-08-12

Method for producing Si bulk polycrystal ingot

#71
20100193664
2010-08-05

Seed layers and process of manufacturing seed layers

#72
20100151194
2010-06-17

Polycrystalline group III metal nitride with getter and method of making

#73
20100148403
2010-06-17

Systems and Methods For Manufacturing Cast Silicon

#74
20100074825
2010-03-25

Directional solidification furnace for reducing melt contamination and reducing wafer contamination

#75
20100050686
2010-03-04

Melt purification and delivery system

#76
20100038826
2010-02-18

Method of controlling a thickness of a sheet formed from a melt

#77
20090314198
2009-12-24

DEVICE AND METHOD FOR PRODUCTION OF SEMICONDUCTOR GRADE SILICON

#78
20090311161
2009-12-17

Method and configuration for melting silicon

#79
20090302281
2009-12-10

Method and apparatus for producing a dislocation-free crystalline sheet

#80
20090280050
2009-11-12

Apparatus and Methods for Casting Multi-Crystalline Silicon Ingots

#81
20090277377
2009-11-12

CRUCIBLE FOR MELTING SILICON AND RELEASE AGENT USED TO THE SAME

#82
20090272720
2009-11-05

METHOD AND HEATING DEVICE FOR FORMING LARGE GRAIN SIZE SILICON MATERIAL STRUCTURE FOR PHOTOVOLTAIC DEVICES

#83
20090188426
2009-07-30

Crystal-growing furnace with heating improvement structure

#84
20090175767
2009-07-09

Crystal-growing furnace having slurry drainage duct structure

#85
20090165989
2009-07-02

Casting method and apparatus

#86
20090137105
2009-05-28

Systems and methods for preparing epitaxially textured polycrystalline films

#87
20090098715
2009-04-16

Process for manufacturing silicon wafers for solar cell

#88
20090090296
2009-04-09

Apparatus for manufacturing poly crystaline silicon ingot for solar battery having door open/close device using hinge

#89
20090074648
2009-03-19

Process for the production of medium and high purity silicon from metallurgical grade silicon

#90
20090039478
2009-02-12

Method For Utilizing Heavily Doped Silicon Feedstock To Produce Substrates For Photovoltaic Applications By Dopant Compensation During Crystal Growth

#91
20080295294
2008-12-04

Processing of fine silicon powder to produce bulk silicon

#92
20080257254
2008-10-23

LARGE GRAIN, MULTI-CRYSTALLINE SEMICONDUCTOR INGOT FORMATION METHOD AND SYSTEM

#93
20080210156
2008-09-04

Casting method for polycrystalline silicon

#94
20080193363
2008-08-14

Metal Nitrides and Process for Production Thereof

#95
20070169685
2007-07-26

Methods and apparatuses for manufacturing geometric multicrystalline cast silicon and geometric multicrystalline cast silicon bodies for photovoltaics

#96
20070169684
2007-07-26

Methods and apparatuses for manufacturing monocrystalline cast silicon and monocrystalline cast silicon bodies for photovoltaics

#97
20070075403
2007-04-05

Functional structural element, method of manufacturing functional structural element, and substrate for manufacturing functional structural body

#98
20060000409
2006-01-05

Process for producing a crystalline silicon ingot