ClassID:

206986

H01L21/02021 - CPC Classification

Classification description:

Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof; Manufacture or treatment of semiconductor devices or of parts thereof; Preparing wafers; Preparing bulk and homogeneous wafers; Multistep processes; Specific process step Edge treatment, chamfering

Recent Application in this class:
#1
20260026319
2026-01-22

WAFER PROCESSING METHOD

#2
20260011551
2026-01-08

GROUP-III NITRIDE SEMICONDUCTOR WAFER AND METHOD FOR PRODUCING SAME

#3
20260005010
2026-01-01

WAFER PRODUCING METHOD

#4
20250364233
2025-11-27

Methods and Systems for Managing Byproduct Material Accumulation During Plasma-Based Semiconductor Wafer Fabrication Process

#5
20250329539
2025-10-23

WAFER PROCESSING METHOD AND CUTTING APPARATUS

#6
20250239468
2025-07-24

METHOD OF PROCESSING WAFER

#7
20250239443
2025-07-24

WORKPIECE PROCESSING METHOD AND PROCESSING APPARATUS

#8
20250226242
2025-07-10

METHOD OF PROCESSING WAFER

#9
20250125197
2025-04-17

SEMICONDUCTOR CHIP

#10
20250104996
2025-03-27

TUNABLE ELECTRON TRANSPARENT SUBSTRATES FOR HIGH-RESOLUTION CHARACTERIZATION

#11
20250079150
2025-03-06

INTEGRATED STEALTH LASER FOR WAFER EDGE TRIMMING PROCESS

#12
20250073821
2025-03-06

PROCESSING METHOD OF WAFER

#13
20250029828
2025-01-23

METHOD OF PROCESSING WORKPIECE

#14
20250014889
2025-01-09

PROCESSING METHOD OF WAFER

#15
20250014888
2025-01-09

WAFER PROCESSING METHOD

#16
20250006484
2025-01-02

PROCESSING METHOD OF WAFER

#17
20240416450
2024-12-19

PROCESSING METHOD AND PROCESSING SYSTEM

#18
20240404852
2024-12-05

PROCESSING METHOD AND PROCESSING SYSTEM

#19
20240371625
2024-11-07

STACKED WAFER STRUCTURE AND METHOD FOR FORMING THE SAME

#20
20240274431
2024-08-15

WAFER, AND FRONT/BACK SURFACE DETERMINATION METHOD FOR WAFER

#21
20240198455
2024-06-20

DAMAGE PREVENTION DURING WAFER EDGE TRIMMING

#22
20240165765
2024-05-23

METHOD FOR MANUFACTURING SEMICONDUCTOR WAFER

#23
20240162031
2024-05-16

METHOD OF PRODUCING GAAS WAFER, AND GAAS WAFER GROUP

#24
20240153776
2024-05-09

BONDED WAFER PROCESSING METHOD

#25
20240136174
2024-04-25

Integrated aligned stealth laser for wafer edge trimming process

#26
20240128087
2024-04-18

WAFER PROCESSING METHOD

#27
20240112928
2024-04-04

TRIMMING METHOD

#28
20240112902
2024-04-04

PROCESSING METHOD OF BONDED WAFER AND PROCESSING APPARATUS

#29
20240087901
2024-03-14

PROCESSING METHOD OF BONDED WAFER AND PROCESSING APPARATUS

#30
20230411141
2023-12-21

METHOD FOR REMOVING EDGE OF SUBSTRATE IN SEMICONDUCTOR STRUCTURE

#31
20230392289
2023-12-07

INDIUM PHOSPHIDE SUBSTRATE, METHOD FOR MANUFACTURING INDIUM PHOSPHIDE SUBSTRATE, AND SEMICONDUCTOR EPITAXIAL WAFER

#32
20230378274
2023-11-23

INDIUM PHOSPHIDE SUBSTRATE, METHOD FOR MANUFACTURING INDIUM PHOSPHIDE SUBSTRATE, AND SEMICONDUCTOR EPITAXIAL WAFER

#33
20230317445
2023-10-05

WAFER EDGE DEPOSITION FOR WAFER LEVEL PACKAGING

#34
20230290685
2023-09-14

Semiconductor wafer and semiconductor chip

#35
20230253222
2023-08-10

GAS SUPPLIER, PROCESSING APPARATUS, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE

#36
20230207303
2023-06-29

SEMICONDUCTOR PACKAGING METHOD

#37
20230205081
2023-06-29

METHOD FOR PREPARING SEMICONDUCTOR DEVICE STRUCTURE INCLUDING BEVEL ETCHING PROCESS

#38
20230138616
2023-05-04

SEMICONDUCTOR DEVICE AND SEMICONDUCTOR PACKAGE INCLUDING THE SAME

#39
20230082020
2023-03-16

Indium phosphide substrate

#40
20230078982
2023-03-16

CHAMFERED SILICON CARBIDE SUBSTRATE AND METHOD OF CHAMFERING

#41
20230073003
2023-03-09

METHOD FOR PREPARING THE REMAINDER OF A DONOR SUBSTRATE, SUBSTRATE PRODUCED BY SAID METHOD, AND USE OF SUCH A SUBSTRATE

#42
20230020620
2023-01-19

LAMINATED DEVICE WAFER FORMING METHOD

#43
20220367172
2022-11-17

Wafer structure and trimming method thereof

#44
20220362887
2022-11-17

Damage prevention during wafer edge trimming

#45
20220344150
2022-10-27

Stacked wafer structure and method for forming the same

#46
20220319835
2022-10-06

LAMINATION WAFERS AND METHOD OF PRODUCING BONDED WAFERS USING THE SAME

#47
20220316092
2022-10-06

Indium phosphide substrate, semiconductor epitaxial wafer, and method for producing indium phosphide substrate

#48
20220230869
2022-07-21

Taiko wafer ring cut process method

#49
20220220638
2022-07-14

Silicon carbide substrate

#50
20220220637
2022-07-14

Silicon carbide substrate

#51
20220208549
2022-06-30

Indium phosphide substrate

#52
20220199770
2022-06-23

INDIUM PHOSPHIDE SUBSTRATE AND METHOD FOR PRODUCING INDIUM PHOSPHIDE SUBSTRATE

#53
20220189883
2022-06-16

INDIUM PHOSPHIDE SUBSTRATE AND METHOD FOR PRODUCING INDIUM PHOSPHIDE SUBSTRATE

#54
20220181142
2022-06-09

METHODS AND APPARATUS FOR PROCESSING A SUBSTRATE

#55
20220172952
2022-06-02

Processing method of wafer

#56
20220072680
2022-03-10

As-sliced wafer processing method

#57
20220051897
2022-02-17

Wafer processing method

#58
20210398795
2021-12-23

Method of processing wafer

#59
20210358740
2021-11-18

Method for wafer bonding including edge trimming

#60
20210358738
2021-11-18

Method for manufacturing epitaxial wafer, silicon-based substrate for epitaxial growth, and epitaxial wafer

#61
20210343583
2021-11-04

Method of manufacturing epitaxy substrate

#62
20210320000
2021-10-14

Wafer trimming device

#63
20210301421
2021-09-30

SiC wafer and manufacturing method for SiC wafer

#64
20210280466
2021-09-09

Semiconductor wafer and semiconductor chip

#65
20210242010
2021-08-05

Substrate processing system with eccentricity detection device and substrate processing method

#66
20210193453
2021-06-24

Integrated aligned stealth laser with blade and grinding apparatus for wafer edge trimming process

#67
20210028005
2021-01-28

Wafer structure and trimming method thereof

#68
20200395210
2020-12-17

Method and apparatus for treating substrate

#69
20200385265
2020-12-10

Method for preparing the remainder of a donor substrate, substrate produced by said method, and use of such a substrate

#70
20200365389
2020-11-19

WAFER EDGE POLISHING UNIT, AND APPARATUS AND METHOD FOR POLISHING WAFER EDGE COMPRISING SAME

#71
20200350169
2020-11-05

WAFER BONDING METHOD

#72
20200346299
2020-11-05

Apparatus and method for treating substrate

#73
20200343095
2020-10-29

Stacked wafer processing method

#74
20200343085
2020-10-29

Edge Shaping of Substrates

#75
20200316724
2020-10-08

Laser-assisted method for parting crystalline material

#76
20200240929
2020-07-30

Method for evaluating edge shape of silicon wafer, apparatus for evaluating thereof, silicon wafer, method for selecting and method for manufacturing thereof

#77
20200203146
2020-06-25

MODULE AND SYSTEM FOR TRIMMING WAFER EDGE

#78
20200185451
2020-06-11

SEMICONDUCTOR PACKAGE WITH CHAMFERED CORNERS AND RELATED METHODS

#79
20200185241
2020-06-11

CUTTING APPARATUS AND WAFER PROCESSING METHOD USING CUTTING APPARATUS

#80
20200176271
2020-06-04

Method for manufacturing semiconductor device

#81
20200105508
2020-04-02

Methods and Systems for Managing Byproduct Material Accumulation During Plasma-Based Semiconductor Wafer Fabrication Process

#82
20200090923
2020-03-19

Wafer surface beveling method, method of manufacturing wafer, and wafer

#83
20200083057
2020-03-12

Methods for polishing semiconductor substrates that adjust for pad-to-pad variance

#84
20200066507
2020-02-27

Method and apparatus for manufacturing semiconductor device

#85
20200006047
2020-01-02

Method for manufacturing wafer

#86
20190385834
2019-12-19

SUBSTRATE PROCESSING METHOD

#87
20190348272
2019-11-14

Chamfered silicon carbide substrate and method of chamfering

#88
20190345635
2019-11-14

Chamfered silicon carbide substrate and method of chamfering

#89
20190341378
2019-11-07

Edge cut debond using a temporary filler material with no adhesive properties and edge cut debond using an engineered carrier to enable topography

#90
20190337116
2019-11-07

Method of using a polishing system

#91
20190304831
2019-10-03

Epitaxy substrate and method of manufacturing the same

#92
20190295836
2019-09-26

Electrolytic plating apparatus

#93
20190273111
2019-09-05

Semiconductor package with chamfered corners and related methods

#94
20190267247
2019-08-29

Method for manufacturing semiconductor device

#95
20190252180
2019-08-15

WAFER MANUFACTURING METHOD AND WAFER

#96
20190244928
2019-08-08

Semiconductor packages

#97
20190221435
2019-07-18

Method of manufacturing bonded wafer

#98
20190148132
2019-05-16

METHOD OF MANUFACTURING SMALL-DIAMETER WAFER

#99
20190148130
2019-05-16

Wafer structure and trimming method thereof

#100
20190131192
2019-05-02

Wafer with beveled edge region and method for analyzing shape of the same

#101
20190088637
2019-03-21

Edge cut debond using a temporary filler material with no adhesive properties and edge cut debond using an engineered carrier to enable topography

#102
20190074171
2019-03-07

Semiconductor manufacturing apparatus and method of manufacturing semiconductor device

#103
20190054589
2019-02-21

Polishing method and polishing apparatus

#104
20190051554
2019-02-14

Wafer Support Assembly Including Ion Implantation Mask Structure

#105
20190006197
2019-01-03

WAFER PART AND CHIP PACKAGING METHOD

#106
20180358443
2018-12-13

SILICON CARBIDE WAFER AND POSITIONING EDGE PROCESSING METHOD THEREOF

#107
20180342413
2018-11-29

Fixed position mask for workpiece edge treatment

#108
20180342383
2018-11-29

Monocrystalline semiconductor wafer and method for producing a semiconductor wafer

#109
20180308697
2018-10-25

Semiconductor substrate and manufacturing method of the same

#110
20180277401
2018-09-27

Substrate processing method and apparatus

#111
20180245240
2018-08-30

METHOD FOR PRODUCING SEMICONDUCTOR EPITAXIAL WAFER AND SEMICONDUCTOR EPITAXIAL WAFER

#112
20180226258
2018-08-09

Method for manufacturing semiconductor wafer

#113
20180169820
2018-06-21

Polishing apparatus and pressing pad for pressing polishing tool

#114
20180158719
2018-06-07

Method for direct bonding of substrates including thinning of the edges of at least one of the two substrates

#115
20180151335
2018-05-31

Method for controlling exposure region in bevel etching process for semiconductor fabrication

#116
20180138144
2018-05-17

Semiconductor packages with leadframes and related methods

#117
20180076043
2018-03-15

Substrate processing method and substrate processing apparatus

#118
20180026092
2018-01-25

Wafer group, wafer manufacturing device, and wafer manufacturing method

#119
20180019115
2018-01-18

Semiconductor substrate and manufacturing method thereof

#120
20170330831
2017-11-16

Metallization of the wafer edge for optimized electroplating performance on resistive substrates

#121
20170330783
2017-11-16

Vacuum chuck, beveling/polishing device, and silicon wafer beveling/polishing method

#122
20170312881
2017-11-02

Polishing system

#123
20170294300
2017-10-12

Method of processing bonded wafer

#124
20170256391
2017-09-07

Silicon carbide single crystal substrate and method for manufacturing the same

#125
20170221697
2017-08-03

Method for manufacturing SiC epitaxial wafer and SiC epitaxial wafer

#126
20170186600
2017-06-29

Semiconductor wafer and method

#127
20170165804
2017-06-15

Polishing apparatus and polishing method

#128
20170098539
2017-04-06

Material growth with temperature controlled layer

#129
20170081554
2017-03-23

Composition for polishing silicon wafers

#130
20170029977
2017-02-02

Method for producing semiconductor epitaxial wafer and semiconductor epitaxial wafer

#131
20170018454
2017-01-19

METHOD FOR PREPARING LOW-WARPAGE SEMICONDUCTOR SUBSTRATE

#132
20170011903
2017-01-12

Method for manufacturing semiconductor wafer

#133
20160379865
2016-12-29

METHOD FOR PREPARING SEMICONDUCTOR SUBSTRATE WITH SMOOTH EDGES

#134
20160343564
2016-11-24

Edge trim processes and resultant structures

#135
20160307848
2016-10-20

Whole wafer edge seal

#136
20160300708
2016-10-13

Chamfering apparatus and method for manufacturing notchless wafer

#137
20160254222
2016-09-01

Metallization of the wafer edge for optimized electroplating performance on resistive substrates

#138
20160247684
2016-08-25

Semiconductor device manufacturing method using a multilayer resist

#139
20160233080
2016-08-11

Silicon carbide semiconductor substrate and method for manufacturing same

#140
20160196995
2016-07-07

Semiconductor manufacturing apparatus and semiconductor manufacturing method

#141
20160190095
2016-06-30

Semiconductor packages and related methods

#142
20160104629
2016-04-14

Apparatus and a method for treating a substrate

#143
20160099319
2016-04-07

Semiconductor wafer including a monocrystalline semiconductor layer spaced apart from a poly template layer

#144
20160005593
2016-01-07

Method for manufacturing a circular wafer by polishing the periphery, including a notch or orientation flat, of a wafer comprising crystal material, by use of polishing tape

#145
20150380327
2015-12-31

Wafer bonding structures and wafer processing methods

#146
20150348772
2015-12-03

Metallization of the wafer edge for optimized electroplating performance on resistive substrates

#147
20150340222
2015-11-26

Method of flattening a wafer

#148
20150332911
2015-11-19

METHOD OF PROCESSING WAFER

#149
20150332910
2015-11-19

Wafer processing method to remove crystal strains

#150
20150318150
2015-11-05

REAL-TIME EDGE ENCROACHMENT CONTROL FOR WAFER BEVEL

#151
20150243517
2015-08-27

Alkaline pickling process

#152
20150194319
2015-07-09

Flat SiC semiconductor substrate

#153
20150184314
2015-07-02

Method of producing epitaxial silicon wafer and epitaxial silicon wafer

#154
20150162181
2015-06-11

Semiconductor wafer manufacturing method

#155
20150118826
2015-04-30

Method of grinding wafer stacks to provide uniform residual silicon thickness

#156
20150060509
2015-03-05

Method of controlled crack propagation for material cleavage using electromagnetic forces

#157
20140357067
2014-12-04

METHOD OF MANUFACTURING NITRIDE SUBSTRATE, AND NITRIDE SUBSTRATE

#158
20140264368
2014-09-18

Process of forming a semiconductor wafer

#159
20140162534
2014-06-12

Polishing system and polishing method

#160
20140113452
2014-04-24

WAFER EDGE TRIMMING METHOD

#161
20140073223
2014-03-13

Method and apparatus for wafer backgrinding and edge trimming on one machine

#162
20130264690
2013-10-10

Method of producing epitaxial wafer and the epitaxial wafer having a highly flat rear surface

#163
20130252401
2013-09-26

NITRIDE SEMICONDUCTOR SUBSTRATE, SEMICONDUCTOR DEVICE, AND METHODS FOR MANUFACTURING NITRIDE SEMICONDUCTOR SUBSTRATE AND SEMICONDUCTOR DEVICE

#164
20130248099
2013-09-26

Method of manufacturing a semiconductor device and substrate separating apparatus

#165
20130069057
2013-03-21

Wafer with high rupture resistance

#166
20120325196
2012-12-27

METHOD FOR MANUFACTURING SILICON CARBIDE SUBSTRATE

#167
20120315739
2012-12-13

MANUFACTURING METHOD FOR SEMICONDUCTOR WAFER

#168
20120248578
2012-10-04

Semiconductor wafer and method of producing the same

#169
20120241916
2012-09-27

Wafer edge conditioning for thinned wafers

#170
20120211849
2012-08-23

Semiconductor device, method for manufacturing semiconductor device, method for laminating semiconductor wafers, and electronic device

#171
20120187547
2012-07-26

Semiconductor wafer and semiconductor device wafer

#172
20120184108
2012-07-19

METHOD OF PROCESSING OF NITRIDE SEMICONDUCTOR WAFER, NITRIDE SEMICONDUCTOR WAFER, METHOD OF PRODUCING NITRIDE SEMICONDUCTOR DEVICE AND NITRIDE SEMICONDUCTOR DEVICE

#173
20120100785
2012-04-26

METHOD FOR CHAMFERING WAFER

#174
20120043645
2012-02-23

Nitride semiconductor wafer having a chamfered edge

#175
20110297959
2011-12-08

Chamfered freestanding nitride semiconductor wafer and method of chamfering nitride semiconductor wafer

#176
20110275219
2011-11-10

High pressure bevel etch process

#177
20110256815
2011-10-20

Method for polishing silicon wafer, method for producing silicon wafer, apparatus for polishing disk-shaped workpiece, and silicon wafer

#178
20110241022
2011-10-06

SUBSTRATE AND METHOD OF MANUFACTURING SUBSTRATE

#179
20110156213
2011-06-30

Method of manufacturing nitride substrate, and nitride substrate

#180
20110130002
2011-06-02

Methods and apparatus for edge chamfering of semiconductor wafers using chemical mechanical polishing

#181
20110097975
2011-04-28

Method for producing a semiconductor wafer

#182
20110068434
2011-03-24

Nitride semiconductor substrate, semiconductor device, and methods for manufacturing nitride semiconductor substrate and semiconductor device

#183
20110062115
2011-03-17

Composition and method for polishing bulk silicon

#184
20110049679
2011-03-03

Method of processing of nitride semiconductor wafer, nitride semiconductor wafer, method of producing nitride semiconductor device and nitride semiconductor device

#185
20110039411
2011-02-17

Method for producing a polished semiconductor wafer

#186
20110003540
2011-01-06

POLISHING APPARATUS

#187
20110003537
2011-01-06

Polishing apparatus and polishing method

#188
20100330885
2010-12-30

Method for polishing the edge of a semiconductor wafer

#189
20100330883
2010-12-30

Method for the local polishing of a semiconductor wafer

#190
20100294196
2010-11-25

Substrate for growing single crystal diamond layer and method for producing single crystal diamond substrate

#191
20100270649
2010-10-28

Nitride semiconductor wafer

#192
20100224964
2010-09-09

Epitaxially coated silicon wafer and method for producing an epitaxially coated silicon wafer

#193
20100151686
2010-06-17

High pressure bevel etch process

#194
20100112909
2010-05-06

METHOD OF AND APPARATUS FOR ABRADING OUTER PERIPHERAL PARTS OF A SEMICONDUCTOR WAFER

#195
20100028605
2010-02-04

SUBSTRATE FOR EPITAXIAL GROWTH

#196
20090325382
2009-12-31

Bevel etcher

#197
20090324896
2009-12-31

Chamfering apparatus for silicon wafer, method for producing silicon wafer, and etched silicon wafer

#198
20090291621
2009-11-26

Reclamation method of semiconductor wafer

#199
20090286047
2009-11-19

SEMICONDUCTOR WAFER

#200
20090247055
2009-10-01

Methods for etching the edge of a silicon wafer

#201
20090246444
2009-10-01

Edge etched silicon wafers

#202
20090242126
2009-10-01

EDGE ETCHING APPARATUS FOR ETCHING THE EDGE OF A SILICON WAFER

#203
20090218659
2009-09-03

Chamfered freestanding nitride semiconductor wafer and method of chamfering nitride semiconductor wafer

#204
20090170406
2009-07-02

Wafer production method

#205
20090163119
2009-06-25

Method for machining chamfer portion of semiconductor wafer and method for correcting groove shape of grinding stone

#206
20090142916
2009-06-04

APPARATUS AND METHOD OF MANUFACTURING AN INTEGRATED CIRCUIT

#207
20090130960
2009-05-21

Method For Producing A Semiconductor Wafer With A Polished Edge

#208
20090036033
2009-02-05

METHODS AND APPARATUS FOR PROCESSING A SUBSTRATE

#209
20090023364
2009-01-22

METHOD OF MAKING A WAFER HAVING AN ASYMMETRIC EDGE PROFILE

#210
20090017731
2009-01-15

METHODS AND APPARATUS FOR PROCESSING A SUBSTRATE

#211
20090017730
2009-01-15

Polishing apparatus and polishing method

#212
20080293253
2008-11-27

Wet etching of the edge and bevel of a silicon wafer

#213
20080214094
2008-09-04

METHOD FOR MANUFACTURING SILICON WAFER

#214
20080113510
2008-05-15

Semiconductor Wafer Fabricating Method and Semiconductor Wafer Mirror Edge Polishing Method

#215
20080096474
2008-04-24

Method for producing semiconductor wafer and semiconductor wafer

#216
20080057714
2008-03-06

Polished semiconductor wafer and process for producing it

#217
20080036040
2008-02-14

Semiconductor wafers with highly precise edge profile and method for producing them

#218
20080026185
2008-01-31

Method for Polishing Silicon Wafer, Method for Producing Silicon Wafer, Apparatus for Polishing Disk-Shaped Workpiece, and Silicon Wafer

#219
20070264911
2007-11-15

Method for producing a semiconductor wafer with profiled edge

#220
20070248786
2007-10-25

WAFER HAVING AN ASYMMETRIC EDGE PROFILE AND METHOD OF MAKING THE SAME

#221
20070178701
2007-08-02

Method of processing a substrate

#222
20070166146
2007-07-19

Semiconductor wafer

#223
20070131654
2007-06-14

Methods and apparatus for processing a substrate

#224
20070131653
2007-06-14

Methods and apparatus for processing a substrate

#225
20070105258
2007-05-10

Group III nitride semiconductor substrate

#226
20070017900
2007-01-25

Semiconductor wafer and process for producing a semiconductor wafer

#227
20060252355
2006-11-09

Polishing tape and method

#228
20060252272
2006-11-09

Method of processing silicon wafer

#229
20060194520
2006-08-31

Chamfered freestanding nitride semiconductor wafer and method of chamfering nitride semiconductor wafer

#230
20060079155
2006-04-13

Wafer grinding method

#231
20050221615
2005-10-06

Method of processing a substrate

#232
20050161808
2005-07-28

Wafer, intermediate wafer assembly and associated method for fabricating a silicon on insulator wafer having an improved edge profile

#233
20050109369
2005-05-26

Method to use a laser to perform the edge clean operation on a semiconductor wafer

#234
20050062135
2005-03-24

Semiconductor device and method for fabricating the same

#235
16274064
2020-03-03

Laser-assisted method for parting crystalline material

#236
15892114
2019-07-02

Semiconductor package with chamfered corners and related methods

#237
15637828
2018-07-10

Edge roughness reduction

#238
14850658
2016-12-06

Protective coating for silicon substrate

#239
14073602
2016-07-12

Method for creating asymmetrical wafer