ClassID:

208667

H01L31/0747 - CPC Classification

Classification description:

Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by at least one potential-jump barrier or surface barrier the potential barriers being only of the PN heterojunction type comprising a AB heterojunction, e.g. Si/Ge, SiGe/Si or Si/SiC solar cells comprising a heterojunction of crystalline and amorphous materials, e.g. heterojunction with intrinsic thin layer or HIT® solar cells; solar cells

Recent Application in this class:
#1
20250072161
2025-02-27

HETEROJUNCTION BATTERY AND PREPARATION METHOD THEREFOR

#2
20250072155
2025-02-27

THIN-FILM CRYSTALLINE SILICON SOLAR CELL USING A NANOIMPRINTED PHOTONIC-PLASMONIC BACK-REFLECTOR STRUCTURE

#3
20250072154
2025-02-27

SOLAR CELL AND METHOD FOR FORMING THE SAME

#4
20250048777
2025-02-06

SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME

#5
20240429342
2024-12-26

METHOD FOR SINGULATING A SEMICONDUCTOR COMPONENT HAVING A PN JUNCTION AND SEMICONDUCTOR COMPONENT HAVING A PN JUNCTION

#6
20240421236
2024-12-19

SHINGLED SOLAR CELL MODULE

#7
20240395963
2024-11-28

TOPCon CELL, METHOD FOR MANUFACTURING THE SAME, AND ELECTRICAL DEVICE

#8
20240372032
2024-11-07

METHOD FOR PREPARING HETEROJUNCTION CELL, HETEROJUNCTION CELL AND PHOTOVOLTAIC ASSEMBLY

#9
20240355954
2024-10-24

Solar Device Fabrication Limiting Power Conversion Losses

#10
20240290894
2024-08-29

UV-curing of light receiving surfaces of solar cells

#11
20240274741
2024-08-15

METHOD FOR PREPARING HETEROJUNCTION SOLAR CELL, HETEROJUNCTION SOLAR CELL AND APPLICATION THEREOF

#12
20240274733
2024-08-15

BACK-CONTACT SOLAR CELL AND METHOD FOR PRODUCING BACK-CONTACT SOLAR CELL

#13
20240266453
2024-08-08

Stacked solar cell

#14
20240258449
2024-08-01

MULTI-JUNCTION SOLAR CELL

#15
20240204123
2024-06-20

HETEROJUNCTION CELL AND PROCESSING METHOD THEREFOR, AND BATTERY ASSEMBLY

#16
20240194812
2024-06-13

HIGH-EFFICIENCY SILICON HETEROJUNCTION SOLAR CELL AND MANUFACTURING METHOD THEREOF

#17
20240186430
2024-06-06

TRI-LAYER SEMICONDUCTOR STACKS FOR PATTERNING FEATURES ON SOLAR CELLS

#18
20240170599
2024-05-23

SILICON-BASED HETERO-JUNCTION SOLAR CELL AND PHOTOVOLTAIC MODULE

#19
20240162364
2024-05-16

TRANSPARENT CONDUCTIVE OXIDE FILM AND HETEROJUNCTION SOLAR CELL

#20
20240145609
2024-05-02

BACKSIDE CONTACT SOLAR CELLS WITH SEPARATED POLYSILICON DOPED REGIONS

#21
20240128392
2024-04-18

BACKSIDE EMITTER SOLAR CELL STRUCTURE HAVING A HETEROJUNCTION

#22
20240097054
2024-03-21

ELECTRODE ASSEMBLY

#23
20240088313
2024-03-14

SOLAR CELL

#24
20240079511
2024-03-07

HETEROJUNCTION SOLAR CELL AND MANUFACTURING METHOD THEREOF

#25
20240063314
2024-02-22

A SOLAR CELL

#26
20240021742
2024-01-18

Solar cell and method for manufacturing solar cell

#27
20230307568
2023-09-28

Coating apparatus, method and system, solar cell, module, and power generation system

#28
20230261120
2023-08-17

HETEROJUNCTION BATTERY, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

#29
20230238471
2023-07-27

HYBRID POLYSILICON HETEROJUNCTION BACK CONTACT CELL

#30
20230207712
2023-06-29

SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME

#31
20230197877
2023-06-22

Solar cell having an emitter region with wide bandgap semiconductor material

#32
20230197876
2023-06-22

SOLAR CELL FABRICATION

#33
20230178673
2023-06-08

Design and Fabrication Method of Hetero-structured Solar Cell Using Non-Crystalline a-Si/poly-Si

#34
20230178672
2023-06-08

Backside emitter solar cell structure having a heterojunction and method and device for producing the same

#35
20230178664
2023-06-08

HJT cell having high photoelectric conversion efficiency and preparation method therefor

#36
20230155039
2023-05-18

Solar cells with differentiated p-type and n-type region architectures

#37
20230088906
2023-03-23

Solar cell and method for producing solar cell

#38
20230081214
2023-03-16

Methods and systems for photovoltaic devices using silicon particles

#39
20230079215
2023-03-16

Solar device fabrication limiting power conversion losses

#40
20230023777
2023-01-26

SOLAR CELL

#41
20230014707
2023-01-19

METHOD FOR PRODUCING ELECTRICAL CONTACTS ON A COMPONENT

#42
20220393042
2022-12-08

SOLAR CELL

#43
20220389257
2022-12-08

INK BASED ON SILVER NANOPARTICLES

#44
20220367735
2022-11-17

Shingled solar cell module

#45
20220352393
2022-11-03

Shingled solar cell module

#46
20220310870
2022-09-29

Thin-film crystalline silicon solar cell using a nanoimprinted photonic-plasmonic back-reflector structure

#47
20220293801
2022-09-15

UV-CURING OF LIGHT-RECEIVING SURFACES OF SOLAR CELLS

#48
20220271190
2022-08-25

SHINGLED SOLAR CELL PANEL AND METHOD OF MANUFACTURING THE SAME

#49
20220271180
2022-08-25

Backside emitter solar cell structure having a heterojunction and method and device for producing the same

#50
20220271178
2022-08-25

Photovoltaic device and photovoltaic unit

#51
20220262966
2022-08-18

Tri-layer semiconductor stacks for patterning features on solar cells

#52
20220246774
2022-08-04

Method for treating a stack obtained during the manufacture of a heterojunction photovoltaic cell

#53
20220209037
2022-06-30

Backside contact solar cells with separated polysilicon doped regions

#54
20220158018
2022-05-19

SURFACE TREATMENT OF SOLAR CELLS

#55
20220149225
2022-05-12

METHOD OF PRODUCTION OF SILICON HETEROJUNCTION SOLAR CELLS WITH STABILIZATION STEP AND PRODUCTION LINE SECTION FOR THE STABILIZING STEP

#56
20220140178
2022-05-05

Solar cell and method for manufacturing the same

#57
20220135851
2022-05-05

Electrically conductive adhesive

#58
20220123164
2022-04-21

Method of manufacturing solar cell

#59
20220059719
2022-02-24

Solar cell and method for manufacturing the same

#60
20220005965
2022-01-06

Solar cell module

#61
20210391822
2021-12-16

Roller shade with solar cells

#62
20210249551
2021-08-12

Solar cell having an emitter region with wide bandgap semiconductor material

#63
20210210644
2021-07-08

SEMI TRANSPARENT PHOTOVOLTAIC DEVICE WITH OPTIMIZED COLLECTOR GRID

#64
20210159355
2021-05-27

Solar cell, and method for manufacturing solar cell

#65
20210155819
2021-05-27

Conductive paste

#66
20210135027
2021-05-06

Solar cell and production method therefor, and solar cell module

#67
20210098638
2021-04-01

Photovoltaic devices and photovoltaic modules

#68
20210091249
2021-03-25

Trench process and structure for backside contact solar cells with polysilicon doped regions

#69
20210083135
2021-03-18

PASSIVATED CONTACT INTERLAYER FOR PHOTOVOLTAICS

#70
20210057597
2021-02-25

METHOD FOR MANUFACTURING SOLAR CELL, AND HOLDER USED FOR SAME

#71
20210050467
2021-02-18

Photovoltaic devices, photovoltaic modules provided therewith, and solar power generation systems

#72
20210043782
2021-02-11

Solar cells with improved lifetime, passivation and/or efficiency

#73
20210005832
2021-01-07

Tandem solar cell manufacturing method

#74
20200411713
2020-12-31

Method for manufacturing solar cell

#75
20200365752
2020-11-19

Hybrid polysilicon heterojunction back contact cell

#76
20200313030
2020-10-01

METHOD OF MANUFACTURING SOLAR CELL FOR MANUFACTURING SOLAR CELL FROM SPLITTABLE SOLAR CELL THAT CAN BE SPLIT, SOLAR CELL, AND SOLAR CELL MODULE

#77
20200313020
2020-10-01

Solar cell assembly and method of manufacturing solar cell

#78
20200313011
2020-10-01

Method of manufacturing solar cell and splittable solar cell for manufacturing solar cell from splittable solar cell that can be split

#79
20200313010
2020-10-01

SOLAR CELL AND SOLAR CELL MODULE

#80
20200313009
2020-10-01

Solar cell and solar cell module

#81
20200304063
2020-09-24

High efficiency configuration for solar cell string

#82
20200279968
2020-09-03

INTERDIGITATED BACK-CONTACTED SOLAR CELL WITH P-TYPE CONDUCTIVITY

#83
20200274008
2020-08-27

Solar cells with tunnel dielectrics

#84
20200259027
2020-08-13

Method for the production of a light-to-electricity converter made entirely from silicon for a giant photoconversion

#85
20200251601
2020-08-06

Solar cells with differentiated P-type and N-type region architectures

#86
20200227574
2020-07-16

Photovoltaic device, solar cell string of photovoltaic devices, and solar cell module including either photovoltaic device or solar cell string

#87
20200220039
2020-07-09

Method of manufacturing solar cell

#88
20200203545
2020-06-25

Double-sided electrode type solar cell and solar cell module

#89
20200168514
2020-05-28

Method and system for manufacturing solar cells and shingled solar cell modules

#90
20200161484
2020-05-21

Photovoltaic device and solar cell module including same

#91
20200144440
2020-05-07

Method for manufacturing photoelectric conversion device

#92
20200135948
2020-04-30

SOLAR CELL AND SOLAR CELL MODULE

#93
20200135943
2020-04-30

Solar cell, method for manufacturing same and solar cell module

#94
20200119220
2020-04-16

Tri-layer semiconductor stacks for patterning features on solar cells

#95
20200111928
2020-04-09

Solar cell

#96
20200111924
2020-04-09

UV-curing of light-receiving surfaces of solar cells

#97
20200098945
2020-03-26

PROCESS FOR PRODUCING A PHOTOVOLTAIC SOLAR CELL HAVING A HETEROJUNCTION AND A DIFFUSED-IN EMITTER REGION

#98
20200098939
2020-03-26

SOLAR CELL AND METHOD OF MANUFACTURING SOLAR CELL

#99
20200091368
2020-03-19

Selective deposition for interdigitated patterns in solar cells

#100
20200091366
2020-03-19

Solar cell having an emitter region with wide bandgap semiconductor material

#101
20200075789
2020-03-05

Silicon heterojunction solar cells and methods of manufacture

#102
20200075784
2020-03-05

Solar cell emitter region fabrication with differentiated P-type and N-type region architectures

#103
20200058820
2020-02-20

ELECTRICAL CONDUCTIVITY BY MICROWAVE SINTERING

#104
20200058811
2020-02-20

Electrode formation for heterojunction solar cells

#105
20200035849
2020-01-30

Multi-junction solar cell module and photovoltaic system

#106
20200028005
2020-01-23

Bifacial Solar Modules Incorporating Effectively Transparent Contacts

#107
20200028003
2020-01-23

Solar cell, solar cell module, and solar cell manufacturing method

#108
20200006590
2020-01-02

Solar cell and method of manufacturing solar cell

#109
20190393370
2019-12-26

Photoelectric conversion device and method for manufacturing same

#110
20190393365
2019-12-26

Transparent Conductive Oxide in Silicon Heterojunction Solar Cells

#111
20190386160
2019-12-19

SOLAR CELL

#112
20190378947
2019-12-12

Trench process and structure for backside contact solar cells with polysilicon doped regions

#113
20190371954
2019-12-05

SOLAR CELL AND PREPARATION METHOD THEREOF

#114
20190371946
2019-12-05

Method of cleaning an exposed surface of a back contacted solar cell by depositing and removing a sacrificial layer

#115
20190355860
2019-11-21

SOLAR CELL

#116
20190334041
2019-10-31

SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME

#117
20190326457
2019-10-24

Solar cell and method of manufacturing the same

#118
20190326456
2019-10-24

Solar cell and method for manufacturing the same

#119
20190326453
2019-10-24

Solar cell

#120
20190326452
2019-10-24

Solar cell

#121
20190326451
2019-10-24

Solar cell

#122
20190319153
2019-10-17

SOLAR CELL INCLUDING CONDUCTIVE AMORPHOUS SEMICONDUCTOR LAYER AND METHOD OF MANUFACTURING SOLAR CELL

#123
20190319140
2019-10-17

Solar cell and method for manufacturing the same

#124
20190312161
2019-10-10

Manufacturing method for solar cell

#125
20190305155
2019-10-03

Solar cell and solar cell module

#126
20190296164
2019-09-26

Photovoltaic device

#127
20190288148
2019-09-19

Surface treatment of solar cells

#128
20190288130
2019-09-19

Method for producing a solar cell, solar cell produced by this method and substrate carrier

#129
20190259885
2019-08-22

SOLAR CELL, METHOD FOR MANUFACTURING SAME, AND SOLAR CELL MODULE

#130
20190256996
2019-08-22

Process for metallizing a component

#131
20190245108
2019-08-08

Method of manufacturing back surface junction type solar cell

#132
20190237608
2019-08-01

Solar cell and method of manufacturing solar cell

#133
20190237599
2019-08-01

METHOD FOR PRODUCING ELECTRICAL CONTACTS ON A COMPONENT

#134
20190229228
2019-07-25

Solar cell and method for manufacturing the same

#135
20190221702
2019-07-18

SOLAR CELL AND METHOD FOR PRODUCING SOLAR CELL

#136
20190221701
2019-07-18

Solar cell

#137
20190221684
2019-07-18

Solar cell, solar cell module, and method for manufacturing solar cell

#138
20190198706
2019-06-27

Heterojunction Solar Cell and Fabrication Method Thereof

#139
20190198698
2019-06-27

THIN FILM ASSEMBLY AND METHOD OF PREPARING THE SAME, AND HETERO-JUNCTION CELL INCLUDING THIN FILM ASSEMBLY

#140
20190198696
2019-06-27

Heterojunction photovoltaic device and fabrication method

#141
20190189813
2019-06-20

Tri-layer semiconductor stacks for patterning features on solar cells

#142
20190189811
2019-06-20

PHOTOVOLTAIC DEVICE AND PHOTOVOLTAIC UNIT

#143
20190181291
2019-06-13

SOLAR CELL AND METHOD FOR MANUFACTURING SAME

#144
20190172963
2019-06-06

SOLAR CELL SHEET AND PREPARATION METHOD THEREOF, SOLAR CELL STRING AND PHOTOVOLTAIC MODULE

#145
20190157489
2019-05-23

SOLAR CELL AND METHOD FOR PRODUCING SOLAR CELL

#146
20190157474
2019-05-23

Solar cell

#147
20190148579
2019-05-16

HETEROJUNCTION SOLAR CELL AND PREPARATION METHOD THEREOF

#148
20190148573
2019-05-16

Solar cell and method for manufacturing the same

#149
20190148565
2019-05-16

Photovoltaic device and solar cell string including photovoltaic devices

#150
20190140119
2019-05-09

Crystalline silicon solar cell and method for producing same

#151
20190131485
2019-05-02

Crystallisation of amorphous silicon from a silicon-rich aluminium substrate

#152
20190131477
2019-05-02

Solar cell having an emitter region with wide bandgap semiconductor material

#153
20190131463
2019-05-02

Solar cells with improved lifetime, passivation and/or efficiency

#154
20190123230
2019-04-25

Contact for silicon heterojunction solar cells

#155
20190123221
2019-04-25

Solar cell and production method therefor, and solar cell module

#156
20190115486
2019-04-18

BACK CONTACT SOLAR BATTERY CELL, SOLAR BATTERY MODULE, AND SOLAR POWER GENERATION SYSTEM

#157
20190115484
2019-04-18

Solar cell

#158
20190109253
2019-04-11

SOLAR CELL AND METHOD FOR MANUFACTURING SAME, AND SOLAR CELL PANEL

#159
20190088802
2019-03-21

Moisture-resistant solar cells for solar roof tiles

#160
20190081198
2019-03-14

Shingled solar cell module comprising hidden tap interconnects

#161
20190058079
2019-02-21

Method and device for soldering Hetero-Junction with intrinsic Thin-Film solar cells together to form string

#162
20190057792
2019-02-21

ELECTRICALLY CONDUCTIVE COMPOSITION AND APPLICATIONS FOR SAID COMPOSITION

#163
20190051789
2019-02-14

Shingled solar cell module

#164
20190051777
2019-02-14

Crystalline silicon solar cell, production method therefor, and solar cell module

#165
20190051769
2019-02-14

PASSIVATION OF LIGHT-RECEIVING SURFACES OF SOLAR CELLS

#166
20190044018
2019-02-07

Photovoltaic device

#167
20190044017
2019-02-07

Photovoltaic device and method of manufacturing same

#168
20190044015
2019-02-07

Backside contact solar cells with separated polysilicon doped regions

#169
20190027637
2019-01-24

SOLAR CELL AND METHOD OF MANUFACTURING SAME

#170
20190027630
2019-01-24

Solar cell

#171
20190027619
2019-01-24

SOLAR CELL

#172
20190013432
2019-01-10

Encased adhesive tape and method for manufacturing solar cell module

#173
20180374976
2018-12-27

Solar cell having a plurality of absorbers connected to one another by means of charge-carrier-selective contacts

#174
20180367095
2018-12-20

HIGH EFFICIENCY CONFIGURATION FOR SOLAR CELL STRING

#175
20180366597
2018-12-20

Systems and methods for forming foil contact rear emitter solar cells with carrier selective contacts

#176
20180358506
2018-12-13

Solar cell and method of manufacturing the same

#177
20180347032
2018-12-06

Film formation apparatus, film formation method, and manufacturing method of solar battery

#178
20180342641
2018-11-29

Preparation Method of Heterojunction Solar Cell and Heterojunction Solar Cell

#179
20180337292
2018-11-22

SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME

#180
20180331243
2018-11-15

SOLAR CELL MODULE

#181
20180323333
2018-11-08

Shingled solar cell module

#182
20180309010
2018-10-25

Photovoltaic device and method for manufacturing the same

#183
20180301582
2018-10-18

Method for manufacturing photoelectric conversion device

#184
20180301581
2018-10-18

Method for manufacturing photoelectric conversion device

#185
20180294366
2018-10-11

Photoelectric conversion device and method for manufacturing same

#186
20180277700
2018-09-27

Solar cell, method for manufacturing same, solar cell module and wiring sheet

#187
20180277694
2018-09-27

Solar cell and method for manufacturing the same

#188
20180254375
2018-09-06

Method for manufacturing crystalline silicon-based solar cell and method for manufacturing crystalline silicon-based solar cell module

#189
20180254361
2018-09-06

Embedded junction in hetero-structured back-surface field for photovoltaic devices

#190
20180248054
2018-08-30

Photoelectric conversion element

#191
20180226523
2018-08-09

Solar cell and method for manufacturing the same

#192
20180219119
2018-08-02

Method of manufacturing back surface junction type solar cell

#193
20180219108
2018-08-02

Solar cells with improved lifetime, passivation and/or efficiency

#194
20180219107
2018-08-02

BACK SURFACE JUNCTION TYPE SOLAR CELL AND METHOD OF MANUFACTURING SOLAR CELL

#195
20180212095
2018-07-26

Method of manufacturing solar cell

#196
20180212094
2018-07-26

Methods for forming an interdigitated back contact heterojunction photovoltaic device with a floating junction front surface field

#197
20180204737
2018-07-19

Method of manufacturing solar cell

#198
20180190853
2018-07-05

METHOD FOR MANUFACTURING HETEROJUNCTION WITH INTRINSIC THIN LAYER SOLAR CELL

#199
20180190841
2018-07-05

Methods to introduce sub-micrometer, symmetry-breaking surface corrugation to silicon substrates to increase light trapping

#200
20180190840
2018-07-05

Photovoltaic device

#201
20180158977
2018-06-07

Method of manufacturing solar cell

#202
20180151766
2018-05-31

ANTI-CORROSION PROTECTION IN PHOTOVOLTAIC STRUCTURES

#203
20180138345
2018-05-17

Solar cell

#204
20180138323
2018-05-17

Photovoltaic device

#205
20180122964
2018-05-03

SOLAR BATTERY AND SOLAR BATTERY MODULE

#206
20180122963
2018-05-03

Method of patterning an amorphous semiconductor layer

#207
20180114873
2018-04-26

Solar cell, method for manufacturing same, solar cell module and wiring sheet

#208
20180114871
2018-04-26

Solar cell

#209
20180097131
2018-04-05

Solar cells with differentiated P-type and N-type region architectures

#210
20180083152
2018-03-22

CRYSTALLINE SILICON SOLAR CELL MODULE AND MANUFACTURING METHOD FOR SAME

#211
20180083149
2018-03-22

Solar cell and method for manufacturing the same

#212
20180069144
2018-03-08

Solar cell and method for manufacturing same

#213
20180069141
2018-03-08

Monolithic integration of heterojunction solar cells

#214
20180069139
2018-03-08

Photovoltaic devices and photovoltaic modules

#215
20180062023
2018-03-01

Surface treatment for photovoltaic device

#216
20180062012
2018-03-01

Solar battery and solar battery module

#217
20180062005
2018-03-01

Method for manufacturing crystalline silicon substrate for solar cell, method for manufacturing crystalline silicon solar cell, and method for manufacturing crystalline silicon solar cell module

#218
20180057632
2018-03-01

CONDUCTIVE COMPOSITION FOR FORMING SOLAR CELL COLLECTOR ELECTRODE, SOLAR CELL, AND SOLAR CELL MODULE

#219
20180040759
2018-02-08

Photovoltaic devices including curved sub-layers

#220
20180040747
2018-02-08

Solar cell and method for manufacturing solar cell

#221
20180033905
2018-02-01

Flexible silicon infrared emitter

#222
20180033904
2018-02-01

Solar cell, method for manufacturing same

#223
20180026150
2018-01-25

WAVELENGTH CONVERSION MEMBER AND PHOTOVOLTAIC DEVICE USING SAME

#224
20180019368
2018-01-18

Method of manufacturing solar cell

#225
20180019361
2018-01-18

PHOTOELECTRIC CONVERSION DEVICE, MANUFACTURING METHOD FOR PHOTOELECTRIC CONVERSION DEVICE, AND PHOTOELECTRIC CONVERSION MODULE

#226
20180019360
2018-01-18

Photoelectric conversion device and photoelectric conversion module

#227
20180013021
2018-01-11

SOLAR CELL

#228
20180006168
2018-01-04

Photovoltaic device, photovoltaic module, and method for fabricating the photovoltaic device

#229
20180006165
2018-01-04

Solar cell, method for manufacturing same and solar cell module

#230
20170365724
2017-12-21

Transparent conductive oxide in silicon heterojunction solar cells

#231
20170359016
2017-12-14

SOLAR CELL SYSTEM INTEGRATED WITH WINDOW GLASS AND BLIND

#232
20170338365
2017-11-23

PHOTOVOLTAIC DEVICES, PHOTOVOLTAIC MODULES PROVIDED THEREWITH, AND SOLAR POWER GENERATION SYSTEMS

#233
20170338356
2017-11-23

System and method for manufacturing photovoltaic structures with a metal seed layer

#234
20170317224
2017-11-02

Solar cell and method for producing same

#235
20170309761
2017-10-26

Solar cell and method for manufacturing the same

#236
20170301801
2017-10-19

Photovoltaic structures with interlocking busbars

#237
20170288070
2017-10-05

Tri-layer semiconductor stacks for patterning features on solar cells

#238
20170279000
2017-09-28

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