IN2014CH03234A - - Google Patents
Info
- Publication number
- IN2014CH03234A IN2014CH03234A IN3234CH2014A IN2014CH03234A IN 2014CH03234 A IN2014CH03234 A IN 2014CH03234A IN 3234CH2014 A IN3234CH2014 A IN 3234CH2014A IN 2014CH03234 A IN2014CH03234 A IN 2014CH03234A
- Authority
- IN
- India
- Prior art keywords
- semiconductor layer
- presented
- dopant type
- semiconductor
- region
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 abstract 6
- 238000002513 implantation Methods 0.000 abstract 3
- 239000002019 doping agent Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract 1
- 229910010271 silicon carbide Inorganic materials 0.000 abstract 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0603—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
- H01L29/0619—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE] with a supplementary region doped oppositely to or in rectifying contact with the semiconductor containing or contacting region, e.g. guard rings with PN or Schottky junction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/0445—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising crystalline silicon carbide
- H01L21/0455—Making n or p doped regions or layers, e.g. using diffusion
- H01L21/046—Making n or p doped regions or layers, e.g. using diffusion using ion implantation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/0445—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising crystalline silicon carbide
- H01L21/0455—Making n or p doped regions or layers, e.g. using diffusion
- H01L21/046—Making n or p doped regions or layers, e.g. using diffusion using ion implantation
- H01L21/0465—Making n or p doped regions or layers, e.g. using diffusion using ion implantation using masks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0603—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/16—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic Table
- H01L29/1608—Silicon carbide
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66053—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide
- H01L29/66068—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]
- H01L29/7393—Insulated gate bipolar mode transistors, i.e. IGBT; IGT; COMFET
- H01L29/7395—Vertical transistors, e.g. vertical IGBT
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7811—Vertical DMOS transistors, i.e. VDMOS transistors with an edge termination structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7827—Vertical transistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/70—Bipolar devices
- H01L29/74—Thyristor-type devices, e.g. having four-zone regenerative action
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
- Recrystallisation Techniques (AREA)
- Bipolar Transistors (AREA)
- Thyristors (AREA)
Abstract
A method of manufacturing a semiconductor device is presented. The method includes providing a semiconductor layer comprising silicon carbide, wherein the semiconductor layer comprises a first region doped with a first dopant type. The method further includes implanting the semiconductor layer with a second dopant type using a single implantation mask and a substantially similar implantation dose to form a second region and a junction termination extension (JTE) in the semiconductor layer, wherein the implantation dose is in a range from about 2 x 10 cm' to about 12 x 10 cm' . Semiconductor devices are also presented.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/933,366 US10347489B2 (en) | 2013-07-02 | 2013-07-02 | Semiconductor devices and methods of manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014CH03234A true IN2014CH03234A (en) | 2015-09-18 |
Family
ID=51410409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN3234CH2014 IN2014CH03234A (en) | 2013-07-02 | 2014-07-01 |
Country Status (8)
Country | Link |
---|---|
US (1) | US10347489B2 (en) |
JP (1) | JP6812087B2 (en) |
CN (1) | CN104282537B (en) |
BR (1) | BR102014016375A2 (en) |
CA (1) | CA2855304C (en) |
FR (1) | FR3008226B1 (en) |
GB (1) | GB2517285B (en) |
IN (1) | IN2014CH03234A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10431654B2 (en) * | 2015-06-25 | 2019-10-01 | International Business Machines Corporation | Extrinsic base doping for bipolar junction transistors |
JP6809330B2 (en) * | 2017-03-28 | 2021-01-06 | 豊田合成株式会社 | Manufacturing method of semiconductor devices |
DE102018103550B4 (en) * | 2018-02-16 | 2021-08-12 | Infineon Technologies Ag | SEMICONDUCTOR DEVICE WITH A SEMICONDUCTOR BODY MADE OF SILICON CARBIDE |
CN111584623A (en) * | 2020-06-02 | 2020-08-25 | 吉林华微电子股份有限公司 | Bipolar junction transistor device, manufacturing method thereof and electronic product |
DE112020007759T5 (en) * | 2020-11-06 | 2023-08-17 | Hitachi Energy Switzerland Ag | POWER SEMICONDUCTOR DEVICE AND METHOD OF OPERATION |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
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GB2131603B (en) | 1982-12-03 | 1985-12-18 | Philips Electronic Associated | Semiconductor devices |
US6002159A (en) | 1996-07-16 | 1999-12-14 | Abb Research Ltd. | SiC semiconductor device comprising a pn junction with a voltage absorbing edge |
US6956238B2 (en) | 2000-10-03 | 2005-10-18 | Cree, Inc. | Silicon carbide power metal-oxide semiconductor field effect transistors having a shorting channel and methods of fabricating silicon carbide metal-oxide semiconductor field effect transistors having a shorting channel |
US7033950B2 (en) | 2001-12-19 | 2006-04-25 | Auburn University | Graded junction termination extensions for electronic devices |
US9515135B2 (en) | 2003-01-15 | 2016-12-06 | Cree, Inc. | Edge termination structures for silicon carbide devices |
US6927153B2 (en) | 2003-02-25 | 2005-08-09 | Xerox Corporation | Ion implantation with multiple concentration levels |
US7638841B2 (en) | 2003-05-20 | 2009-12-29 | Fairchild Semiconductor Corporation | Power semiconductor devices and methods of manufacture |
JP2008010506A (en) | 2006-06-27 | 2008-01-17 | Matsushita Electric Ind Co Ltd | Semiconductor device |
US8377812B2 (en) | 2006-11-06 | 2013-02-19 | General Electric Company | SiC MOSFETs and self-aligned fabrication methods thereof |
US20090227095A1 (en) * | 2008-03-05 | 2009-09-10 | Nicholas Bateman | Counterdoping for solar cells |
US8564088B2 (en) * | 2008-08-19 | 2013-10-22 | Infineon Technologies Austria Ag | Semiconductor device having variably laterally doped zone with decreasing concentration formed in an edge region |
US7800196B2 (en) | 2008-09-30 | 2010-09-21 | Northrop Grumman Systems Corporation | Semiconductor structure with an electric field stop layer for improved edge termination capability |
US8637386B2 (en) * | 2009-05-12 | 2014-01-28 | Cree, Inc. | Diffused junction termination structures for silicon carbide devices and methods of fabricating silicon carbide devices incorporating same |
JP5601849B2 (en) * | 2010-02-09 | 2014-10-08 | 三菱電機株式会社 | Method for manufacturing silicon carbide semiconductor device |
JP2012064873A (en) * | 2010-09-17 | 2012-03-29 | Rohm Co Ltd | Semiconductor device and method of manufacturing the same |
WO2012056705A1 (en) * | 2010-10-29 | 2012-05-03 | パナソニック株式会社 | Semiconductor element and manufacturing method therefor |
JP5787655B2 (en) | 2010-11-26 | 2015-09-30 | 三菱電機株式会社 | Silicon carbide semiconductor device and manufacturing method thereof |
WO2012137659A1 (en) | 2011-04-04 | 2012-10-11 | 三菱電機株式会社 | Semiconductor device and method for manufacturing same |
US9318623B2 (en) | 2011-04-05 | 2016-04-19 | Cree, Inc. | Recessed termination structures and methods of fabricating electronic devices including recessed termination structures |
JP5845714B2 (en) | 2011-08-19 | 2016-01-20 | 住友電気工業株式会社 | Method for manufacturing silicon carbide semiconductor device |
CN103189984A (en) | 2011-10-26 | 2013-07-03 | 丰田自动车株式会社 | Semiconductor device |
WO2013173414A1 (en) | 2012-05-17 | 2013-11-21 | General Electric Company | Semiconductor device with junction termination extension |
US8901639B2 (en) * | 2012-07-26 | 2014-12-02 | Cree, Inc. | Monolithic bidirectional silicon carbide switching devices |
JP2014138048A (en) * | 2013-01-16 | 2014-07-28 | Sumitomo Electric Ind Ltd | Silicon carbide semiconductor device |
US9035395B2 (en) * | 2013-04-04 | 2015-05-19 | Monolith Semiconductor, Inc. | Semiconductor devices comprising getter layers and methods of making and using the same |
US9224816B2 (en) * | 2014-05-21 | 2015-12-29 | Sumitomo Electric Industries, Ltd. | Silicon carbide semiconductor device |
-
2013
- 2013-07-02 US US13/933,366 patent/US10347489B2/en active Active
-
2014
- 2014-06-27 CA CA2855304A patent/CA2855304C/en active Active
- 2014-07-01 GB GB1411664.4A patent/GB2517285B/en active Active
- 2014-07-01 FR FR1456252A patent/FR3008226B1/en active Active
- 2014-07-01 JP JP2014135589A patent/JP6812087B2/en active Active
- 2014-07-01 IN IN3234CH2014 patent/IN2014CH03234A/en unknown
- 2014-07-01 BR BR102014016375A patent/BR102014016375A2/en not_active Application Discontinuation
- 2014-07-02 CN CN201410476272.9A patent/CN104282537B/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10347489B2 (en) | 2019-07-09 |
US20150008446A1 (en) | 2015-01-08 |
GB2517285A (en) | 2015-02-18 |
CA2855304C (en) | 2021-09-28 |
FR3008226B1 (en) | 2019-05-31 |
CN104282537B (en) | 2020-10-09 |
FR3008226A1 (en) | 2015-01-09 |
CN104282537A (en) | 2015-01-14 |
JP2015015468A (en) | 2015-01-22 |
JP6812087B2 (en) | 2021-01-13 |
BR102014016375A2 (en) | 2016-05-31 |
GB201411664D0 (en) | 2014-08-13 |
CA2855304A1 (en) | 2015-01-02 |
GB2517285B (en) | 2017-03-29 |
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