JP4579116B2 - パワー半導体デバイス - Google Patents
パワー半導体デバイス Download PDFInfo
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- JP4579116B2 JP4579116B2 JP2005275628A JP2005275628A JP4579116B2 JP 4579116 B2 JP4579116 B2 JP 4579116B2 JP 2005275628 A JP2005275628 A JP 2005275628A JP 2005275628 A JP2005275628 A JP 2005275628A JP 4579116 B2 JP4579116 B2 JP 4579116B2
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- 239000004065 semiconductor Substances 0.000 title claims description 135
- 150000004767 nitrides Chemical class 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 22
- 229910002704 AlGaN Inorganic materials 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 230000005533 two-dimensional electron gas Effects 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 229910052594 sapphire Inorganic materials 0.000 claims description 4
- 239000010980 sapphire Substances 0.000 claims description 4
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
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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
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
- H01L29/7789—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface the two-dimensional charge carrier gas being at least partially not parallel to a main surface of the semiconductor body
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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
- H01L29/0657—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 the shape of the body
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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
- H01L29/0684—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 the shape, relative sizes or dispositions of the semiconductor regions or junctions between the regions
- H01L29/0692—Surface layout
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
- H01L29/10—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 with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1025—Channel region of field-effect devices
- H01L29/1029—Channel region of field-effect devices of field-effect 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials 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
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66446—Unipolar field-effect transistors with an active layer made of a group 13/15 material, e.g. group 13/15 velocity modulation transistor [VMT], group 13/15 negative resistance FET [NERFET]
- H01L29/66462—Unipolar field-effect transistors with an active layer made of a group 13/15 material, e.g. group 13/15 velocity modulation transistor [VMT], group 13/15 negative resistance FET [NERFET] with a heterojunction interface channel or gate, e.g. HFET, HIGFET, SISFET, HJFET, HEMT
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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
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
- H01L29/7786—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with direct single heterostructure, i.e. with wide bandgap layer formed on top of active layer, e.g. direct single heterostructure MIS-like HEMT
- H01L29/7787—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with direct single heterostructure, i.e. with wide bandgap layer formed on top of active layer, e.g. direct single heterostructure MIS-like HEMT with wide bandgap charge-carrier supplying layer, e.g. direct single heterostructure MODFET
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- H—ELECTRICITY
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- 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
- H01L29/20—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds
- H01L29/2003—Nitride compounds
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Junction Field-Effect Transistors (AREA)
- Thin Film Transistor (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Description
8 バッファ層
10 第1半導体層
12 第2半導体層
14 2DEG層
16 第1オーム電極
18 第2オーム電極
20 ゲート電極
21 ゲート絶縁層
22 傾斜部
24 第1部分
26 第2部分
28 第3部分
30 ベース層
32 バッファ層
34 オーム接触層
36 不活性層
38 フィールドプレート
Claims (17)
- III族窒化物の第1半導体層とIII族窒化物の第2半導体層との間におけるヘテロ接合を含むヘテロ接合部であって、該ヘテロ接合部の第1部分、第2部分、及び、前記第1と第2部分との間で傾斜する第3部分において前記へテロ接合が形成されている、
ヘテロ接合部と、
前記へテロ接合部の前記第3部分において分断されている、前記ヘテロ接合において形成された2次元電子ガス層と、
前記ヘテロ接合部の前記第1部分に電気接続された第1パワー接触部と、
前記ヘテロ接合部の前記第2部分に電気接続された第2パワー接触部と、
前記ヘテロ接合部の前記第3部分に設けられたゲート接触部と
を備える高電子移動度トランジスタパワー半導体デバイス。 - 前記ゲート接触部に電圧が印加されていない時に、前記第1部分及び前記第2部分は、前記2次元電子ガス層を含み、前記第3部分は、前記2次元電子ガス層を含まない、請求項1記載のパワー半導体デバイス。
- 前記第1半導体層はGaNからなり、前記第2半導体層はAlGaNからなっている、請求項1記載のパワー半導体デバイス。
- 前記第1半導体層はInGaNからなり、前記第2半導体層はAlGaNからなっている、請求項1記載のパワー半導体デバイス。
- 前記第1半導体層はAlGaNからなり、前記第2半導体層はGaNからなっている、請求項1記載のパワー半導体デバイス。
- 前記第2半導体層上に形成されたIII族窒化物のオーム接触層をさらに備え、前記第1及び第2パワー接触部を、前記オーム接触層にオーム接続してある、請求項1記載のパワー半導体デバイス。
- 絶縁層をさらに備え、前記ゲート接触部を前記絶縁層に設けるとともに、前記第3部分に容量結合し、前記第1及び第2パワー接触部を、前記絶縁層へ貫通させてある、請求項1記載のパワー半導体デバイス。
- 前記オーム接触層上に設けられた絶縁層をさらに備え、前記ゲート接触部を前記絶縁層上に設けるとともに、前記第3部分に容量結合し、前記第1及び第2パワー接触部を、前記絶縁層へ貫通させてある、請求項6記載のパワー半導体デバイス。
- 前記ヘテロ接合部を支持スタック上に設け、前記支持スタックは、基板、前記基板上の第1のバッファ層、前記第1のバッファ層上の真性または代替可能なIII属窒化物の半導体層、及び、前記真性または代替可能な半導体層と前記ヘテロ接合部との間の第2のバッファ層を有している、請求項1記載のパワー半導体デバイス。
- 前記パワー接触部の少なくとも1つは、前記基板まで少なくとも延びている、請求項9記載のパワー半導体デバイス。
- 前記基板は、Si、SiC、サファイア、バルクIII属窒化物半導体、またはGaAsからなっている、請求項9記載のパワー半導体デバイス。
- 前記第1のバッファ層は、AlNからなっている、請求項9記載のパワー半導体デバイス。
- 前記第1及び第2半導体層は、AlGaInNの合金からなり、前記合金は、2次元電子ガス層を形成する材料となっている、請求項1記載のパワー半導体デバイス。
- 楕円形、円形または矩形である、請求項1記載のパワー半導体デバイス。
- 二重ヘテロ接合部を備えている、請求項1記載のパワー半導体デバイス。
- 前記二重ヘテロ接合部は、第3半導体層を備え、前記第1半導体層を前記第3半導体層上に設け、前記第2半導体層を前記第1半導体層上に設けてある、請求項15記載のパワー半導体デバイス。
- 前記第1半導体層は、GaNまたはInGaNからなり、前記第2半導体層及び前記第3半導体層は、AlGaNからなっている、請求項16記載のパワー半導体デバイス。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61275604P | 2004-09-24 | 2004-09-24 | |
US11/232,646 US7417267B2 (en) | 2004-09-24 | 2005-09-22 | Non-planar III-nitride power device having a lateral conduction path |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006100820A JP2006100820A (ja) | 2006-04-13 |
JP4579116B2 true JP4579116B2 (ja) | 2010-11-10 |
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Application Number | Title | Priority Date | Filing Date |
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JP2005275628A Expired - Fee Related JP4579116B2 (ja) | 2004-09-24 | 2005-09-22 | パワー半導体デバイス |
Country Status (3)
Country | Link |
---|---|
US (1) | US7417267B2 (ja) |
JP (1) | JP4579116B2 (ja) |
DE (1) | DE102005045542B4 (ja) |
Families Citing this family (28)
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US7566913B2 (en) * | 2005-12-02 | 2009-07-28 | Nitronex Corporation | Gallium nitride material devices including conductive regions and methods associated with the same |
JP5036225B2 (ja) * | 2006-06-13 | 2012-09-26 | シャープ株式会社 | ヘテロ接合電界効果型トランジスタ |
JP2008004720A (ja) * | 2006-06-22 | 2008-01-10 | Nippon Telegr & Teleph Corp <Ntt> | 窒化物半導体を用いたヘテロ構造電界効果トランジスタ |
US8338861B2 (en) * | 2007-01-10 | 2012-12-25 | International Rectifier Corporation | III-nitride semiconductor device with stepped gate trench and process for its manufacture |
US7821032B2 (en) * | 2007-01-26 | 2010-10-26 | International Rectifier Corporation | III-nitride power semiconductor device |
JP4938531B2 (ja) * | 2007-04-09 | 2012-05-23 | 株式会社豊田中央研究所 | 半導体装置 |
US8455920B2 (en) | 2007-05-23 | 2013-06-04 | International Rectifier Corporation | III-nitride heterojunction device |
JP5233174B2 (ja) * | 2007-06-08 | 2013-07-10 | サンケン電気株式会社 | 半導体装置 |
JP5245305B2 (ja) | 2007-07-06 | 2013-07-24 | サンケン電気株式会社 | 電界効果半導体装置及びその製造方法 |
JP2009032796A (ja) * | 2007-07-25 | 2009-02-12 | Rohm Co Ltd | 窒化物半導体素子および窒化物半導体素子の製造方法 |
JP2009099774A (ja) * | 2007-10-17 | 2009-05-07 | Sharp Corp | ヘテロ接合電界効果型トランジスタ |
JP2009111217A (ja) * | 2007-10-31 | 2009-05-21 | Toshiba Corp | 半導体装置 |
EP2096675B1 (en) * | 2008-02-28 | 2013-08-21 | Universität Ulm | III-V nitride semiconductor device comprising a diamond layer |
DE102009018054B4 (de) * | 2009-04-21 | 2018-11-29 | Infineon Technologies Austria Ag | Lateraler HEMT und Verfahren zur Herstellung eines lateralen HEMT |
US7999287B2 (en) | 2009-10-26 | 2011-08-16 | Infineon Technologies Austria Ag | Lateral HEMT and method for the production of a lateral HEMT |
JP5569450B2 (ja) * | 2011-03-29 | 2014-08-13 | 住友電気工業株式会社 | 半導体装置およびその製造方法 |
CN103582938A (zh) * | 2011-06-03 | 2014-02-12 | 住友电气工业株式会社 | 氮化物电子器件、氮化物电子器件的制作方法 |
JP5653326B2 (ja) * | 2011-09-12 | 2015-01-14 | 株式会社東芝 | 窒化物半導体装置 |
US9024356B2 (en) | 2011-12-20 | 2015-05-05 | Infineon Technologies Austria Ag | Compound semiconductor device with buried field plate |
US9525054B2 (en) * | 2013-01-04 | 2016-12-20 | Taiwan Semiconductor Manufacturing Company, Ltd. | High electron mobility transistor and method of forming the same |
CN104051514B (zh) | 2013-03-13 | 2017-01-11 | 中央大学 | 半导体装置与其制造方法 |
US9728630B2 (en) * | 2014-09-05 | 2017-08-08 | Infineon Technologies Austria Ag | High-electron-mobility transistor having a buried field plate |
US10090406B2 (en) | 2014-09-18 | 2018-10-02 | Infineon Technologies Austria Ag | Non-planar normally off compound semiconductor device |
TWI662700B (zh) * | 2015-08-28 | 2019-06-11 | 晶元光電股份有限公司 | 半導體單元 |
US9941384B2 (en) | 2015-08-29 | 2018-04-10 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor device and method for fabricating the same |
JP6734241B2 (ja) * | 2017-09-19 | 2020-08-05 | 株式会社東芝 | 半導体装置及びその製造方法 |
JP2019169572A (ja) * | 2018-03-22 | 2019-10-03 | 株式会社東芝 | 半導体装置及びその製造方法 |
US10756207B2 (en) * | 2018-10-12 | 2020-08-25 | Transphorm Technology, Inc. | Lateral III-nitride devices including a vertical gate module |
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2005
- 2005-09-22 JP JP2005275628A patent/JP4579116B2/ja not_active Expired - Fee Related
- 2005-09-22 US US11/232,646 patent/US7417267B2/en active Active
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Patent Citations (6)
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JPS6189674A (ja) * | 1984-10-09 | 1986-05-07 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
JPH02266514A (ja) * | 1989-03-10 | 1990-10-31 | Internatl Business Mach Corp <Ibm> | ヘテロ構造の半導体デバイス及びその製造方法 |
JPH04333242A (ja) * | 1991-05-08 | 1992-11-20 | Hitachi Ltd | 電界効果トランジスタ |
JPH07245315A (ja) * | 1994-03-04 | 1995-09-19 | Fujitsu Ltd | 半導体装置の製造方法 |
JP2000021897A (ja) * | 1998-06-29 | 2000-01-21 | Toshiba Corp | 電界効果トランジスタおよびその製造方法 |
WO2002093650A1 (en) * | 2001-05-11 | 2002-11-21 | Cree, Inc. | Group-iii nitride based high electron mobility transistor (hemt) with barrier/spacer layer |
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DE102005045542A1 (de) | 2006-05-11 |
DE102005045542B4 (de) | 2008-04-30 |
JP2006100820A (ja) | 2006-04-13 |
US7417267B2 (en) | 2008-08-26 |
US20060065912A1 (en) | 2006-03-30 |
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