JP5781944B2 - スレッショルド調節半導体合金を堆積させるのに先立ちパターニング不均一性を低減することによる前記半導体合金の厚みばらつきの低減 - Google Patents
スレッショルド調節半導体合金を堆積させるのに先立ちパターニング不均一性を低減することによる前記半導体合金の厚みばらつきの低減 Download PDFInfo
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- 229910045601 alloy Inorganic materials 0.000 title claims description 33
- 239000000956 alloy Substances 0.000 title claims description 33
- 238000000151 deposition Methods 0.000 title description 15
- 238000000059 patterning Methods 0.000 title description 8
- 238000000034 method Methods 0.000 claims description 97
- 239000000463 material Substances 0.000 claims description 67
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 63
- 239000010703 silicon Substances 0.000 claims description 63
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- 229910052710 silicon Inorganic materials 0.000 claims description 40
- 238000005530 etching Methods 0.000 claims description 35
- 238000002955 isolation Methods 0.000 claims description 33
- 229910000927 Ge alloy Inorganic materials 0.000 claims description 21
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- 239000002184 metal Substances 0.000 claims description 18
- 239000007772 electrode material Substances 0.000 claims description 17
- 230000008021 deposition Effects 0.000 claims description 14
- 239000003989 dielectric material Substances 0.000 claims description 12
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 9
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 9
- 238000003631 wet chemical etching Methods 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 8
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 7
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 46
- 238000004519 manufacturing process Methods 0.000 description 29
- 239000000377 silicon dioxide Substances 0.000 description 23
- 235000012239 silicon dioxide Nutrition 0.000 description 23
- 239000002019 doping agent Substances 0.000 description 13
- 230000001965 increasing effect Effects 0.000 description 11
- 238000012876 topography Methods 0.000 description 11
- 239000000758 substrate Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 7
- 230000005669 field effect Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052732 germanium Inorganic materials 0.000 description 5
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 5
- 239000002210 silicon-based material Substances 0.000 description 5
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 4
- 229910010271 silicon carbide Inorganic materials 0.000 description 4
- 239000002800 charge carrier Substances 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
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- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
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- 239000011737 fluorine Substances 0.000 description 2
- 125000001475 halogen functional group Chemical group 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
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- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910004129 HfSiO Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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- 239000003990 capacitor Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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- 230000002708 enhancing effect Effects 0.000 description 1
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- PWYYWQHXAPXYMF-UHFFFAOYSA-N strontium(2+) Chemical compound [Sr+2] PWYYWQHXAPXYMF-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823462—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate insulating layers, e.g. different gate insulating layer thicknesses, particular gate insulator materials or particular gate insulator implants
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- H—ELECTRICITY
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- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823481—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type isolation region manufacturing related aspects, e.g. to avoid interaction of isolation region with adjacent structure
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- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/84—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being other than a semiconductor body, e.g. being an insulating body
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1203—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body the substrate comprising an insulating body on a semiconductor body, e.g. SOI
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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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823418—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the source or drain structures, e.g. specific source or drain implants or silicided source or drain structures or raised source or drain structures
- H01L21/823425—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the source or drain structures, e.g. specific source or drain implants or silicided source or drain structures or raised source or drain structures manufacturing common source or drain regions between a plurality of conductor-insulator-semiconductor structures
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- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Thin Film Transistor (AREA)
- Recrystallisation Techniques (AREA)
Description
Claims (18)
- 分離領域によって横方向に分離されている第1のシリコン含有結晶性半導体領域及び第2のシリコン含有結晶性半導体領域の上方上にマスク層を形成することと、
前記第1のシリコン含有結晶性半導体領域の上方から選択的に前記マスク層を除去する一方で前記第2のシリコン含有結晶性半導体領域の上方上には前記マスク層を維持することと、
前記第1のシリコン含有結晶性半導体領域の上方から選択的に前記マスク層を除去した後に、前記第1のシリコン含有結晶性半導体領域の高さと前記分離領域の高さとの差異を減少させることと、
前記第1のシリコン含有結晶性半導体領域の高さと前記分離領域の高さとの差異を減少させた後に、前記第1のシリコン含有結晶性半導体領域上に選択的にスレッショルド調節半導体合金を形成することと、
前記スレッショルド調節半導体合金の上方に第1のトランジスタの第1のゲート電極構造を形成することと、
前記第2のシリコン含有結晶性半導体領域の上方に第2のトランジスタの第2のゲート電極構造を形成することとを備えた方法。 - 前記第1及び第2のゲート電極構造を形成することは、高k誘電体ゲート絶縁層を形成することと、前記高k誘電体ゲート絶縁層上に金属含有電極材質を形成することとを備えている請求項1の方法。
- 前記マスク層を形成することはシリコン窒化物層を形成することを備えている請求項1の方法。
- 前記第1のシリコン含有結晶性半導体領域から選択的に前記マスク層を除去することはプラズマ支援エッチングプロセスを実行することを備えている請求項1の方法。
- 前記第1のシリコン含有結晶性半導体領域の厚みは、前記第1のシリコン含有結晶性半導体領域の高さと前記分離領域の高さとの差異を減少させるために、前記プラズマ支援エッチングプロセスの間に減少させられ沈まされる請求項4の方法。
- 前記第1のシリコン含有結晶性半導体領域から選択的に前記マスク層を除去することの後にウエット化学的エッチングプロセスを実行することを更に備えた請求項3の方法。
- 前記マスク層を選択的に除去するために用いられたレジストマスクを除去することを更に備えた請求項6の方法。
- 前記第1のシリコン含有結晶性半導体領域の厚みは、前記第1のシリコン含有結晶性半導体領域の高さと前記分離領域の高さとの差異を減少させるために、前記ウエット化学的エッチングプロセスに基いて減少させられ沈まされる請求項6の方法。
- 前記ウエット化学的エッチングプロセスを実行することはテトラメチルアンモニウムヒドロキシド(TMAH)を用いることを備えている請求項8の方法。
- 前記スレッショルド調節半導体合金を形成することは、前記分離領域上及び前記第2のシリコン含有結晶性半導体領域の上方に形成される前記マスク層上の材質堆積を抑制するように選択的エピタキシャル成長プロセスを実行することを備えている請求項1の方法。
- 前記スレッショルド調節半導体合金はシリコン/ゲルマニウム合金を備えている請求項10の方法。
- 分離構造によって横方向に包囲される第1の能動半導体領域の上方にマスク層を形成することと、前記マスク層を第2の能動半導体領域の上方で維持する一方で前記第1の能動半導体領域から前記マスク層を選択的に除去して、前記第1の能動半導体領域の表面を露出させることと、
前記第1の能動半導体領域の表面を露出させた後に、前記分離構造の表面より上方に拡がる前記第1の能動半導体領域の材質を除去するために前記第1の能動半導体領域の高さと前記分離構造の高さとの差異を減少させることであって、前記露出させられた表面の任意の露出させられた表面区域が同一の結晶方位を有することと、
前記第1の能動半導体領域の高さと前記分離構造の高さとの差異を減少させた後に、選択的エピタキシャル成長プロセスを実行することによって、前記露出させられた表面上にスレッショルド調節半導体材質を形成することと、
トランジスタのゲート電極構造であって高k誘電体材質及び前記高k誘電体材質上に形成される金属含有電極材質を備えているゲート電極構造を前記スレッショルド調節半導体材質上に形成することとを備えた方法。 - 前記第1の能動半導体領域の材質を除去することはプラズマ支援エッチングプロセスを実行することを備えている請求項12の方法。
- 前記マスク層はシリコン窒化物を備えている請求項12の方法。
- 前記マスク層は10ナノメートル(nm)以下の厚みで形成される請求項12の方法。
- 前記第1の能動半導体領域の材質を除去するためにウエット化学的エッチングプロセスを実行することを更に備えた請求項12の方法。
- 前記ウエット化学的エッチングプロセスはフッ酸(HF)に基いて実行される請求項16の方法。
- 前記スレッショルド調節半導体材質はシリコン/ゲルマニウム合金を備えている請求項12の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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DE102009006886.4 | 2009-01-30 | ||
DE102009006886A DE102009006886B4 (de) | 2009-01-30 | 2009-01-30 | Verringerung von Dickenschwankungen einer schwellwerteinstellenden Halbleiterlegierung durch Verringern der Strukturierungsungleichmäßigkeiten vor dem Abscheiden der Halbleiterlegierung |
US12/693,227 US8361858B2 (en) | 2009-01-30 | 2010-01-25 | Reduction of thickness variations of a threshold semiconductor alloy by reducing patterning non-uniformities prior to depositing the semiconductor alloy |
US12/693,227 | 2010-01-25 | ||
PCT/EP2010/000490 WO2010086152A1 (en) | 2009-01-30 | 2010-01-27 | Reduction of thickness variations of a threshold adjusting semiconductor alloy by reducing patterning non-uniformities prior to depositing the semiconductor alloy |
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JP2012516555A JP2012516555A (ja) | 2012-07-19 |
JP2012516555A5 JP2012516555A5 (ja) | 2013-03-07 |
JP5781944B2 true JP5781944B2 (ja) | 2015-09-24 |
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US (2) | US8361858B2 (ja) |
JP (1) | JP5781944B2 (ja) |
KR (1) | KR101587200B1 (ja) |
CN (1) | CN102388451B (ja) |
DE (1) | DE102009006886B4 (ja) |
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KR101587200B1 (ko) | 2016-02-02 |
US20100193881A1 (en) | 2010-08-05 |
DE102009006886B4 (de) | 2012-12-06 |
US20130161695A1 (en) | 2013-06-27 |
CN102388451B (zh) | 2015-07-15 |
US8361858B2 (en) | 2013-01-29 |
CN102388451A (zh) | 2012-03-21 |
JP2012516555A (ja) | 2012-07-19 |
DE102009006886A1 (de) | 2010-08-19 |
KR20110113647A (ko) | 2011-10-17 |
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