JP7226222B2 - ガス供給装置及びガス供給方法 - Google Patents
ガス供給装置及びガス供給方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 41
- 239000007789 gas Substances 0.000 claims description 343
- 238000012545 processing Methods 0.000 claims description 173
- 239000002994 raw material Substances 0.000 claims description 52
- 239000012159 carrier gas Substances 0.000 claims description 43
- 239000007787 solid Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 description 36
- 235000012431 wafers Nutrition 0.000 description 34
- 238000012360 testing method Methods 0.000 description 27
- 238000011144 upstream manufacturing Methods 0.000 description 22
- 238000011156 evaluation Methods 0.000 description 20
- 238000001514 detection method Methods 0.000 description 17
- 230000007246 mechanism Effects 0.000 description 17
- 239000003085 diluting agent Substances 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 15
- 238000010926 purge Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 238000000231 atomic layer deposition Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- KPGXUAIFQMJJFB-UHFFFAOYSA-H tungsten hexachloride Chemical compound Cl[W](Cl)(Cl)(Cl)(Cl)Cl KPGXUAIFQMJJFB-UHFFFAOYSA-H 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- NQZFAUXPNWSLBI-UHFFFAOYSA-N carbon monoxide;ruthenium Chemical group [Ru].[Ru].[Ru].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-] NQZFAUXPNWSLBI-UHFFFAOYSA-N 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001590 oxidative effect Effects 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
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- OEIMLTQPLAGXMX-UHFFFAOYSA-I tantalum(v) chloride Chemical compound Cl[Ta](Cl)(Cl)(Cl)Cl OEIMLTQPLAGXMX-UHFFFAOYSA-I 0.000 description 1
- HSXKFDGTKKAEHL-UHFFFAOYSA-N tantalum(v) ethoxide Chemical compound [Ta+5].CC[O-].CC[O-].CC[O-].CC[O-].CC[O-] HSXKFDGTKKAEHL-UHFFFAOYSA-N 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- WIDQNNDDTXUPAN-UHFFFAOYSA-I tungsten(v) chloride Chemical compound Cl[W](Cl)(Cl)(Cl)Cl WIDQNNDDTXUPAN-UHFFFAOYSA-I 0.000 description 1
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- C—CHEMISTRY; METALLURGY
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45544—Atomic layer deposition [ALD] characterized by the apparatus
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/06—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material
- C23C16/08—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material from metal halides
- C23C16/14—Deposition of only one other metal element
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/448—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials
- C23C16/4481—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials by evaporation using carrier gas in contact with the source material
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- C—CHEMISTRY; METALLURGY
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45557—Pulsed pressure or control pressure
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45561—Gas plumbing upstream of the reaction chamber
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/52—Controlling or regulating the coating process
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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
- H01L21/02104—Forming layers
- H01L21/02697—Forming conducting materials on a substrate
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- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical Vapour Deposition (AREA)
Description
液体または固体の原料を収容する原料容器と、
前記原料容器内にキャリアガスを供給するためのキャリアガス供給部と、
前記原料容器から、気化した前記原料と前記キャリアガスとを含む前記処理ガスを、前記処理容器に供給するガス供給路と、
前記処理ガスの流量を測定するために前記ガス供給路に設けられる流量計と、
前記ガス供給路において前記流量計の下流側に設けられ、当該ガス供給路における前記流量計との間の圧力の平均値を上昇させるために狭窄された流路と、
を備え、
前記ガス供給路において、前記狭窄された流路の下流側に、前記処理ガスの処理容器への給断を行うバルブが設けられ、
前記ガス供給路において前記流量計の下流側に前記処理ガスを一時的に貯留するためのガス貯留部が設けられ、
前記狭窄された流路は、前記バルブと、当該ガス貯留部との間に設けられる。
続いて本技術に関連して行われた評価試験について説明する。
評価試験1
評価試験1として、図1で説明した成膜装置1を用いて既述の成膜処理時と同様にバルブV1を繰り返し開閉すると共に、処理容器11に処理ガスを供給した。その間にMFM56から出力される検出信号を取得して、検出される流量をモニターした。つまり、処理ガス供給管52にオリフィス55を設けた状態で流量の検出を行った。また、比較試験1として、処理ガス供給管52にオリフィス55が設けられないことを除いては、評価試験1と同様の条件で流量の検出を行った。
評価試験2として、評価試験1と同様に処理ガス供給管52にオリフィス55が設けられた状態で、バルブV1を繰り返し開閉すると共に、処理容器11に処理ガスを供給した。互いに同じ条件でこの処理ガスの供給を5回行い、各回における原料ガスの流量の算出値の推移を調べた。また、比較試験2として、処理ガス供給管52にオリフィス55が設けられないことを除いては、評価試験2と同様の試験を行った。
10 制御部
11 処理容器
4 ガス供給機構
42 原料容器
52 処理ガス供給管
55 オリフィス
56 MFM
Claims (4)
- 基板を格納する処理容器に処理ガスを供給して処理を行うガス供給装置において、
液体または固体の原料を収容する原料容器と、
前記原料容器内にキャリアガスを供給するためのキャリアガス供給部と、
前記原料容器から、気化した前記原料と前記キャリアガスとを含む前記処理ガスを、前記処理容器に供給するガス供給路と、
前記処理ガスの流量を測定するために前記ガス供給路に設けられる流量計と、
前記ガス供給路において前記流量計の下流側に設けられ、当該ガス供給路における前記流量計との間の圧力の平均値を上昇させるために狭窄された流路と、
を備え、
前記ガス供給路において、前記狭窄された流路の下流側に、前記処理ガスの処理容器への給断を行うバルブが設けられ、
前記ガス供給路において前記流量計の下流側に前記処理ガスを一時的に貯留するためのガス貯留部が設けられ、
前記狭窄された流路は、前記バルブと、当該ガス貯留部との間に設けられるガス供給装置。 - 前記狭窄された流路はオリフィスである請求項1記載のガス供給装置。
- 前記処理ガスは、前記基板に成膜を行うための成膜ガスである請求項1または2記載のガス供給装置。
- 基板を格納する処理容器に処理ガスを供給して処理を行うガス供給方法において、
液体または固体の原料を収容する原料容器にキャリアガスを供給する工程と、
前記原料容器から、気化した前記原料と前記キャリアガスとを含む前記処理ガスについて、ガス供給路を通流させて前記処理容器に供給する工程と、
前記ガス供給路に設けられる流量計により、前記処理ガスの流量を測定する工程と、
を備え、
前記ガス供給路において前記流量計の下流側には、当該ガス供給路における前記流量計との間の圧力の平均値を上昇させるために狭窄された流路が設けられ、
前記ガス供給路において、前記狭窄された流路の下流側に設けられるバルブにより、前記処理ガスの処理容器への給断を行う工程と、
前記ガス供給路において前記流量計の下流側に設けられるガス貯留部に前記処理ガスを一時的に貯留する工程と、を備え、
前記狭窄された流路は、前記バルブと、当該ガス貯留部との間に設けられるガス供給方法。
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JP2019173173A JP7226222B2 (ja) | 2019-09-24 | 2019-09-24 | ガス供給装置及びガス供給方法 |
US17/753,886 US20220356581A1 (en) | 2019-09-24 | 2020-09-16 | Gas supply device and gas supply method |
KR1020227011893A KR20220061201A (ko) | 2019-09-24 | 2020-09-16 | 가스 공급 장치 및 가스 공급 방법 |
PCT/JP2020/035136 WO2021060116A1 (ja) | 2019-09-24 | 2020-09-16 | ガス供給装置及びガス供給方法 |
CN202080064090.4A CN114375347A (zh) | 2019-09-24 | 2020-09-16 | 气体供给装置和气体供给方法 |
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JP7577092B2 (ja) | 2022-06-28 | 2024-11-01 | 株式会社Kokusai Electric | 基板処理装置、半導体装置の製造方法及びプログラム |
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JP2018145458A (ja) | 2017-03-02 | 2018-09-20 | 東京エレクトロン株式会社 | ガス供給装置、ガス供給方法及び成膜方法 |
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JPH04214870A (ja) * | 1990-05-08 | 1992-08-05 | Nec Corp | 化学気相成長装置 |
WO2000065127A1 (en) * | 1999-04-27 | 2000-11-02 | Tokyo Electron Limited | Apparatus and method for delivery of vapor to a cvd chamber |
JP2003271218A (ja) * | 2002-03-15 | 2003-09-26 | Toshiba Corp | 半導体製造装置、半導体製造システム及び基板処理方法 |
JP3822135B2 (ja) * | 2002-05-13 | 2006-09-13 | 日本パイオニクス株式会社 | 気化供給装置 |
JP3908625B2 (ja) * | 2002-07-30 | 2007-04-25 | 東京エレクトロン株式会社 | 基板処理装置 |
JP4195837B2 (ja) * | 2003-06-20 | 2008-12-17 | 東京エレクトロン株式会社 | ガス分流供給装置及びガス分流供給方法 |
JP5461786B2 (ja) * | 2008-04-01 | 2014-04-02 | 株式会社フジキン | 気化器を備えたガス供給装置 |
JP5652960B2 (ja) * | 2011-08-01 | 2015-01-14 | 株式会社フジキン | 原料気化供給装置 |
JP5895712B2 (ja) * | 2012-05-31 | 2016-03-30 | 東京エレクトロン株式会社 | 原料ガス供給装置、成膜装置、原料ガスの供給方法及び記憶媒体 |
JP6446881B2 (ja) * | 2014-07-17 | 2019-01-09 | 東京エレクトロン株式会社 | ガス供給装置及びバルブ装置 |
JP6748586B2 (ja) * | 2016-07-11 | 2020-09-02 | 東京エレクトロン株式会社 | ガス供給システム、基板処理システム及びガス供給方法 |
JP6948803B2 (ja) * | 2017-03-02 | 2021-10-13 | 東京エレクトロン株式会社 | ガス供給装置、ガス供給方法及び成膜方法 |
JP7122102B2 (ja) * | 2017-11-08 | 2022-08-19 | 東京エレクトロン株式会社 | ガス供給システム及びガス供給方法 |
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