JP2013243346A - 永久磁石を製造するために、化学蒸着法によって金属粉末を被覆する方法 - Google Patents
永久磁石を製造するために、化学蒸着法によって金属粉末を被覆する方法 Download PDFInfo
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- JP2013243346A JP2013243346A JP2013075897A JP2013075897A JP2013243346A JP 2013243346 A JP2013243346 A JP 2013243346A JP 2013075897 A JP2013075897 A JP 2013075897A JP 2013075897 A JP2013075897 A JP 2013075897A JP 2013243346 A JP2013243346 A JP 2013243346A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/17—Metallic particles coated with metal
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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
- C23C16/44—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
- C23C16/4417—Methods specially adapted for coating powder
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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
- C23C16/44—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
- C23C16/48—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 by irradiation, e.g. photolysis, radiolysis, particle radiation
- C23C16/483—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 by irradiation, e.g. photolysis, radiolysis, particle radiation using coherent light, UV to IR, e.g. lasers
-
- 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
- C23C16/44—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
- C23C16/50—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 using electric discharges
- C23C16/511—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 using electric discharges using microwave discharges
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0293—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
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- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
【解決手段】永久磁石の製造方法は、粉末を金属含有蒸気と接触させて、粉末に被覆を形成する工程を含む。合金粉末は、ネオジム、鉄およびホウ素を含有する。金属含有蒸気は、ジスプロシウム、テルビウム、鉄、および、それらの合金からなる群から選択される成分を含む。永久磁石は、圧縮、焼結、および、これに続いて行われる熱処理によって、被覆粉末から形成される。
【選択図】図1
Description
2DyCl3+3H2→2Dy+6HCl
2DyCl3→2Dy+3Cl2
DyCl2→Dy+Cl2
2DyF3+3H2→2Dy+6HF
Dy2S3→2Dy+3S2
Dy2(CO3)3+6HCl(aq)→2DyCl3(aq)+3CO2(g)+3H2O
硫酸ジスプロシウムDy2(SO4)3に同様の反応を適用できるということは理解されよう。
12…金属含有蒸気
14…被覆粉末
16…被覆
18…永久磁石
19…金型
20…CVD蒸着システム
22…チャンバ
24…ガス反応領域
26…ガス移送システム
30…マイクロ波システム
32…マグネトロン
34…サーキュレータ
36…電源
38…マイクロ波供給部
40…短絡スライド
42…反応性プラズマ
44,46,48,50…磁石
52…金属含有ガス
54…合金粉末
60…ヒータ
62…水冷ジャケット
64…真空システム
70…蒸着システム
72…蒸着チャンバ
74…ガス移送システム
75…ミラー
76…入口ノズル
77…ウィンドウ
80…合金粉末(図4)
80…光源(図3)
82…合金粉末
84…ヒータ
86…真空システム
90…光ビーム
92…被覆粉末
Claims (20)
- 磁石の製造方法であって、
ネオジム、鉄およびホウ素を含む粉末を、ジスプロシウム、テルビウム、鉄、および、それらの合金からなる群から選択される金属含有蒸気と接触させて、被覆粉末を形成する工程と、
前記被覆粉末から永久磁石を形成する工程と
を備える方法。 - 請求項1に記載の方法であって、
前記永久磁石は、ジスプロシウムおよびテルビウムの少なくとも一方を約0.01重量%ないし約8重量%含有する
方法。 - 請求項1に記載の方法であって、
前記金属含有蒸気は、加熱される
方法。 - 請求項1に記載の方法であって、
前記金属含有蒸気は、プラズマと接触して、前記粉末を被覆させる
方法。 - 請求項4に記載の方法であって、
前記プラズマは、前記粉末を被覆させるために、マイクロ波または高周波の照射によって発生される
方法。 - 請求項1に記載の方法であって、
前記金属含有蒸気は、光と接触して、前記粉末を被覆させる
方法。 - 請求項6に記載の方法であって、
前記金属含有蒸気は、紫外線と接触して、前記粉末を被覆させる
方法。 - 請求項6に記載の方法であって、
前記金属含有蒸気は、加熱される
方法。 - 請求項1に記載の方法であって、
前記金属含有蒸気は、DyCl3、TbCl3、DyBr3、TbBr3、DyI3、TbI3、DyF3、Dy2S3、TbF3、Tb2S3、Dy(2,2,6,6−テトラメチル−3,5−ヘプタンジオン)3、Tb(2,2,6,6−テトラメチル−3,5−ヘプタンジオン)3、π−アレーンDy錯体およびπ−アレーンTb錯体からなる群から選択される成分を含む
方法。 - 請求項1に記載の方法であって、
前記金属含有蒸気は、水素と接触する
方法。 - 請求項1に記載の方法であって、
前記被覆の厚さは、約10nmないし約1000μmである
方法。 - 請求項1に記載の方法であって、
前記永久磁石は、粉末冶金プロセスを使用して形成される
方法。 - 請求項1に記載の方法であって、
前記永久磁石は、焼結によって形成される
方法。 - 請求項13に記載の方法であって、
前記被覆粉末は、該被覆粉末を金型内に配置することによって賦形される
方法。 - 請求項13に記載の方法であって、
前記被覆粉末は、賦形中に磁界の作用下でプレスされ、より高い密度が要求される場合には、静圧プレスまたは衝撃圧縮が施される
方法。 - 請求項1に記載の方法であって、
前記粉末は、被覆前に水素粉砕される
方法。 - 磁石の製造方法であって、
ネオジム、鉄およびホウ素を含む粉末を、ジスプロシウム、テルビウム、鉄、および、それらの合金からなる群から選択される金属含有蒸気と接触させる工程と、
前記粉末および前記金属含有蒸気の少なくとも一方に光を照射して、被覆粉末を形成する工程と、
前記被覆粉末から永久磁石を形成する工程と
を備える方法。 - 請求項17に記載の方法であって、
前記金属含有蒸気は、DyCl3、TbCl3、DyBr3、TbBr3、DyI3、TbI3、DyF3、Dy2S3、TbF3、Tb2S3、Dy(2,2,6,6−テトラメチル−3,5−ヘプタンジオン)3、Tb(2,2,6,6−テトラメチル−3,5−ヘプタンジオン)3、π−アレーンDy錯体およびπ−アレーンTb錯体からなる群から選択される成分を含む
方法。 - 請求項17に記載の方法であって、
前記金属含有蒸気は、水素と接触する
方法。 - 請求項17に記載の方法であって、
前記永久磁石は、粉末冶金プロセスを使用して形成される
方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/439,442 US20130266472A1 (en) | 2012-04-04 | 2012-04-04 | Method of Coating Metal Powder with Chemical Vapor Deposition for Making Permanent Magnets |
US13/439,442 | 2012-04-04 |
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JP2013243346A true JP2013243346A (ja) | 2013-12-05 |
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JP2013075897A Pending JP2013243346A (ja) | 2012-04-04 | 2013-04-01 | 永久磁石を製造するために、化学蒸着法によって金属粉末を被覆する方法 |
Country Status (4)
Country | Link |
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US (1) | US20130266472A1 (ja) |
JP (1) | JP2013243346A (ja) |
CN (1) | CN103366942A (ja) |
DE (1) | DE102013205437A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017188660A (ja) * | 2016-04-08 | 2017-10-12 | 沈陽中北通磁科技股▲ふん▼有限公司Shenyang General Magnetic Co.,Ltd. | 窒化物相を有するネオジム鉄ホウ素永久磁石およびその製造方法 |
JP2017535056A (ja) * | 2015-08-13 | 2017-11-24 | 北京中科三環高技術股▲ふん▼有限公司 | 希土類永久磁石及び希土類永久磁石の製造方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014219378A1 (de) * | 2014-09-25 | 2016-03-31 | Siemens Aktiengesellschaft | Verfahren zur Herstellung eines Permanentmagneten |
CN105185498B (zh) * | 2015-08-28 | 2017-09-01 | 包头天和磁材技术有限责任公司 | 稀土永磁材料及其制造方法 |
CN107424825A (zh) * | 2017-07-21 | 2017-12-01 | 烟台首钢磁性材料股份有限公司 | 一种钕铁硼磁体矫顽力提高方法 |
CN108010708B (zh) * | 2017-12-30 | 2023-06-16 | 烟台首钢磁性材料股份有限公司 | 一种R-Fe-B系烧结磁体的制备方法及其专用装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0754005A (ja) * | 1993-08-12 | 1995-02-28 | Nisshin Flour Milling Co Ltd | 被覆粒子の製造方法 |
JP2008060183A (ja) * | 2006-08-30 | 2008-03-13 | Hitachi Ltd | 高抵抗磁石およびそれを用いたモータ |
JP2009049378A (ja) * | 2007-07-24 | 2009-03-05 | Nissan Motor Co Ltd | 磁性体成形体およびその製造方法 |
JP2011060975A (ja) * | 2009-09-09 | 2011-03-24 | Nissan Motor Co Ltd | 磁石成形体およびその製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US6051321A (en) * | 1997-10-24 | 2000-04-18 | Quester Technology, Inc. | Low dielectric constant materials and method |
US6689220B1 (en) * | 2000-11-22 | 2004-02-10 | Simplus Systems Corporation | Plasma enhanced pulsed layer deposition |
EP1879201B1 (en) * | 2005-04-15 | 2016-11-30 | Hitachi Metals, Ltd. | Rare earth sintered magnet and process for producing the same |
JP4672030B2 (ja) * | 2008-01-31 | 2011-04-20 | 日立オートモティブシステムズ株式会社 | 焼結磁石及びそれを用いた回転機 |
-
2012
- 2012-04-04 US US13/439,442 patent/US20130266472A1/en not_active Abandoned
-
2013
- 2013-03-27 DE DE102013205437A patent/DE102013205437A1/de not_active Ceased
- 2013-04-01 JP JP2013075897A patent/JP2013243346A/ja active Pending
- 2013-04-03 CN CN2013101146576A patent/CN103366942A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0754005A (ja) * | 1993-08-12 | 1995-02-28 | Nisshin Flour Milling Co Ltd | 被覆粒子の製造方法 |
JP2008060183A (ja) * | 2006-08-30 | 2008-03-13 | Hitachi Ltd | 高抵抗磁石およびそれを用いたモータ |
JP2009049378A (ja) * | 2007-07-24 | 2009-03-05 | Nissan Motor Co Ltd | 磁性体成形体およびその製造方法 |
JP2011060975A (ja) * | 2009-09-09 | 2011-03-24 | Nissan Motor Co Ltd | 磁石成形体およびその製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017535056A (ja) * | 2015-08-13 | 2017-11-24 | 北京中科三環高技術股▲ふん▼有限公司 | 希土類永久磁石及び希土類永久磁石の製造方法 |
JP2017188660A (ja) * | 2016-04-08 | 2017-10-12 | 沈陽中北通磁科技股▲ふん▼有限公司Shenyang General Magnetic Co.,Ltd. | 窒化物相を有するネオジム鉄ホウ素永久磁石およびその製造方法 |
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US20130266472A1 (en) | 2013-10-10 |
CN103366942A (zh) | 2013-10-23 |
DE102013205437A1 (de) | 2013-10-10 |
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