JPWO2020241315A1 - モータコアの製造方法 - Google Patents
モータコアの製造方法 Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
- C21D10/005—Modifying the physical properties by methods other than heat treatment or deformation by laser shock processing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
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- C—CHEMISTRY; METALLURGY
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- 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
- H01F1/12—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 soft-magnetic materials
- H01F1/14—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 soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
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- 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
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- 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
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/04—Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2261/00—Machining or cutting being involved
-
- 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
- H01F1/12—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 soft-magnetic materials
- H01F1/14—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 soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
- H01F1/14791—Fe-Si-Al based alloys, e.g. Sendust
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Materials Engineering (AREA)
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- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Dispersion Chemistry (AREA)
- Optics & Photonics (AREA)
- Soft Magnetic Materials (AREA)
- Manufacture Of Motors, Generators (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
以下の表2に示す板厚方向の成分及び製造方法によりモータコアの素材となる電磁鋼板を作製した。これらの電磁鋼板について、板厚方向の熱伝導率評価及びJIS C2550−1に定められるエプスタイン試験による鉄損評価(W10/1000)を行った。一例として、図3にNo.1の電磁鋼板の板厚方向の熱伝導率を測定した結果を示す。さらに、それぞれの電磁鋼板を用いて図1に示す小型モータを作製し、モータ効率の評価を行った。ここで、モータの駆動条件は50mNm−90000rpmとし、出力の測定には菅原研究所製モータトルク試験機EMM−100Mを用いた。なお、表2中の電磁鋼板の製造方法の記号は上記製造方法(1)〜(3)に対応している。但し、それぞれの途中工程の条件は下記の通りであり、いずれも成分の異なる層が表層(表裏)と中心層で1/3ずつの構成となるように条件を調整した。
表2に示すNo.5の材料について、加工に用いるレーザー条件の影響を評価した。レーザー条件以外の評価方法は実施例1と同一とした。以下の表3にレーザー条件と共にモータ評価の結果を示す。表3に示すように、連続発振方式のCO2レーザーで照射した条件では同等出力のパルス発振方式のCO2レーザーで加工した条件よりもモータ効率が劣位となった。一方、パルス発振方式のCO2レーザーでかつ250Wの低出力で加工した条件ではモータ効率が優位であった。さらに、CO2レーザーではなく発振源としてファイバーレーザーを用いることでさらにモータ効率の向上が認められた。
Claims (4)
- 表面から板厚の1/3の深さ位置までの平均の熱伝導率が板厚方向中心位置の熱伝導率よりも30%以上低い電磁鋼板を、表面からの入熱による溶断で加工することによりモータコアを製造するステップを含む、モータコアの製造方法。
- 前記電磁鋼板の板厚が0.20mm以下である、請求項1に記載のモータコアの製造方法。
- 前記電磁鋼板の板厚全体の成分濃度が、質量%で、C:0.01%以下、Si:7%以下、Al:4%以下、Mn:5%以下である、請求項1〜3のいずれか1項に記載のモータコアの製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019099169 | 2019-05-28 | ||
JP2019099169 | 2019-05-28 | ||
PCT/JP2020/019494 WO2020241315A1 (ja) | 2019-05-28 | 2020-05-15 | モータコアの製造方法 |
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JPWO2020241315A1 true JPWO2020241315A1 (ja) | 2021-09-13 |
JP7052876B2 JP7052876B2 (ja) | 2022-04-12 |
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JP2020546509A Active JP7052876B2 (ja) | 2019-05-28 | 2020-05-15 | モータコアの製造方法 |
Country Status (7)
Country | Link |
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US (1) | US20220239202A1 (ja) |
EP (1) | EP3978636A4 (ja) |
JP (1) | JP7052876B2 (ja) |
KR (1) | KR20210151908A (ja) |
CN (1) | CN113853732A (ja) |
CA (1) | CA3141986A1 (ja) |
WO (1) | WO2020241315A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5570492A (en) * | 1978-11-22 | 1980-05-27 | Kawasaki Steel Corp | Fusion-cutting method of silicon steel plates |
JPS63303693A (ja) * | 1987-06-02 | 1988-12-12 | Fujitsu Ltd | 高エネルギ−放射線加工方法 |
JP2000197318A (ja) * | 1998-12-24 | 2000-07-14 | Nippon Steel Corp | 磁心およびその製造方法 |
JP2009263782A (ja) * | 2008-03-31 | 2009-11-12 | Jfe Steel Corp | 方向性電磁鋼板およびその製造方法 |
JP2010063252A (ja) * | 2008-09-03 | 2010-03-18 | Jfe Steel Corp | 熱放散性に優れた高速モータ用コアおよび高速モータ用コア材料 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11307354A (ja) * | 1998-04-17 | 1999-11-05 | Nkk Corp | 高効率高速回転機 |
JP2000328226A (ja) * | 1999-05-20 | 2000-11-28 | Yaskawa Electric Corp | 高周波特性に優れたモータ用珪素鋼板およびその製造方法 |
JP4333613B2 (ja) * | 2005-03-18 | 2009-09-16 | Jfeスチール株式会社 | 高珪素鋼板 |
JP2009032753A (ja) * | 2007-07-24 | 2009-02-12 | Isao Sato | 電磁鋼積層コアの製造方法 |
JP4905374B2 (ja) * | 2007-12-10 | 2012-03-28 | Jfeスチール株式会社 | 一方向性電磁鋼板およびその製造方法 |
KR102100898B1 (ko) * | 2011-06-10 | 2020-04-16 | 액시플룩스 홀딩스 피티와이 엘티디 | 전기 모터/발전기 |
US10395806B2 (en) * | 2011-12-28 | 2019-08-27 | Jfe Steel Corporation | Grain-oriented electrical steel sheet and method of manufacturing the same |
EP3351649B1 (en) * | 2015-09-17 | 2020-01-15 | JFE Steel Corporation | High silicon steel sheet and manufacturing method therefor |
JP6455468B2 (ja) * | 2016-03-09 | 2019-01-23 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
JP6319522B2 (ja) * | 2016-03-31 | 2018-05-09 | Jfeスチール株式会社 | 電磁鋼板およびその製造方法 |
-
2020
- 2020-05-15 US US17/611,781 patent/US20220239202A1/en active Pending
- 2020-05-15 KR KR1020217036708A patent/KR20210151908A/ko not_active Application Discontinuation
- 2020-05-15 CN CN202080037298.7A patent/CN113853732A/zh active Pending
- 2020-05-15 CA CA3141986A patent/CA3141986A1/en active Pending
- 2020-05-15 JP JP2020546509A patent/JP7052876B2/ja active Active
- 2020-05-15 EP EP20813218.3A patent/EP3978636A4/en active Pending
- 2020-05-15 WO PCT/JP2020/019494 patent/WO2020241315A1/ja unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5570492A (en) * | 1978-11-22 | 1980-05-27 | Kawasaki Steel Corp | Fusion-cutting method of silicon steel plates |
JPS63303693A (ja) * | 1987-06-02 | 1988-12-12 | Fujitsu Ltd | 高エネルギ−放射線加工方法 |
JP2000197318A (ja) * | 1998-12-24 | 2000-07-14 | Nippon Steel Corp | 磁心およびその製造方法 |
JP2009263782A (ja) * | 2008-03-31 | 2009-11-12 | Jfe Steel Corp | 方向性電磁鋼板およびその製造方法 |
JP2010063252A (ja) * | 2008-09-03 | 2010-03-18 | Jfe Steel Corp | 熱放散性に優れた高速モータ用コアおよび高速モータ用コア材料 |
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Publication number | Publication date |
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CA3141986A1 (en) | 2020-12-03 |
JP7052876B2 (ja) | 2022-04-12 |
CN113853732A (zh) | 2021-12-28 |
EP3978636A1 (en) | 2022-04-06 |
WO2020241315A1 (ja) | 2020-12-03 |
KR20210151908A (ko) | 2021-12-14 |
EP3978636A4 (en) | 2022-08-31 |
US20220239202A1 (en) | 2022-07-28 |
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