JP7299893B2 - 無方向性電磁鋼板およびその製造方法 - Google Patents
無方向性電磁鋼板およびその製造方法 Download PDFInfo
- Publication number
- JP7299893B2 JP7299893B2 JP2020536063A JP2020536063A JP7299893B2 JP 7299893 B2 JP7299893 B2 JP 7299893B2 JP 2020536063 A JP2020536063 A JP 2020536063A JP 2020536063 A JP2020536063 A JP 2020536063A JP 7299893 B2 JP7299893 B2 JP 7299893B2
- Authority
- JP
- Japan
- Prior art keywords
- steel sheet
- electrical steel
- oriented electrical
- less
- inclusions
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
- C21D8/1233—Cold rolling
-
- 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%
-
- 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
-
- 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
-
- 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
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
- C21D8/1222—Hot rolling
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
- C21D8/1272—Final recrystallisation annealing
-
- 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
-
- 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
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
-
- 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
-
- 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
-
- 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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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
-
- 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
- H01F1/14775—Fe-Si based alloys in the form of sheets
-
- 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
- H01F1/16—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 in the form of sheets
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Soft Magnetic Materials (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2017-0179446 | 2017-12-26 | ||
| KR1020170179446A KR102043289B1 (ko) | 2017-12-26 | 2017-12-26 | 무방향성 전기강판 및 그 제조방법 |
| PCT/KR2018/005622 WO2019132128A1 (ko) | 2017-12-26 | 2018-05-16 | 무방향성 전기강판 및 그 제조방법 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021508781A JP2021508781A (ja) | 2021-03-11 |
| JP2021508781A5 JP2021508781A5 (enExample) | 2021-04-22 |
| JP7299893B2 true JP7299893B2 (ja) | 2023-06-28 |
Family
ID=67063832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020536063A Active JP7299893B2 (ja) | 2017-12-26 | 2018-05-16 | 無方向性電磁鋼板およびその製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11773463B2 (enExample) |
| EP (1) | EP3733901A4 (enExample) |
| JP (1) | JP7299893B2 (enExample) |
| KR (1) | KR102043289B1 (enExample) |
| CN (1) | CN111566231B (enExample) |
| WO (1) | WO2019132128A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101901313B1 (ko) * | 2016-12-19 | 2018-09-21 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| KR102009393B1 (ko) | 2017-12-26 | 2019-08-09 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| KR102018181B1 (ko) | 2017-12-26 | 2019-09-04 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| CN114555848A (zh) | 2019-10-29 | 2022-05-27 | 杰富意钢铁株式会社 | 无方向性电磁钢板及其制造方法 |
| KR102438475B1 (ko) * | 2020-12-21 | 2022-09-01 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| KR102468078B1 (ko) * | 2020-12-21 | 2022-11-16 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| KR20250103075A (ko) * | 2023-12-28 | 2025-07-07 | 현대제철 주식회사 | 무방향성 전기강판 및 그 제조방법 |
| KR102942050B1 (ko) * | 2023-12-29 | 2026-03-23 | 현대제철 주식회사 | 무방향성 전기강판 및 그 제조방법 |
| CN118996085A (zh) * | 2024-06-21 | 2024-11-22 | 辽宁工业大学 | 一种稀土钇调控无取向硅钢织构与磁性能的方法及应用 |
| KR102857586B1 (ko) * | 2024-08-13 | 2025-09-08 | 현대제철 주식회사 | 무방향성 전기강판 및 무방향성 전기강판 제조 방법 |
| KR20260032731A (ko) * | 2024-08-29 | 2026-03-10 | 현대제철 주식회사 | 무방향성 전기강판 및 무방향성 전기강판의 제조방법 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001335897A (ja) | 2000-05-24 | 2001-12-04 | Kawasaki Steel Corp | 加工性およびリサイクル性に優れた低鉄損かつ高磁束密度の無方向性電磁鋼板 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD299102A7 (de) | 1989-12-06 | 1992-04-02 | ������@����������@��������@��������@��@��������k�� | Verfahren zur herstellung von nichtorientiertem elektroblech |
| JP2998676B2 (ja) * | 1997-01-27 | 2000-01-11 | 日本鋼管株式会社 | Si拡散浸透処理法により製造される加工性の優れた高珪素鋼板 |
| JP3430833B2 (ja) | 1997-01-31 | 2003-07-28 | Jfeスチール株式会社 | 歪み取り焼鈍後の磁気特性に優れる無方向性電磁鋼板およびその製造方法 |
| JP3421536B2 (ja) * | 1997-05-12 | 2003-06-30 | Jfeスチール株式会社 | 磁気特性に優れる無方向性電磁鋼板およびその製造方法 |
| KR100479992B1 (ko) | 1999-09-22 | 2005-03-30 | 주식회사 포스코 | 자성이 우수한 무방향성 전기강판 및 그 제조방법 |
| DE10221793C1 (de) * | 2002-05-15 | 2003-12-04 | Thyssenkrupp Electrical Steel Ebg Gmbh | Nichtkornorientiertes Elektroband oder -blech und Verfahren zu seiner Herstellung |
| JP4779474B2 (ja) | 2005-07-07 | 2011-09-28 | 住友金属工業株式会社 | 回転子用無方向性電磁鋼板およびその製造方法 |
| CN101218362B (zh) | 2005-07-07 | 2010-05-12 | 住友金属工业株式会社 | 无方向性电磁钢板及其制造方法 |
| JP4979904B2 (ja) | 2005-07-28 | 2012-07-18 | 新日本製鐵株式会社 | 電磁鋼板の製造方法 |
| JP4586669B2 (ja) * | 2005-08-01 | 2010-11-24 | 住友金属工業株式会社 | 回転子用無方向性電磁鋼板の製造方法 |
| JP5712863B2 (ja) | 2011-08-23 | 2015-05-07 | 新日鐵住金株式会社 | 無方向性電磁鋼板の製造方法 |
| US8840734B2 (en) | 2012-02-14 | 2014-09-23 | Nippon Steel & Sumitomo Metal Corporation | Non-oriented electrical steel sheet |
| CN103361544B (zh) | 2012-03-26 | 2015-09-23 | 宝山钢铁股份有限公司 | 无取向硅钢及其制造方法 |
| KR20140060727A (ko) | 2012-11-12 | 2014-05-21 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| JP5975076B2 (ja) | 2014-08-27 | 2016-08-23 | Jfeスチール株式会社 | 無方向性電磁鋼板およびその製造方法 |
| CN107109583B (zh) | 2014-12-24 | 2019-11-08 | Posco公司 | 无取向电工钢板及其制造方法 |
| JP6627226B2 (ja) * | 2015-02-24 | 2020-01-08 | 日本製鉄株式会社 | 無方向性電磁鋼板の製造方法 |
| KR20150045993A (ko) | 2015-04-17 | 2015-04-29 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| KR102175064B1 (ko) | 2015-12-23 | 2020-11-05 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| KR101701194B1 (ko) | 2015-12-23 | 2017-02-01 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| KR101902438B1 (ko) | 2016-12-19 | 2018-09-28 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| KR101901313B1 (ko) | 2016-12-19 | 2018-09-21 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| KR102018181B1 (ko) | 2017-12-26 | 2019-09-04 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| KR102009393B1 (ko) | 2017-12-26 | 2019-08-09 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
-
2017
- 2017-12-26 KR KR1020170179446A patent/KR102043289B1/ko active Active
-
2018
- 2018-05-16 WO PCT/KR2018/005622 patent/WO2019132128A1/ko not_active Ceased
- 2018-05-16 JP JP2020536063A patent/JP7299893B2/ja active Active
- 2018-05-16 US US16/957,834 patent/US11773463B2/en active Active
- 2018-05-16 EP EP18894426.8A patent/EP3733901A4/en active Pending
- 2018-05-16 CN CN201880084859.1A patent/CN111566231B/zh active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001335897A (ja) | 2000-05-24 | 2001-12-04 | Kawasaki Steel Corp | 加工性およびリサイクル性に優れた低鉄損かつ高磁束密度の無方向性電磁鋼板 |
Also Published As
| Publication number | Publication date |
|---|---|
| US11773463B2 (en) | 2023-10-03 |
| KR102043289B1 (ko) | 2019-11-12 |
| KR20190077892A (ko) | 2019-07-04 |
| EP3733901A1 (en) | 2020-11-04 |
| CN111566231A (zh) | 2020-08-21 |
| EP3733901A4 (en) | 2020-11-04 |
| WO2019132128A1 (ko) | 2019-07-04 |
| US20210062284A1 (en) | 2021-03-04 |
| CN111566231B (zh) | 2022-09-27 |
| JP2021508781A (ja) | 2021-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7850725B2 (ja) | 無方向性電磁鋼板およびその製造方法 | |
| JP6842547B2 (ja) | 無方向性電磁鋼板およびその製造方法 | |
| CN111566231B (zh) | 无取向电工钢板及其制造方法 | |
| TWI777498B (zh) | 無方向性電磁鋼板及其製造方法 | |
| CN111527225B (zh) | 无取向电工钢板及其制造方法 | |
| KR20230094459A (ko) | 무방향성 전기강판 및 그 제조방법 | |
| JP7445651B2 (ja) | 無方向性電磁鋼板およびその製造方法 | |
| JP7675190B2 (ja) | 無方向性電磁鋼板およびその製造方法 | |
| JP7328597B2 (ja) | 無方向性電磁鋼板およびその製造方法 | |
| JP2025501608A (ja) | 無方向性電磁鋼板およびその製造方法 | |
| EP4640872A1 (en) | Non-oriented electrical steel sheet, method for manufacturing same, and motor core comprising same | |
| WO2019132130A1 (ko) | 무방향성 전기강판 및 그 제조방법 | |
| KR20250093641A (ko) | 무방향성 전기강판 및 그 제조방법 | |
| KR20250092493A (ko) | 무방향성 전기강판 및 그 제조방법 | |
| JP2025540882A (ja) | 無方向性電磁鋼板及びその製造方法 | |
| JP2025539854A (ja) | 無方向性電磁鋼板およびその製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200629 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200629 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210706 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20211006 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20220222 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220622 |
|
| C60 | Trial request (containing other claim documents, opposition documents) |
Free format text: JAPANESE INTERMEDIATE CODE: C60 Effective date: 20220622 |
|
| A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20220708 |
|
| C21 | Notice of transfer of a case for reconsideration by examiners before appeal proceedings |
Free format text: JAPANESE INTERMEDIATE CODE: C21 Effective date: 20220712 |
|
| A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20220902 |
|
| C211 | Notice of termination of reconsideration by examiners before appeal proceedings |
Free format text: JAPANESE INTERMEDIATE CODE: C211 Effective date: 20220906 |
|
| C22 | Notice of designation (change) of administrative judge |
Free format text: JAPANESE INTERMEDIATE CODE: C22 Effective date: 20220913 |
|
| C22 | Notice of designation (change) of administrative judge |
Free format text: JAPANESE INTERMEDIATE CODE: C22 Effective date: 20221101 |
|
| C13 | Notice of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: C13 Effective date: 20221206 |
|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20221222 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230306 |
|
| C23 | Notice of termination of proceedings |
Free format text: JAPANESE INTERMEDIATE CODE: C23 Effective date: 20230404 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230616 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 7299893 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |