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Non Oriented Electrical Steel Sheet And Method For Manufacturing Same
Abstract: A non-oriented electrical steel sheet according to an embodiment of the present invention comprises, by weight%, Si: 3.0 to 5.0%, Mn: 0.1 to 1.4%, and Al: 0.3 to 1.3%, with the balance being Fe and inevitable impurities. In the non-oriented electrical steel sheet according to an embodiment of the present invention, uneven parts where the height difference is more than 1.0 µm relative to the average height may have a length of 3mm or less when observed in a surface area of 5mm x 5mm.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
23 May 2025
Publication Number
24/2025
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application
Applicants
POSCO CO., LTD
6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
Inventors
1. HONG, Jaewan
6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
2. LEE, Sangwoo
6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
3. PARK, Junesoo
6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202517049796-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [23-05-2025(online)].pdf | 2025-05-23 |
| 2 | 202517049796-STATEMENT OF UNDERTAKING (FORM 3) [23-05-2025(online)].pdf | 2025-05-23 |
| 3 | 202517049796-REQUEST FOR EXAMINATION (FORM-18) [23-05-2025(online)].pdf | 2025-05-23 |
| 4 | 202517049796-PROOF OF RIGHT [23-05-2025(online)].pdf | 2025-05-23 |
| 5 | 202517049796-PRIORITY DOCUMENTS [23-05-2025(online)].pdf | 2025-05-23 |
| 6 | 202517049796-POWER OF AUTHORITY [23-05-2025(online)].pdf | 2025-05-23 |
| 7 | 202517049796-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [23-05-2025(online)].pdf | 2025-05-23 |
| 8 | 202517049796-FORM 18 [23-05-2025(online)].pdf | 2025-05-23 |
| 9 | 202517049796-FORM 1 [23-05-2025(online)].pdf | 2025-05-23 |
| 10 | 202517049796-DECLARATION OF INVENTORSHIP (FORM 5) [23-05-2025(online)].pdf | 2025-05-23 |
| 11 | 202517049796-COMPLETE SPECIFICATION [23-05-2025(online)].pdf | 2025-05-23 |
| 12 | 202517049796-FORM 3 [03-09-2025(online)].pdf | 2025-09-03 |