Sign In to Follow Application
View All Documents & Correspondence
View All Documents & Correspondence
Non Oriented Electrical Steel Sheet, Method For Manufacturing Same, And Motor Core Comprising Same
Abstract: A non-oriented electrical steel sheet according to an embodiment of the present invention contains, in wt%, 2.8-4.0% of Si, 0.5-1.7% of Al, and 0.3-2.0% of Mn, with the remainder comprising Fe and inevitable impurities. In addition, a surface layer is present from the surface of the steel sheet toward the inside the steel sheet, an insulating coating layer is present on the surface of the steel sheet, and the weight ratio (Al/Mn) of Al to Mn in the insulating coating layer and the surface layer is 1-10.
Get Free WhatsApp Updates!
Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
09 June 2025
Publication Number
27/2025
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. KIM, Jaehoon
6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
2. KIM, Seungil
6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
3. KIM, Wonjin
6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202517055532-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [09-06-2025(online)].pdf | 2025-06-09 |
| 2 | 202517055532-STATEMENT OF UNDERTAKING (FORM 3) [09-06-2025(online)].pdf | 2025-06-09 |
| 3 | 202517055532-REQUEST FOR EXAMINATION (FORM-18) [09-06-2025(online)].pdf | 2025-06-09 |
| 4 | 202517055532-PROOF OF RIGHT [09-06-2025(online)].pdf | 2025-06-09 |
| 5 | 202517055532-PRIORITY DOCUMENTS [09-06-2025(online)].pdf | 2025-06-09 |
| 6 | 202517055532-POWER OF AUTHORITY [09-06-2025(online)].pdf | 2025-06-09 |
| 7 | 202517055532-FORM 18 [09-06-2025(online)].pdf | 2025-06-09 |
| 8 | 202517055532-FORM 1 [09-06-2025(online)].pdf | 2025-06-09 |
| 9 | 202517055532-DRAWINGS [09-06-2025(online)].pdf | 2025-06-09 |
| 10 | 202517055532-DECLARATION OF INVENTORSHIP (FORM 5) [09-06-2025(online)].pdf | 2025-06-09 |
| 11 | 202517055532-COMPLETE SPECIFICATION [09-06-2025(online)].pdf | 2025-06-09 |
| 12 | 202517055532-MARKED COPIES OF AMENDEMENTS [12-06-2025(online)].pdf | 2025-06-12 |
| 13 | 202517055532-FORM 13 [12-06-2025(online)].pdf | 2025-06-12 |
| 14 | 202517055532-AMMENDED DOCUMENTS [12-06-2025(online)].pdf | 2025-06-12 |
| 15 | 202517055532-FORM 3 [09-09-2025(online)].pdf | 2025-09-09 |