View All Documents & Correspondence
Grain Oriented Electrical Steel Sheet, And Magnetic Domain Refining Method Therefor
Abstract: A grain-oriented electrical steel sheet, according to one embodiment of the present invention, comprises: linear grooves formed on one surface or both surfaces of the electrical steel sheet in the direction (X1 direction) crossing a rolling direction; and punctuated grooves formed on one surface or both surfaces of the electrical steel sheet so as to be arranged in the direction (X2 direction) crossing the rolling direction, wherein the plurality of linear grooves and the plurality of punctuated grooves are formed in the rolling direction, and an interval (D3) between the punctuated grooves with respect to an arrangement direction (X2 direction) of the punctuated grooves is 0.02 to 1.7 times the interval (D2) between the punctuated grooves with respect to the rolling direction.
Notices, Deadlines & Correspondence
Patent Information
Applicants
POSCO CO., LTD
Inventors
1. KWON, Ohyeoul
2. KIM, Woosin
3. SONG, Jaehwa
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202337047753-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [15-07-2023(online)].pdf | 2023-07-15 |
| 2 | 202337047753-STATEMENT OF UNDERTAKING (FORM 3) [15-07-2023(online)].pdf | 2023-07-15 |
| 3 | 202337047753-PRIORITY DOCUMENTS [15-07-2023(online)].pdf | 2023-07-15 |
| 4 | 202337047753-POWER OF AUTHORITY [15-07-2023(online)].pdf | 2023-07-15 |
| 5 | 202337047753-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [15-07-2023(online)].pdf | 2023-07-15 |
| 6 | 202337047753-FORM 1 [15-07-2023(online)].pdf | 2023-07-15 |
| 7 | 202337047753-DRAWINGS [15-07-2023(online)].pdf | 2023-07-15 |
| 8 | 202337047753-DECLARATION OF INVENTORSHIP (FORM 5) [15-07-2023(online)].pdf | 2023-07-15 |
| 9 | 202337047753-COMPLETE SPECIFICATION [15-07-2023(online)].pdf | 2023-07-15 |
| 10 | 202337047753-Proof of Right [10-08-2023(online)].pdf | 2023-08-10 |
| 11 | 202337047753-FORM 18 [12-08-2023(online)].pdf | 2023-08-12 |
| 12 | 202337047753-FORM 3 [29-12-2023(online)].pdf | 2023-12-29 |
| 13 | 202337047753-FER.pdf | 2025-02-18 |
| 14 | 202337047753-FORM 3 [22-04-2025(online)].pdf | 2025-04-22 |
| 15 | 202337047753-FER_SER_REPLY [12-08-2025(online)].pdf | 2025-08-12 |
| 16 | 202337047753-CLAIMS [12-08-2025(online)].pdf | 2025-08-12 |
| 17 | 202337047753-US(14)-HearingNotice-(HearingDate-23-09-2025).pdf | 2025-09-02 |
| 18 | 202337047753-Response to office action [03-09-2025(online)].pdf | 2025-09-03 |
| 19 | 202337047753-Correspondence to notify the Controller [18-09-2025(online)].pdf | 2025-09-18 |
| 20 | 202337047753-FORM-26 [22-09-2025(online)].pdf | 2025-09-22 |
| 21 | 202337047753-Written submissions and relevant documents [08-10-2025(online)].pdf | 2025-10-08 |
Search Strategy
| 1 | 202337047753_SearchStrategyNew_E_SearchStrategy127H202337047753E_17-02-2025.pdf |