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Electrical Steel Sheet And Laminate Thereof

Abstract: The present invention relates to: an electrical steel sheet, and an electrical steel sheet comprising a bonding coating layer positioned on the electrical steel sheet and further comprising: a first interface layer located within the electrical steel sheet and being in contact with the bonding coating layer; and a second interface layer located within the bonding coating layer and being in contact with the first interlayer, wherein the content of Si in the second interface layer amounts to 70 mol% or more of the total Si content of the bonding coating layer including the second interface layer.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
12 July 2023
Publication Number
41/2023
Publication Type
INA
Invention Field
POLYMER TECHNOLOGY
Status
Email
Parent Application

Applicants

POSCO CO., LTD
6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859

Inventors

1. LEE, Donggyu
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859
2. KIM, Jungwoo
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859
3. HA, Bongwoo
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859
4. NO, Taeyoung
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859
5. PARK, Gyeongryeol
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859

Specification

Documents

Application Documents

# Name Date
1 202337046868-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [12-07-2023(online)].pdf 2023-07-12
2 202337046868-STATEMENT OF UNDERTAKING (FORM 3) [12-07-2023(online)].pdf 2023-07-12
3 202337046868-REQUEST FOR EXAMINATION (FORM-18) [12-07-2023(online)].pdf 2023-07-12
4 202337046868-PRIORITY DOCUMENTS [12-07-2023(online)].pdf 2023-07-12
5 202337046868-FORM 18 [12-07-2023(online)].pdf 2023-07-12
6 202337046868-FORM 1 [12-07-2023(online)].pdf 2023-07-12
7 202337046868-DRAWINGS [12-07-2023(online)].pdf 2023-07-12
8 202337046868-DECLARATION OF INVENTORSHIP (FORM 5) [12-07-2023(online)].pdf 2023-07-12
9 202337046868-COMPLETE SPECIFICATION [12-07-2023(online)].pdf 2023-07-12
10 202337046868-Proof of Right [10-08-2023(online)].pdf 2023-08-10
11 202337046868-FORM-26 [10-08-2023(online)].pdf 2023-08-10
12 202337046868-FORM 3 [28-12-2023(online)].pdf 2023-12-28
13 202337046868-FER.pdf 2025-06-24
14 202337046868-FORM 3 [29-08-2025(online)].pdf 2025-08-29

Search Strategy

1 202337046868_SearchStrategyNew_E_SearchHistory(91)E_23-06-2025.pdf