- 专利标题: ELECTRICAL STEEL SHEET AND LAMINATE THEREOF
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申请号: US18268755申请日: 2021-12-17
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公开(公告)号: US20240278535A1公开(公告)日: 2024-08-22
- 发明人: Donggyu LEE , Jungwoo KIM , Bongwoo HA , Taeyoung NO , Gyeongryeol PARK
- 申请人: POSCO Co., Ltd
- 申请人地址: KR Pohang-si, Gyeongsangbuk-do
- 专利权人: POSCO Co., Ltd
- 当前专利权人: POSCO Co., Ltd
- 当前专利权人地址: KR Pohang-si, Gyeongsangbuk-do
- 优先权: KR 20200180151 2020.12.21
- 国际申请: PCT/KR2021/019319 2021.12.17
- 进入国家日期: 2023-07-18
- 主分类号: B32B15/04
- IPC分类号: B32B15/04 ; B32B7/12 ; B32B15/18 ; C09J1/00 ; C09J11/06 ; C09J175/08 ; H01F1/147
摘要:
The present invention relates to: an electrical steel sheet including: an electrical steel sheet; and a bonding coating layer positioned on the electrical steel sheet, and further including: a first interface layer positioned in the electrical steel sheet and brought into contact with the bonding coating layer; and a second interface layer positioned in the bonding coating layer and brought into contact with the first interface layer, in which 70 mol % or more of total Si content in the bonding coating layer including the second interface layer is present in the second interface layer.
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