Invention Grant
- Patent Title: Grain-oriented electrical steel sheet and magnetic domain refinement method therefor
-
Application No.: US16472552Application Date: 2017-12-20
-
Publication No.: US11318562B2Publication Date: 2022-05-03
- Inventor: Oh-Yeoul Kwon , Se-Min Park , Jong-Tae Park , Won-Gul Lee
- Applicant: POSCO
- Applicant Address: KR Pohang-si
- Assignee: POSCO
- Current Assignee: POSCO
- Current Assignee Address: KR Pohang-si
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR10-2016-0177011 20161222
- International Application: PCT/KR2017/015127 WO 20171220
- International Announcement: WO2018/117641 WO 20180628
- Main IPC: B32B3/30
- IPC: B32B3/30 ; B23K26/364 ; B23K26/16 ; C21D1/18 ; C21D3/04 ; C21D9/46
Abstract:
A grain-oriented electrical steel sheet includes a groove formed on a surface and a solidified alloy layer formed under the groove, wherein the solidified alloy layer includes particles of a certain average diameter.
Public/Granted literature
- US20190321920A1 GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MAGNETIC DOMAIN REFINEMENT METHOD THEREFOR Public/Granted day:2019-10-24
Information query
