POSCO Holdings Inc.
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MAGNETIC DOMAIN REFINEMENT METHOD THEREFOR
Last updated:
Abstract:
A grain-oriented electrical steel sheet incudes 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.
Status:
Application
Type:
Utility
Filling date:
28 Mar 2022
Issue date:
7 Jul 2022