Patent ID: 7045025

Claim:
A grain-oriented electrical steel sheet arrangement having particular magnetic properties, comprising: at least one portion having a core loss property; and one or more linear melted and re-solidified layers provided on one or more of surfaces of the at least one portion that are configured to improve the core loss property, the one or more layers extending in the direction nearly perpendicular to a rolling direction of the steel sheet, and provided on the at least one portion at a predetermined interval in the rolling direction, wherein the one or more layers have the following characteristics: d≧15 μm, d/W≧0.2, and 2 mm≦PL<5 mm, wherein W is a width of the one or more layers in the rolling direction at a section thereof, d is a depth of the one or more layers, and PL is an interval of the one or more layers in the rolling direction.