Lg Electronics Inc.

Jin Bae Kim

Dongwon Kang

Joungwook Kim

Disclosed are a non-oriented electrical steel sheet and a manufacturing method therefore, the sheet ensuring excellent magnetic characteristics by having increased texture intensity of surface (100) through strict control of the content ratio of Si, Al and the like and through final annealing heat treatment in an inert gas atmosphere.

Non-oriented electrical steel sheet and manufacturing method therefore

The present disclosure relates to an iron (Fe)-based amorphous soft magnetic alloy and a method for manufacturing the soft magnetic alloy. According to the present disclosure, there is provided an Fe-based soft magnetic alloy including C and S meeting 1&#x2265;a+b&#x2265;6, wherein a is an atomic % content of C and b is an atomic % content of S, B meeting 4.5&#x2265;x&#x2265;13.0, wherein x is an atomic % content of B, Cu meeting 0.2&#x2265;y&#x2265;1.5, wherein y is an atomic % content of Cu, Al meeting 0.5&#x2265;z&#x2265;2, wherein z is an atomic % content of Al, and a remaining atomic % content of Fe and other inevitable impurities, wherein the Fe-based soft magnetic alloy includes a micro-structure, and wherein the micro-structure includes a crystalline phase with a mean crystalline grain size ranging from 15 nm to 50 nm in an amorphous base.

Fe-based soft magnetic alloy and method for manufacturing the same

The present disclosure relates to a magnetic shielding sheet and a method of preparation thereof. The magnetic shielding sheet includes a magnetic layer, and a protective layer disposed on at least one surface of the magnetic layer. The magnetic layer includes a metal-ceramic composite that is metal powder, on which a ceramic coating layer is formed.

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Seoul, South Korea

Jin Bae Kim