Grain-oriented electrical steel sheet and method for manufacturing same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12123065
APP PUB NO 20180371573A1
SERIAL NO

16065785

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Abstract

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A grain-oriented electrical steel sheet according to an embodiment of the present disclosure includes: a forsterite layer formed on the surface of an electrical steel sheet; a groove which is formed on the forsterite layer in a direction perpendicular to a rolling direction; and a forsterite calcination layer which is formed in the direction of both ends of the electrical steel sheet on the basis of an upper end of the groove and has a width of 1.1 to 1.3 times the width of the groove.

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Patent Owner(s)

Patent OwnerAddress
POSCO CO LTDGYEONGSANGBUK-DO POHANG-SI

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Jae Kyoum Pohang-si, KR 8 11
Kwon, Oh Yeoul Pohang-si, KR 5 15
Lee, Seung Gon Pohang-si, KR 3 14
Lee, Won Gul Pohang-si, KR 2 7
Park, Jong-Tae Pohang-si, KR 34 311
Park, Se Min Pohang-si, KR 13 28

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