Grain-oriented electrical steel sheet
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United States of America Patent
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Feb 2, 2021
Grant Date -
Feb 8, 2018
app pub date -
Apr 19, 2016
filing date -
Apr 20, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a grain-oriented electrical steel sheet including a steel sheet having a steel sheet surface in which a groove, which extends in a direction intersecting a rolling direction and of which a groove depth direction matches a sheet thickness direction, is formed. In a case where the steel sheet surface is seen from the sheet thickness direction, the steel sheet surface is provided with a groove group that is constituted by a plurality of the grooves arranged in a sheet width direction, the grooves, which constitute the groove group, are arranged in such a manner that adjacent grooves overlap each other on a projection plane perpendicular to the rolling direction, and a plurality of the groove groups are arranged with an interval in the rolling direction.
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