Method of magnetic core
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United States of America Patent
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Nov 14, 2017
Issued Date -
N/A
app pub date -
May 19, 2015
filing date -
Sep 12, 2012
priority date (Note) -
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Abstract
A magnetic core including a winding core portion; and a flange portion provided on the axial end side of at least one of the winding core portion, wherein the flange portion is formed such that contour line OL1 of cross-section P, of the flange portion, which becomes perpendicular with respect to the axis line of the winding core portion forms a shape of a first irregular convex polygon which is substantially a non-regular polygon and also a convex polygon, and the contour line OL1 contacts with respect to all of sides Sb1, Sb2, Sb3 and Sb4 which are the four sides of a first circumscribed rectangle which becomes minimum within imaginary rectangles circumscribed with the contour line OL1 and also, the contour line OL1 includes side Sa1 and side Sa2 which respectively overlap with portions of respective ones of the side Sb1 and the side Sb2.
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