To provide a ferrite core for which core-less grinding of extremely high working efficiency can be adopted and which can be stably mounted on a circuit board, in the ferrite core having flanges at both ends and a body, to provide a surface-mounted coil component using the same and its manufacturing method.
The ferrite core is comprised of a body around which a winding wire is wound, and integrated flanges provided at both ends of the body. A cross-sectional shape of each of the flanges is made into n-angle ((n) is a natural number of ≥6) approximately right polygonal shape, a cross-sectional shape of the body is made similar to the cross-sectional shape of each of the flanges, and each of angular portions of the body is confronted with each of sides of the flanges.
COPYRIGHT: (C)2005,JPO&NCIPI
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Akio Uchikawa
Yamada Mitsuo
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