Patent ID: 11862376
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The core according to claim 1, wherein
the winding core portion includes four corner portions that are a first corner portion, a second corner portion, a third corner portion, and a fourth corner portion,
on the polygonal cross section, the first corner portion is positioned diagonally opposite to the third corner portion and the second corner portion is positioned diagonally opposite to the fourth corner portion, and
the first round surfaces and the second round surfaces are arranged circumferentially around the winding core portion in the following order: the first round surface of the first corner portion, the second round surface of the first corner portion, the second round surface of the second corner portion, the first round surface of the second corner portion, the first round surface of the third corner portion, the second round surface of the third corner portion, the second round surface of the fourth corner portion, and the first round surface of the fourth corner portion.