Patent ID: 8373532

Claim:
A coil comprising: first ends and second ends of winding wire which are formed by a plurality of wires; one of the first ends and the second ends of the winding wire is wound from an inner circumferential side toward an outer circumferential side, and an other one of the first ends and the second ends of the winding wire is drawn from the inner circumferential side toward the outer circumferential side, wherein the plurality of wires is wound together in a state of being piled up in a vertical direction when viewed from a bottom surface of the coil to a top surface of the coil, the plurality of wires are superimposed and caused to cross each other in a state in which the plurality of wires are laid down transversely at crossing portions of the first ends of the wires and the second ends of the wires, and a total thickness of the coil in the vertical direction of the crossing portions of the first ends and the second ends of the winding wire is equal to a total thickness of the coil at other portions of the coil other than the crossing portions.