Patent ID: 7142082
Filing Date: 2006-11-28
Classification: C12N,C12Q,H01F,H05B,Y10T

Abstract:
1. An electromagnetic device comprising a magnetic core having a curved side and a flat rectangular wire conductor wound in an edge-wise winding form directly on the curved side of the magnetic core, wherein the magnetic core comprises a bottomed hole provided in each end thereof, the hole having a tapered shape which becomes gradually smaller in diameter from the opening to the bottom, and wherein an insulation coated wire is joined with a welding joiner which comprises a flat base portion extending in one direction and a folded portion extending from one side along the one direction of the base portion substantially at a right angle to the one direction, where the folded portion is folded down along the one side to face the base portion, and the base portion has a tab portion extending from a side other than the one side thereof and bent upright to form a positional error inhibitor.