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Coil component and method for producing same

  • US 9,984,809 B2
  • Filed: 03/09/2015
  • Issued: 05/29/2018
  • Est. Priority Date: 03/14/2014
  • Status: Active Grant
First Claim
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1. A coil component comprising:

  • a magnetic core made of a mixture of a powdery magnetic material and a binding agent and obtained by press forming the mixture;

    a coil element formed by winding a conductive wire, embedded in the magnetic core and having an end portion protruding from the magnetic core; and

    a holding member configured to hold the end portion of the coil element, the holding member having a side face, wherein;

    the holding member has a recess portion, at the side face, protruding toward a center of the magnetic core,the holding member has, in the side face, a first slit and a second slit which faces the first slit,the end portion of the coil element is welded to the recess portion of the holding member and the holding member are welded together in an area between the first slit and the second slit, andthe recess portion has a convex surface facing the magnetic core and a concave surface opposite to the convex surface, and the end portion of the coil element is welded to the concave surface.

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