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Multilayer seed pattern inductor and manufacturing method thereof

  • US 10,614,943 B2
  • Filed: 02/23/2016
  • Issued: 04/07/2020
  • Est. Priority Date: 05/11/2015
  • Status: Active Grant
First Claim
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1. A multilayer seed pattern inductor comprising:

  • a magnetic body containing a magnetic material; and

    an internal coil part embedded in the magnetic body and including connected coil conductors disposed on two opposing surfaces of an insulating substrate,wherein each of the coil conductors includes a seed pattern including first and second seed pattern layers, a surface coating layer covering the seed pattern, and an upper plating layer disposed on an upper surface of the surface coating layer,wherein the seed pattern has a height greater than a width thereof, wherein the width is measured along one of the opposing surfaces of the insulating substrate, andwherein the first seed pattern layer has the surface coating layer contacting only side surfaces thereof from among top, bottom, and side surfaces, and the second seed pattern layer has the surface coating layer covering upper and side surfaces thereof.

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