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MULTILAYER COMMON MODE FILTER

  • US 20100301966A1
  • Filed: 04/02/2010
  • Published: 12/02/2010
  • Est. Priority Date: 05/29/2009
  • Status: Active Grant
First Claim
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1. A multilayer common mode filter comprising a matrix formed by laminating a plurality of nonmagnetic layers including a pair of nonmagnetic layers having respective surfaces formed with spiral coil conductors and a pair of magnetic layers holding the plurality of nonmagnetic layers therebetween;

  • wherein the plurality of nonmagnetic layers have respective surfaces provided with magnetic layers located in an inner region of the coil conductors; and

    wherein the plurality of nonmagnetic layers are laminated such that a columnar part where magnetic and nonmagnetic bodies are arranged alternately in the laminating direction is formed in the inner region between the pair of magnetic layers.

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