Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 18, 2010
Patent Application Number
12336775
Date Filed
December 17, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A laminated coil component includes high-magnetic-permeability ferrite layers that are disposed on both main surfaces of a low-magnetic-permeability ferrite layer. Pores or pores filled with a resin are formed in the low-magnetic-permeability ferrite layer. Nickel in the high-magnetic-permeability ferrite layers does not significantly diffuse into the pores or the pores filled with the resin during firing, and thus, Ni does not readily diffuse into the low-magnetic-permeability ferrite layer.
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