Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yukio Takahashi0
Kunio Oda0
Naoki Sutoh0
Takashi Suzuki0
Hiroshi Momoi0
Kunihiko Kawasaki0
Date of Patent
September 15, 2009
0Patent Application Number
121151800
Date Filed
May 5, 2008
0Patent Primary Examiner
Patent abstract
A multilayer inductor component has a multilayer part having a plurality of magnetic layers laminated therein and a conductor part arranged within the multilayer part. The magnetic layers are formed from a ferrite material and an additive. The ferrite material contains Fe2O3, NiO, CuO, and ZnO. Fe2O3 is 30 to 45 mol %. NiO is 45 to 58 mol %. CuO is 6 to 10 mol %. ZnO is 0 to 3 mol %. The additive contains CoO. The content of CoO is 0.1 to 2.5 mass % with respect to the ferrite material as a whole. The multilayer inductor component has an impedance peak of 500 Ω or greater at an operating frequency of 1 GHz or higher.
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