| 摘要 |
A laminating inductor part is provided to remove noise in a high frequency band and extend the property of frequency toward the high frequency. A laminating inductor part comprises that a magnetic layer is formed with the ferrite material and additive element. The ferrite material includes Fe2O3, NiO, CuO and ZnO. Fe2O3 is 30-45mol%. NiO is 45-58mol%. CuO is 6-10mol%. ZnO is 0-3mol%. The additive element includes CoO. The inclusion rate of CoO is 0.1 -2.5 mass % based on the ferrite material total amount. As to the operating frequency more than 1GHz, impedance peak more than 500Ф is included.
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