Composite magnetic powder and chip coil component using same

Abstract

The invention relates to composite magnetic powder and a chip coil component using the same. According to the invention, the chip coil component comprises coil patterns stacked on a ceramic layer or wound on a ceramic core, wherein the ceramic layer or the ceramic core includes powder with a core-shell structure, the powder with the core-shell structure is made of SiO2 powder, and the shell is made of ferrite powder.

Description

[0001] The domestic priority application and foreign priority application claimed and incorporated by reference are as follows: This application claims the benefit of Korean Patent Application No. 10-2014-0097141 filed on July 30, 2014, which is adopted in its entirety References are included in this application. technical field [0002] The invention relates to a composite magnetic powder and a chip coil assembly using the same. Background technique [0003] Inductors in chip coil inductors have been used to remove noise or form components of LC resonance circuits (as one of the main passive devices) to form electronic circuits together with resistors and capacitors. [0004] Inductors can be manufactured by winding or printing a coil on a ferrite core and forming electrodes at both ends of the ferrite core, or by stacking after printing internal electrodes on a magnetic or dielectric material device. [0005] Inductors can be classified into multilayer, wound type, film ...

AI Technical Summary

Problems solved by technology

[0007] Recently, depending on the high frequency of passive products, when using a frequency bandwidth higher than several tens of GHz, there is a problem that the performance of the product is deteriorated due to the parasitic capacitance caused by the dielectric constant of the ceramic powder constituting the sheet

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