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Coil member

A technology of coil parts and coil parts, applied in the direction of coils, transformer/inductor parts, electrical components, etc., can solve the problems of initial inductance rise, difficulty in designing low-capacity models, etc., and achieve an easy-to-understand effect

Inactive Publication Date: 2018-03-13
SAMSUNG ELECTRO MECHANICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the size of the main body is too large, there is a problem that it is difficult to design a low-capacity model due to the increase in the initial inductance

Method used

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Examples

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Embodiment Construction

[0026] Hereinafter, various embodiments of the present invention will be described in detail with reference to the drawings. This embodiment can be modified into other forms or a plurality of embodiments can be combined with each other, and the scope of the present invention is not limited to the embodiments described below. And, the present embodiment is provided for the purpose of more completely explaining the present invention to those having average knowledge in the technical field. For example, the shapes, sizes, etc. of elements in the drawings may be exaggerated for clearer illustration.

[0027] In addition, the expression "one example" used in the present specification does not mean the same examples, but is provided for the purpose of emphatically explaining the inherent characteristics different from each other. However, the embodiments presented in the following description do not exclude the situation of being implemented in combination with the features of othe...

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Abstract

The invention discloses a coil member. The coil member comprises a main body in which a coil part is arranged, wherein the coil part comprises a plurality of helical winding coils; the plurality of winding coils are configured to have at least two layers and the winding coils of each layer are connected through an interlayer connection part; the plurality of winding coils arranged on different layer have identical coil shafts which are alternatively arranged on a plane perpendicular to the coil shafts.

Description

technical field [0001] The present invention relates to a coil component. Background technique [0002] A power inductor is a core passive component that performs functions such as smoothing current, stabilizing current, and impedance matching, and can be divided into film type, wire wound type, and stacked type power inductors according to the manufacturing method. Among them, wire-wound power inductors have advantages in realizing low DC resistance (Rdc, Direct Current Resistance) characteristics, so they are mainly used in non-IT (Non-IT) fields such as displays, vehicles, and electronic devices that require high current characteristics. used in . [0003] In addition, in order to realize stable operation of the power inductor under high current conditions, it is necessary to have high saturation current (Isat, Saturation Current) characteristics representing a current that is 30% lower than the initial inductance. This Isat characteristic is basically related to the de...

Claims

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Application Information

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IPC IPC(8): H01F17/00H01F27/28
CPCH01F17/0013H01F2027/2809H01F2017/004H01F27/30H01F27/292H01F5/04H01F27/28H01F2005/006
Inventor 金汇大朴珉哲李东焕尹灿
Owner SAMSUNG ELECTRO MECHANICS CO LTD