Title:
COMMON-MODE CHOKE COIL
Document Type and Number:
WIPO Patent Application WO/2017/065143
Kind Code:
A1
Abstract:
A first coil of this common mode choke coil includes a first looped conductor and a second looped conductor formed on different layers, and an interlayer connection conductor connecting the first looped conductor and the second looped conductor, the inner and outer diameters of the second looped conductor being equal to or smaller than the inner and outer diameters of the first looped conductor. A second coil includes a third looped conductor and a fourth looped conductor formed on different layers, and an interlayer connection conductor connecting the third looped conductor and the fourth looped conductor. The third looped conductor is disposed on the outside of the first looped conductor in the same layer as the first looped conductor. The fourth looped conductor is disposed on the inside of the second looped conductor in the same layer as the second looped conductor.
Inventors:
UEKI NORIYUKI (JP)
KATO NOBORU (JP)
KATO NOBORU (JP)
Application Number:
PCT/JP2016/080163
Publication Date:
April 20, 2017
Filing Date:
October 12, 2016
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01F17/00
Foreign References:
| JP2005012072A | 2005-01-13 | |||
| JPH03153011A | 1991-07-01 | |||
| JP2007227490A | 2007-09-06 |
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (JP)
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