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Patent Searching and Data


Title:
COMMON MODE NOISE FILTER AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2014/171140
Kind Code:
A1
Abstract:
This common mode noise filter is characterized by being provided with a laminate body and a first coil conductor and a second coil conductor formed inside of the laminate body and facing in a first direction, and in that the first coil conductor has a first surface facing the second coil conductor and the second coil conductor has a second surface facing the first surface; the distance between the end of the first surface facing the first direction and the end of the second surface is greater than the distance between the center of the first surface facing in the first direction and the center of the second surface, the corner parts of the cross sections of the first surface and the second surface are arcuate in shape, and in the cross section of the first and second coil conductors, the relation between the height (h) in the first direction and the width (w) in a second direction orthogonal to the first direction is h ≧ w.

Inventors:
KAWASHIMA, Takuji
OMORI, Yoshiharu
TANAKA, Hideki
Application Number:
JP2014/002162
Publication Date:
October 23, 2014
Filing Date:
April 16, 2014
Export Citation:
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Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (1-61, Shiromi 2-chome Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
International Classes:
H01F17/00; H01F19/00
Foreign References:
JP2005243807A2005-09-08
JPH04363006A1992-12-15
JP2011176165A2011-09-08
JPH11273979A1999-10-08
JPH11135351A1999-05-21
Attorney, Agent or Firm:
FUJII, Kentaro et al. (1-61, Shiromi 2-chome, Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
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