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Title:
COIL PART AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2011/027559
Kind Code:
A1
Abstract:
Disclosed is a coil part wherein a closed magnetic circuit core is formed by means of the coil part being provided both with a first split core and a second split core that each have an outer magnetic leg, a middle magnetic leg, and a rear magnetic leg that connects the middle magnetic leg and the outer magnetic leg, and also with coils embedded in the middle magnetic legs; and by the cross-sectional area of the outer magnetic leg being smaller than the cross-sectional area of the middle magnetic leg, by the density of the magnetic body of the outer magnetic leg being different from the densities of the respective magnetic bodies of the middle magnetic leg and the rear magnetic leg, and by the first split core and the second split core abutting.

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Inventors:
SHIBUYA TOMONORI
IMANISHI TSUNETSUGU
Application Number:
PCT/JP2010/005408
Publication Date:
March 10, 2011
Filing Date:
September 02, 2010
Export Citation:
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Assignee:
PANASONIC CORP (JP)
SHIBUYA TOMONORI
IMANISHI TSUNETSUGU
International Classes:
H01F27/255; H01F37/00; H01F41/02
Foreign References:
JP2009033051A2009-02-12
JPH04315408A1992-11-06
JPS61144626U1986-09-06
JP2003217958A2003-07-31
JP2003068550A2003-03-07
Attorney, Agent or Firm:
NAITO, Hiroki et al. (JP)
Hiroki Naito (JP)
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