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Patent Searching and Data


Title:
COIL DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/135899
Kind Code:
A1
Abstract:
Disclosed is a coil device, in which a void is arranged between a magnetic material layer and a coil conductor and therefore has good electric properties. In the coil device, a constraint layer is arranged between the magnetic material layer and the coil conductor to form the void.

Inventors:
OTSUBO, Yoshihito (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2011/053436
Publication Date:
November 03, 2011
Filing Date:
February 18, 2011
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
株式会社村田製作所 (〒55 京都府長岡京市東神足1丁目10番1号 Kyoto, 〒6178555, JP)
International Classes:
H01F17/00
Domestic Patent References:
WO2008004633A1
Foreign References:
JP2008037675A
JPH0696953A
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Claims: