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Patent Searching and Data


Title:
LAMINATED LC FILTER
Document Type and Number:
WIPO Patent Application WO/2018/100918
Kind Code:
A1
Abstract:
Provided is a laminated LC filter that has small insertion loss and that is equipped with an inductor having a large inductance value and a high Q value. The present invention is provided with: a laminate body 1 in which dielectric layers 1a-1s are laminated; second track-like conductor patterns 8a-8d; third track-like conductor patterns 9a-9d; first track-like conductor patterns 10a-10d; capacitor conductor patterns 5a-5f; ground conductor patterns 6a, 6b; and via conductors 4a-4o, wherein, in a perspective view of the laminate body 1 in the laminating direction of the dielectric layers, the first track-like conductor patterns 10a, 10c and the third track-like conductor patterns 9a, 9c intersect with each other in a first inductor L1, and the first track-like conductor patterns 10b, 10d and the third track-like conductor patterns 9b, 9d intersect with each other in a second inductor L2.

Inventors:
OISHI, Akihito (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2017/037973
Publication Date:
June 07, 2018
Filing Date:
October 20, 2017
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
H03H7/01; H01F17/00; H01F27/00; H03H7/075
Domestic Patent References:
WO2013146568A12013-10-03
Foreign References:
JP2012105026A2012-05-31
JP2006066769A2006-03-09
JP2004014885A2004-01-15
Attorney, Agent or Firm:
KAWAMOTO, Takashi (Kawamoto Patent Office, Takemi-Building 411 218 Kannonji-cho, Fushimi-ku, Kyoto-sh, Kyoto 01, 〒6128101, JP)
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