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Patent Searching and Data


Title:
LC FILTER
Document Type and Number:
WIPO Patent Application WO/2016/051853
Kind Code:
A1
Abstract:
Provided is an LC filter that can obtain large insertion loss in a high-frequency band. The following are provided: a core 1 in which on both ends of a winding core part 1a a pair of collar parts 1b, 1c are formed; a winding 2; and a pair of signal-use external electrodes 5, 9. At least one of the pair of collar parts 1b, 1c comprises a laminated body in which an internal electrode and a dielectric layer 4 are alternatingly laminated, and the one collar part is provided with a grounding-use external electrode 6 (10). The internal electrode is provided with a first internal electrode 3a (7a) and a second internal electrode 3b (7b) which are alternatingly disposed. The first internal electrode 3a (7a) is connected to the signal-use external electrode 5 (9), and the second internal electrode 3b (7b) is connected to the grounding-use external electrode 6 (10).

Inventors:
GUAN, Yang (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2015/064218
Publication Date:
April 07, 2016
Filing Date:
May 18, 2015
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
H03H7/075; H01G4/40; H03H7/01
Foreign References:
JP2002009572A2002-01-11
JPH11186100A1999-07-09
JPH07135124A1995-05-23
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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