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Title:
LAMINATION TYPE LC FILTER ARRAY
Document Type and Number:
WIPO Patent Application WO/2018/070105
Kind Code:
A1
Abstract:
This lamination type LC filter array is provided with: an element body having a cuboid shape; a first filter including a first inductor and a first capacitor which are disposed in the element body; a second filter including a second inductor and a second capacitor which are disposed in the element body; a first input terminal electrode and a first output terminal electrode to which the first inductor is connected; a second input terminal electrode and a second output terminal electrode to which the second inductor is connected; and a ground terminal electrode to which the first capacitor and the second capacitor are connected. The element body has first and second principal surfaces which are opposite to each other. The ground terminal electrode is disposed at the center of the first principal surface. The first input terminal electrode, the first output terminal electrode, the second input terminal electrode, and the second output terminal electrode are disposed at different corners of the element body when viewed from a direction orthogonal to the first principal surface.

Inventors:
OIDE Akihiko (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
UCHIDA Naoki (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
TOZAWA Yoji (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
YOSHINO Makoto (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
NAKAGAWA Seiichi (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
SATO Shinichi (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
ONO Hiroshi (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
ENDO Takashi (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
Application Number:
JP2017/029792
Publication Date:
April 19, 2018
Filing Date:
August 21, 2017
Export Citation:
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Assignee:
TDK CORPORATION (3-9-1, Shibaura Minato-k, Tokyo 23, 〒1080023, JP)
International Classes:
H03H7/075; H01F17/00; H01F27/00
Domestic Patent References:
WO2008013071A12008-01-31
Foreign References:
JP2003060462A2003-02-28
JP2006041820A2006-02-09
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (SOEI PATENT AND LAW FIRM, Marunouchi MY PLAZA 9th fl. 1-1, Marunouchi 2-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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