Title:
誘電体フィルタ
Document Type and Number:
Japanese Patent JP6812670
Kind Code:
B2
Abstract:
A dielectric filter includes: a resonator body formed of dielectric material; surrounding dielectric portion present around the resonator body and formed of dielectric material having a relative permittivity lower than the dielectric material used to form the resonator body; and an input/output conductor portion formed of a conductor and configured to perform at least one supply of an electromagnetic wave to the resonator body and reception of an electromagnetic wave from the resonator body. The resonator body has a first end face and a second end face located at opposite ends in a first direction. The input/output conductor portion is located either at least part of the input/output conductor portion is contained in a space formed by shifting a virtual plane corresponding to the first end face in the first direction away from the second end face, or the input/output conductor portion is in contact with the space.
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Inventors:
Yuta Ashida
Kazushige Kimura
Tomaki Tomaki
Kazushige Kimura
Tomaki Tomaki
Application Number:
JP2016121046A
Publication Date:
January 13, 2021
Filing Date:
June 17, 2016
Export Citation:
Assignee:
tdk Corporation
International Classes:
H01P7/10; H01P1/20
Domestic Patent References:
| JP2006238027A | ||||
| JP2003069319A | ||||
| JP2016010018A | ||||
| JP7170104A | ||||
| JP2003198224A |
Foreign References:
| US20150333386 | ||||
| CN103855448A |
Attorney, Agent or Firm:
Patent Business Corporation Itoshin International Patent Office
Tatsuya Josawa
Susumu Ito
Tatsuya Josawa
Susumu Ito