Title:
フィルタ及びフィルタの製造方法
Document Type and Number:
Japanese Patent JP6919918
Kind Code:
B2
Abstract:
To provide a filter capable of having desired passing characteristics, and a filter manufacturing method.SOLUTION: A filter 1b in an embodiment includes: a resonator RS that has a cylindrical cavity 11 inside; and two coupling holes 15 each connected to a resonator RS and communicating with the cylindrical cavity 11. Passing characteristics of microwaves resonating with the resonator RS can be adjusted by changing the angle that is formed by the direction from the central axis C1 to one coupling hole 15 and the direction from central axis C1 to the other coupling hole 15, when viewed from the direction of the central axis C1 of the cavity 11.SELECTED DRAWING: Figure 3
Inventors:
Manabu Yoshida
Norihisa Shiroyama
Takahiro Miyamoto
Norihisa Shiroyama
Takahiro Miyamoto
Application Number:
JP2019216765A
Publication Date:
August 18, 2021
Filing Date:
November 29, 2019
Export Citation:
Assignee:
NEC Platforms, Ltd.
International Classes:
H01P1/208; H01P1/205; H01P7/06
Domestic Patent References:
| JP47033548A | ||||
| JP49040454A | ||||
| JP50084154A |
Attorney, Agent or Firm:
Ken Ieiri