Tdk Corporation

Honoka Atsuchi

Yuta Ashida

Shigemitsu Tomaki

Masahiro Tatematsu

Shuhei Sawaguchi

Yoshinori Matsumaru

Longfei Yi

A band-pass filter includes a first input/output port, a second input/output port, a plurality of resonators, and a multilayer stack. The multilayer stack includes a plurality of stacked dielectric layers. Each of the resonators is an open-ended resonator formed of a conductor line in the multilayer stack. Each of the resonators includes a resonator conductor portion including a first line part and a second line part located away from each other in a direction orthogonal to a stacking direction of the plurality of dielectric layers, and a third line part connecting the first line part and the second line part. The first to third line parts extend to surround a space between the first line part and the second line part.

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Tokyo, Japan

Honoka Atsuchi