Patent ID: 11909088
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A transmission line member comprising:
a base body extending along a transmission direction of a high-frequency signal; and
a first transmission line, a second transmission line, and a third transmission in the base body and sequentially connected along the transmission direction; wherein
the base body includes:
a first portion in which the first transmission line is provided;
a second portion in which the second transmission line is provided; and
a third portion in which the third transmission line is provided;

the first transmission line and the third transmission line include a first signal conductor;
the second transmission line includes a second signal conductor;
the second portion is connected between the first portion and the third portion;
a thickness of the second portion is smaller than a thickness of the first portion and a thickness of the third portion;
the second transmission line is a coplanar line and includes only a conductor pattern extending more in the transmission direction than in a direction of the thickness; and
a width of the second signal conductor is larger than a width of the first signal conductor.