| 摘要 |
PROBLEM TO BE SOLVED: To provide a central conductor assembly in the connection structure of high reliability, with which an electrode part can be surely and strongly connected not only electrically but also mechanically, and an irreversible circuit element using the same. SOLUTION: In the central conductor assembly, with which a plurality of central conductors with one terminal as a common terminal and the other terminal as an input/output terminal for high frequency signals are laminated and located on a magnetic substance equipped with first and second mutually confronted principal surfaces and a side face linking the relevant principal surfaces and a ground electrode and an external input/output electrode are formed on the second principal surface, the input/output terminal of each of the central conductors in the central conductor assembly is connected with the external input/output electrode through a via hole.
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