| 摘要 |
PROBLEM TO BE SOLVED: To provide a downsized nonreciprocal circuit element with excellent performance wherein the thickness of port parts and earth parts of center conductors is thick and the accuracy of the width dimension is improved. SOLUTION: In the nonreciprocal circuit element, since the port parts 8a, 9a, 10a and the earth parts 8b, 9b, 10b of center conductors 8, 9, 10 are provided in a groove 6e comprising recessed parts formed in side faces 6b, 6c of a ferrite member 6, the width dimension of the port parts 8a, 9a, 10a and the earth parts 8b, 9b, 10b can be formed constant by the groove 6e formed in the side faces 6b, 6c of the ferrite member 6, consequently the accuracy of the width dimension can be improved and the electric performance can be enhanced and also, the thickness of the port parts 8a, 9a, 10a and the earth parts 8b, 9b, 10b is thickened by filling the groove 6e with conductive material, and therefore the nonreciprocal circuit element can be obtained wherein the connection reliability of the ferrite member 6 on corners is enhanced and breakage is hardly caused. COPYRIGHT: (C)2006,JPO&NCIPI
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