| 摘要 |
PROBLEM TO BE SOLVED: To provide a shielded stripline element suitable for a power decoupling element of a high-speed digital circuit, by realizing characteristics as near as characteristics of a power source impedance as near as zero irrespective of the frequency, and to provide a method for manufacturing the same. SOLUTION: The shielded stripline element comprises a valve action metal 10 having a dielectric oxide film 20, a pair of anode leading terminals 11, 12 provided at different positions of the metal 10, and a conductive substance layer 30 disposed so as to surround the periphery of the metal 10 via the film 20. The layer 30 preferably has a conductive polymer layer 31 made of polypyrole, polythiophene, polyaniline or the like. The metal 10 is formed in a U shape to thereby form the layer 31 by dipping, and hence the manufacturing process is simplified.
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