| 摘要 |
a ceramic dielectric (140) centrally provided with a through hole; upper and lower electrodes (131)(132) fixed on the upper and lower surfaces of the ceramic dielectric (140), respectively, and provided with the same through hole as in the ceramic dielectric (140); an insulating plate (113) inserted into the through hole of the ceramic dielectric (140) and the upper and lower electrodes (131)(132); a cylinderical conductor (110) inserted into the insulating plates (113) and piercing through the ceramic dielectric (140) and a shield case (100); a pair of insulating bushings (121) fitted into the end portion of the cylinderical conductor (110) projecting from the shield case (100) and associated with the outside of the shield case (100); and an external connect terminal (120) electrically connected to the end portion of the conductor (110) piercing through the insulating bushing (121).
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