发明名称 VARIABLE CAPACITOR
摘要 <p>PHN. 8700. A variable capacitor comprising a lower plate and an upper plate which are made of a synthetic material which is suitable for ultrasonic welding, said plates being provided with a number of engaging spacer columns which are integral with the plates and which are connected to each other by ultrasonic welding.</p>
申请公布号 CA1101946(A) 申请公布日期 1981.05.26
申请号 CA19780298309 申请日期 1978.03.02
申请人 N.V. PHILIPS'GLOEILAMPENFABRIEKEN 发明人 WAGEMAKERS, ADRIANUS J.;ROOZEN, JOHAN C.J.A.;SMIT, JOZEPHUS J.M.
分类号 H01G5/04;H01G5/01;H01G5/013;(IPC1-7):01G5/06 主分类号 H01G5/04
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