Variable capacitor

Electricity: electrical systems and devices – Electrostatic capacitors – Variable

Patent

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Details

29 2541, 361299, H01G 506

Patent

active

041931076

ABSTRACT:
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.

REFERENCES:
patent: 3002871 (1961-10-01), Tramm
patent: 3404322 (1968-10-01), Pepko
patent: 4089093 (1978-05-01), Lefeber

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