H - Electricity – 01 – G
Patent
H - Electricity
01
G
334/1
H01G 5/06 (2006.01) H01G 5/01 (2006.01)
Patent
CA 1101946
PHN. 8700. 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. - 1 -
298309
Roozen Johan C.j.a.
Smit Jozephus J.m.
Wagemakers Adrianus J.
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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