Patent ID: 7242570
Filing Date: 2007-07-10
Classification: H01G

Abstract:
1. A vacuum capacitor comprising: an insulating cylinder having first and second ends which are opposite to each other; a stationary-side flange installed to the first end of the insulating cylinder; a stationary electrode supporting plate installed to an inner surface side of the stationary-side flange; a movable-side flange installed to the second end of the insulating cylinder; a movable electrode supporting plate installed to an inner surface side of the movable-side flange through an electrostatic capacity adjusting screw and movable relative to the stationary electrode supporting plate by turning of the electrostatic capacity adjusting screw; and a diaphragm sealingly connected between the movable-side flange and the movable electrode supporting plate, the diaphragm having corrugation and defining a vacuum side and an atmospheric side in the vacuum capacitor.