Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1985-04-25
1987-08-04
Griffin, Donald A.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
29 2542, H01G 113, H01G 700
Patent
active
046850260
ABSTRACT:
An improved metallized wrapped capacitor pressed into a predetermined cross-sectional form substantially without edge radii, together with its method of manufacture are disclosed. The capacitor is formed from elongated mated dielectric webs, each having an electrode deposited on its face. The webs are superposed and rolled into a coil having concentric turns. The coil is pressed into a mold to derive a cross-section that mates with electrically conductive end caps. The end caps are affixed physically and electrically at each end of the formed capacitor element. The entire assembly with the exception of portions of the end caps are subjected to vacuum impregnation of epoxy resin to provide physical strength and to provide environmental protection. A form of coil mold is described.
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Electronic Concepts Inc.
Griffin Donald A.
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