Abstract: A capacitor header having the mechanical characteristics of a modulus of elasticity in the range from 50,000 to 200,000 psi and a tensile strength in the range from 3,500 to 80,000 psi has pressure formed therein on the aluminum terminal of which portions thereof have been increased in the range of 0.002 to 0.020 inch larger than the holes provided in the header.

Abstract: A power factor capacitor made with case to housing insulation of thin electrical grade polypropylene in multilayers to greatly exceed basic impulse level voltage test requirements.

Abstract: A capacitor header having the mechanical characteristics of a modulus of elasticity in the range from 50,000 to 200,000 psi and a tensile strength in the range from 3,500 to 80,000 psi has pressure formed therein on the aluminum terminal of which portions thereof have been increased in the range of 0.002 to 0.020 inch larger than the holes provided in the header.

Abstract: An essentially non-aqueous electrolyte composition for aluminum-anode capacitors is disclosed comprising ethylene glycol and a salt such as the ammonium or amine salt of an unsaturated dicarboxylic acid with or without a small amount of an additive such as boric acid, phosphoric acid, ammonium dihydrogen phosphate, ammonium pentaborate, ammonium phosphate and mixtures thereof. The electrolyte offers high electrical conductivity, and greatly increased stability and shelf life, under conditions of no voltage, for low voltage capacitors having high capacitance ratings. In one embodiment, the combination of ethylene glycol, as the solvent, with between about 0.001 to 0.1 mole of unsaturated dicarboxylic acid per mole of ethylene glycol and about 0.001 to 0.1 mole of the salt per mole of ethylene glycol is used. Other embodiments are disclosed.