Plastic capacitor
First Claim
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1. A capacitor, comprising a dielectric formed of a plastic film of a plastic material in which film ceramic particles are dispersed, wherein said plastic film is manufactured by the process comprising the steps of:
- coating the ceramic particles with wax;
dispersing the wax-coated ceramic particles in the plastic material when the plastic material is in a molten state; and
extruding the molten plastic material, in which the ceramic particles have been dispersed, into said film.
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Abstract
The present invention is directed by a capacitor comprising of dielectrics formed of a plastic film in which ceramic particles are dispersed. The plastic film is manufactured by the processes comprising the steps of coating the ceramic particles with wax, dispersing the wax-coated ceramic particles in a molten plastic, and extruding the molten plastic in which ceramic particles are dispersed into a think film.
23 Citations
20 Claims
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1. A capacitor, comprising a dielectric formed of a plastic film of a plastic material in which film ceramic particles are dispersed, wherein said plastic film is manufactured by the process comprising the steps of:
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coating the ceramic particles with wax;
dispersing the wax-coated ceramic particles in the plastic material when the plastic material is in a molten state; and
extruding the molten plastic material, in which the ceramic particles have been dispersed, into said film. - View Dependent Claims (2, 3, 4)
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- 5. A dielectric for use in a capacitor, said dielectric comprising a film made of a plastic material containing therein dispersed ceramic particles, said ceramic particles being coated with a wax.
- 19. A capacitor, comprising a multilayer sheet having electrode foils and dielectric films alternately placed one upon another, each of said dielectric films is made of a plastic material containing therein dispersed ceramic particles, said ceramic particles being coated with a wax.
Specification