Abstract: A cyanoresin polymer is described, wherein about 10 percent to about 60 percent of the side chains on the polymer include a cyano group; and substantially all of the remaining polymer side chains include a hydroxyl group. A method of forming such a cyanoresin polymer is described. A capacitor having a dielectric film including such a cyanoresin polymer is also presented.

Abstract: A smart capacitor includes a main capacitor having at least one intelligence mechanism selected from a prognostics mechanism and a high speed protection mechanism integrated within the main capacitor. The at least one intelligence mechanism and the main capacitor are together configured to generate at least one type of output signal selected from long term induced failure mechanism signals and sudden capacitor failure condition signals in response to desired input signals.

Abstract: A nonlinear composition comprises a polymeric material and at least one ferroelectric, antiferroelectric, or paraelectric particle, wherein the composition has a permittivity greater than or equal to about 5. A method of making a nonlinear composition comprises combining a polymeric material, and at least one ferroelectric, antiferroelectric, or paraelectric particle. The composition has a permittivity greater than or equal to about 5.

Abstract: Disclosed herein is a composition comprising a composition comprising a polymeric material; and a ceramic antiferroelectric particle. Disclosed herein too is a method of tuning a dielectric constant of a composition comprising subjecting a composition comprising a polymeric material and a ceramic antiferroelectric particle to a biasing electric field; and changing the dielectric constant of the composition. Disclosed herein too is a method comprising blending a polymeric material with ceramic antiferroelectric particles to form a composition. Disclosed herein too is a method comprising blending a polymeric material with ceramic antiferroelectric particles to form a composition; applying an electrical field to the composition; and reorienting the ceramic antiferroelectric particles.

Abstract: A power converter utilizes one or more nonlinear composite film capacitors constructed solely of polymer anti-ferroelectric (AFE) particle composites and configured as DC-link bus capacitors providing an energy buffer to reduce DC-link voltage ripple.

Abstract: An article having a cyanoresin dielectric film is described. The cyanoresin dielectric film includes nanostructures of a toughening material. A method of forming such a cyanoresin dielectric film is also described. A capacitor having a cyanoresin dielectric film is presented.

Abstract: Disclosed herein is an article comprising an electrical component; and an electrically insulating layer disposed upon the electrical component, wherein the electrically insulating layer comprises a thermosetting polymer and a nanosized filler; wherein the nanosized filler comprises metal oxide and diamond nanoparticles that have an average largest dimension of less than or equal to about 200 nanometers.

Abstract: A film capacitor including a pair of electrodes having multiple pores is provided. The film capacitor includes a polymer film deposited upon each of the pair of electrodes to form a dielectric layer.

Abstract: In one aspect of the present invention, an article is described, including a polymer layer; and a composite layer disposed on the polymer layer. The composite layer includes a thermoplastic polymer, which contains at least one inorganic component having selected dimensions; wherein the largest dimension of the inorganic component is less than about 1 micrometer. The composite layer has a dielectric constant, which is at least about 30 percent greater than the dielectric constant of the polymer layer. The article has a breakdown strength of at least about 150 kV/mm. Related devices are also described.

Abstract: A smart capacitor includes a main capacitor having at least one intelligence mechanism selected from a prognostics mechanism and a high speed protection mechanism integrated within the main capacitor. The at least one intelligence mechanism and the main capacitor are together configured to generate at least one type of output signal selected from long term induced failure mechanism signals and sudden capacitor failure condition signals in response to desired input signals.

Abstract: An electromagnetic interference shielding composite is provided. The electromagnetic interference shielding composite comprises: a high permittivity polymer having a permittivity of at least about 5; a plurality of magnetic particles dispersed within the high permittivity polymer; and a plurality of dielectric particles dispersed within the high permittivity polymer. In another embodiment, an article comprising a device susceptible to electromagnetic radiation and a shielding material disposed to shield the device from electromagnetic radiation is provided. The shielding material comprises, a high permittivity polymer; a plurality of magnetic particles dispersed within the high permittivity polymer; and plurality of dielectric particles dispersed within the high permittivity polymer.

Abstract: A film capacitor including a first electrode is provided. The film capacitor also includes a first dielectric layer having a first dielectric constant disposed upon a first electrode, a second dielectric layer having a second dielectric constant disposed upon the first dielectric layer, wherein the second dielectric constant is at least fifty percent greater than the first dielectric constant, and a metalized film disposed upon the second dielectric layer. It further includes a second electrode disposed upon the metalized film.

Abstract: High-temperature, multiple-layer polymer (MLP) capacitors with a stacked electrode arrangement are disclosed. The capacitor electrodes are separated by a polymer dielectric that is stable at high temperatures. In some embodiments, the polymer dielectric also has a high permittivity and is filled with high-permittivity nanoparticles, which enables the capacitor to achieve a very high capacitance density.

Abstract: In one aspect of the present invention, a method for increasing the dielectric breakdown strength of a polymer is described. The method comprises providing the polymer and contacting a surface of the polymer in a reaction chamber with a gas plasma, under specified plasma conditions. The polymer is selected from the group consisting of a polymer having a glass transition temperature of at least about 150° C., and a polymer composite comprising at least one inorganic constituent. The contact with the gas plasma is carried out for a period of time sufficient to incorporate additional chemical functionality into a surface region of the polymer film, to provide a treated polymer. Also provided are an article and method of manufacture.

Abstract: Disclosed herein is a method of making a polymer composite composition comprising blending a polymeric material precursor with nanoparticles, wherein each nanoparticle comprises a substrate and a coating composition disposed on the substrate; and polymerizing the polymeric material precursor to form a polymeric material, wherein the nanoparticles are dispersed within the polymeric material to form a polymer composition.

Abstract: An insulator for a vacuum tube is disclosed and includes an electrically insulative bulk material and a first antiferroelectric coating applied to a first portion of the bulk material.

Abstract: An electronic device is provided that includes an electronic component or passive components; an electrically conductive circuit coupled to the electronic component; and a protection device coupled to the circuit. The protection device is operable to route a voltage or current away from the electronic component if the voltage or the current applied to the circuit is above a determined threshold voltage or determined threshold current.

Abstract: Disclosed herein is a composition comprising a polymeric material; and non-linear dielectric ceramic fillers; wherein the non-linear dielectric ceramic fillers have a dielectric constant that is greater than or equal to about 100 and wherein the dielectric constant of the composition is tunable. Disclosed herein too is a composition comprising a polymeric material; and perovskites; wherein the dielectric constant of a composition is tunable and further wherein the composition has a dielectric constant of about 2 to about 100. Disclosed herein too is a method comprising blending a polymeric resin with non-linear dielectric ceramic fillers to form a composition; wherein the non-linear dielectric ceramic fillers have a dielectric constant of greater than or equal to about 100 and wherein the dielectric constant of the composition is tunable.

Abstract: A modular insulator assembly for an x-ray tube includes an annular insulator having a cylindrical perimeter wall, the insulator constructed of an electrically insulative material. A wall member is fixedly attached to and extending beyond the cylindrical perimeter wall, and a first shield positioned adjacent to the wall member and having an end extending proximate a corner formed by the wall member and the insulator.

Abstract: A capacitor comprises a substrate layer, a first electrode layer disposed on the substrate layer, and a first dielectric layer disposed on the electrode layer. The dielectric layer comprises inorganic ferroelectric or antiferroelectric particles, and a polymeric material having an elongation less than or equal to about 5 percent.