Class / Patent application number | Description | Number of patent applications / Date published |
361323000 | Plastic | 28 |
20080278888 | METALLIZED PLASTIC FILM AND FILM CAPACITOR - A metallized plastic film is formed by winding two sheets of film vapor-deposited with an electrode metal as one group and a film capacitor, comprising; three individual splittings of electrode metal by predetermined width and length and then adjoining of splitting parts. Accordingly, self-heating of the film capacitor can be restrained and a capacitance reduction rate caused by the operation of the fuse parts can be reduced. | 11-13-2008 |
20090154058 | POLYMER BASED SOLID STATE CAPACITORS AND A METHOD OF MANUFACTURING THEM - The present invention relates to a solid state capacitor having a conductive polymer cathode layer counter electrode comprising acrylate binder and a method for its manufacture. In particular the present invention relates to a solid state capacitor comprising: providing a porous anode body of valve action material; forming a dielectric layer on said porous body; forming a cathode layer in contact with said dielectric layer, which cathode layer comprises a conductive polymer and an acrylic binder; and providing an anode terminal in electrical connection with the porous body anode and a cathode terminal in electrical connection with the cathode layer and a method for its manufacture. | 06-18-2009 |
20100027192 | COATED METAL OXIDE NANOPARTICLES AND METHODS FOR PRODUCING SAME - Disclosed are coated metal oxide nanoparticles comprising a metal oxide nanoparticle having a surface; and ligands attached to the metal oxide nanoparticle surface. Also disclosed are phosphonic acid compounds comprising the structure Gn-R-Xn, wherein G is a terminal group; wherein R is a bridging group; wherein X is a phosphonic acid group; and wherein each n is, independently, 1, 2, or 3. Also disclosed are methods for preparing and using coated metal oxide nanoparticles. Also disclosed are nanocomposite compositions comprising a polymer; and a coated metal oxide nanoparticle dispersed within the polymer. Also disclosed are articles, films, and capacitors comprising a coated metal oxide nanoparticle or a nanocomposite composition. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 02-04-2010 |
20100046141 | METHOD FOR COATING A POROUS ELECTRICALLY CONDUCTIVE SUPPORT MATERIAL WITH A DIELECTRIC - The invention relates to the production of a coating of a porous electrically conductive support material ( | 02-25-2010 |
20100067172 | HIGH ELECTRIC ENERGY DENSITY POLYMERIC COMPOSITIONS, METHODS OF THE MANUFACTURE THEREFOR, AND ARTICLES COMPRISING THE SAME - Examples of the present invention relate generally to high electric energy density polymer film capacitors with high charge-discharge efficiency and fast discharge speed. For example, a high energy density polymer capacitor may be fabricated using a polymer blend comprising one or more high dielectric constant PVDF-based polymers (including homopolymers, copolymers and/or terpolymers) and one or more other polymer with low dielectric loss and high volume resistivity compared to the one or more PVDF-based polymers. An example film capacitor may comprise a high temperature fluoropolymer with dielectric loss lower than 0.2% and good film manufacturability. Polymer films can be stretched and orientated at least in one direction to make thinner films with improved performance. Film capacitors can be made by winding metallized films, plain films with metal foils, or using a hybrid construction where the dielectric films comprise the new compositions. Capacitors can also have a multilayer construction where the films are metallized. | 03-18-2010 |
20100110609 | HIGHLY DIELECTRIC FILM HAVING HIGH WITHSTANDING VOLTAGE - The present invention relates to a highly dielectric film formed by using (A) a fluorine-containing resin comprising vinylidene fluoride unit and tetrafluoroethylene unit in a total amount of not less than 95% by mole, and provides a film for a film capacitor which has high dielectric property and high withstanding voltage and can be made thin. | 05-06-2010 |
20100134953 | ELECTRICAL INSULATION FILM - The present invention relates to a capacitor film comprising a biaxially oriented polypropylene wherein a) said polypropylene has a draw ratio in machine direction of at least 4.0 and a draw ratio in transverse direction of at least 4.0, and b) said polypropylene has an electrical breakdown strength EB63% according to IEC 60243-part 1 (1988) of at least 300 kV/mm at a draw ratio in machine direction and in transverse direction of 4.0. | 06-03-2010 |
20100172066 | MULTILAYER POLYMER DIELECTRIC FILM - A multilayer polymer dielectric film includes a coextruded first dielectric layer and second dielectric layer. The first dielectric includes a first polymer material and the second dielectric layer includes a second polymer material. The first dielectric layer and the second dielectric layer defining an interface between the layers that delocalizes charges in the layers. | 07-08-2010 |
20100195267 | POLYMER MEMORY AND METHOD OF ITS FABRICATION - An embodiment mitigates one or more of the limiting factors of fabricating polymer ferroelectric memory devices. For example, an embodiment reduces the degradation of the ferroelectric polymer due to the polymer's reaction with, and migration or diffusion of, adjacent metal electrode material. Further, the ferroelectric polymer is exposed to fewer potentially high temperature or high energy processes that may damage the polymer. An embodiment further incorporates an immobilized catalyst to improve the adhesion between adjacent layers, and particularly between the electrolessly plated electrodes and the ferroelectric polymer. | 08-05-2010 |
20100202100 | HIGHLY DIELECTRIC FILM - There is provided a highly dielectric film which has highly dielectric property, can be made thin, being excellent in winding property (flexibility) and assures a small dielectric loss, and the highly dielectric film comprises a vinylidene fluoride type polymer (A), and compound oxide particles (B) represented by the formula: M | 08-12-2010 |
20100246094 | METHODS FOR IMPROVING THE DIELECTRIC PROPERTIES OF A POLYMER, AND RELATED ARTICLES AND DEVICES - 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. | 09-30-2010 |
20100271755 | IONIC POLYMER METAL COMPOSITE CAPACITOR - An ionic polymer metal composite (IPMC) capacitor is disclosed which includes a thin single layer non-hydrated ionic polymer substrate with conductive film electrodes applied to at least a portion of each side of the non-hydrated ionic polymer substrate. The disclosed capacitor is suited for providing thin capacitance structures made to substantially any desired dimensions and shape and may be particularly suited for short term power storage in low power electronics, sensors, micro-electronics, MEMs and high temperature applications. A method of manufacturing an IPMC capacitor is also disclosed including providing a thin single layer non-hydrated ionic polymer substrate, applying a conductive film electrode to both sides of the substrate, and attaching electrical connections to the electrodes. The disclosed method of manufacture may optionally also include heat curing the capacitor and coating the capacitor with at least one moisture-resistant protective coating layer. | 10-28-2010 |
20100302707 | COMPOSITE STRUCTURES FOR HIGH ENERGY-DENSITY CAPACITORS AND OTHER DEVICES - 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. | 12-02-2010 |
20110013343 | COATING COMPOSITION FOR FORMING HIGHLY DIELECTRIC FILM AND HIGHLY DIELECTRIC FILM - The present invention provides a nonporous highly dielectric film which can improve withstanding voltage, insulating property and dielectric constant, especially can decrease a dielectric loss at high temperatures and can be made thin, and a coating composition for forming the highly dielectric film comprising (A) a vinylidene fluoride resin, (B) a cellulose resin and (C) a solvent. | 01-20-2011 |
20110063776 | FABRICATION OF PASSIVE ELECTRONIC COMPONENTS - A method for fabrication of passive electronic components includes disposing a sacrificial layer on a carrier and forming a curable resin layer on top of the sacrificial layer and patterning the curable resin to form a cured resin template having multiple pattern levels. A metal material is deposited into the first pattern level to form a first structure. A dielectric material is then formed on exposed portions of the first structure. A nonselective subtractive process is used to expose the sacrificial layer in a bottom of the second pattern level and metal material is deposited into the second pattern level and built up to include a portion which crosses over the dielectric material. | 03-17-2011 |
20110216474 | Plastic Film Having a High Voltage Breakdown - A stretched film comprising a dispersion of at least one polyester and/or polycarbonate in a matrix of at least one polyester and/or polycarbonate different from the first polyester and/or polycarbonate, the percentage by weight of the dispersed polyester and/or polycarbonate in the dispersion being less than 50% and the dispersed polyester and/or polycarbonate being in the form of platelets. The stretched film can be used as a dielectric in a capacitor. | 09-08-2011 |
20110242729 | Monomers for preparing polycarbonate resins, methods of preparing the monomers, polycarbonate resins prepared with the monomers, and capacitors comprising the polycarbonate resins - A monomer and polycarbonate resin are provided, as are methods of making the monomer. The resin may be used to provide a thin film that has a higher dielectric constant and higher glass transition temperature, and similar breakdown strength and similar dissipation factor to films prepared from polycarbonate resins not so modified. The thin films, in turn, may advantageously be used to form, wholly or in part, articles such as capacitors, sensors, batteries, flexible printed circuit boards, keyboard membranes, motor/transformer insulations, cable wrappings, industrial tapes, interior coverage materials, and the like. In particular, a capacitor comprising the polycarbonate resin is also provided. | 10-06-2011 |
20110267739 | Polyimides and thin films, electronic articles and capacitors comprising these, and methods of making them - A polyimide resin is provided. The polyimide resin comprises the reaction product of a polyimide resin and an amine comprising a C | 11-03-2011 |
20110299222 | METHOD FOR MANUFACTURING RESIN FILM FOR THIN FILM-CAPACITOR AND THE FILM THEREFOR - The present invention provides a method for manufacturing a film for a film capacitor in which a film can be prepared by melt extrusion molding in a thin film having a thickness of 10 μm or less and in which a cost can be cut by simplifying a manufacturing step thereof and a film for a film capacitor. It is a method for manufacturing a film for a film capacitor comprising the steps of charging a melt extrusion molding equipment | 12-08-2011 |
20120262841 | FILM CAPACITOR ELEMENT, FILM CAPACITOR, AND METHOD OF PRODUCING THE FILM CAPACITOR ELEMENT - A film capacitor element is provided which has a smaller size and higher capacity while securing the sufficient withstand voltage at a high level and which can be efficiently produced. The film capacitor element including a laminated body including at least one dielectric film and at least one metal deposition film. The at least one dielectric includes at least one vapor-deposited polymer film. The at least vapor-deposited polymer film is formed by a deposition polymerization of a plurality of monomers each having a structure in which two benzene rings are linked via a linking group. | 10-18-2012 |
20120307419 | Polytetrafluoroethylene Film Capacitor - A capacitor having a first electrode, a second electrode, a dielectric layer of a PTFE film having a dielectric strength greater than about 500 V/um, a tensile strength of greater than about 10,000 psi (or, alternatively, a tensile yield strength of greater than about 2,000 psi), and a thickness less than about 20 microns disposed between the first electrode and the second electrode. | 12-06-2012 |
20130188293 | FILM FOR USE IN FILM CAPACITORS, AND FILM CAPACITORS - Provided is a film for a film capacitor in which electrical insulation, and especially electrical properties at high temperatures are improved while a high dielectric constant of a vinylidene fluoride resin is maintained. The film for a film capacitor includes a tetrafluoroethylene resin (a1) that includes a vinylidene fluoride unit and a tetrafluoroethylene unit in the vinylidene fluoride unit/tetrafluoroethylene unit ratio (mol %) of 0/100 to 49/51 as a film-forming resin (A). | 07-25-2013 |
20140016244 | BIAXIALLY STRETCHED POLYPROPYLENE FILM, METALLIZED FILM, AND FILM CAPACITOR - A biaxially stretched polypropylene film includes protrusions on both surfaces, in which the biaxially stretched polypropylene film has a thickness t1 of 1 μm to 3 μm, has a tensile strength in the machine direction of 120 MPa to 250 MPa, has a tensile strength in the transverse direction of 250 MPa to 400 MPa, has a minimum protrusion height P | 01-16-2014 |
20140268493 | BIAXIALLY STRETCHED POLYPROPYLENE FILM FOR CAPACITOR, METALLIZED FILM, AND FILM CAPACITOR - Provided is a biaxially stretched polypropylene film for capacitors which has high withstand voltage characteristics when used as a dielectric for capacitors and which has highly suitable processability into elements. The biaxially stretched polypropylene film for capacitors has projections on both surfaces and has a thickness (t1, μm) of 4-20 μm. When one of the surfaces is expressed by surface A and the other by surface B, all of the following relationships are satisfied. 800≦SRzB≦1,300 (nm) 0.1≦SRzA/SRzB≦0.8 PBmin≧100 (nm) PBmax≦1,500 (nm) 0.4≦PB450-750/PB≦0.7. | 09-18-2014 |
20150116904 | FILM CAPACITOR - A film capacitor includes a first electrode layer, a second electrode layer, and a dielectric film disposed between the first and second electrode layers. The dielectric film mainly contains a styrene polymer having a syndiotactic structure. The first electrode layer includes first small electrode segments and a first fuse which interconnects the first small electrode segments. A value obtained by dividing an area of each of the plurality of first small electrode segments by the third power of a thickness of the dielectric film is not smaller than 0.4×10 | 04-30-2015 |
20160027581 | BIAXIALLY ORIENTED POLYPROPYLENE FILM FOR CAPACITOR, METALLIZED FILM, AND FILM CAPACITOR - A biaxially orientated polypropylene film for capacitor includes protrusions on both surfaces. The biaxially orientated polypropylene film has a thickness (t1) of 1 to 3 μm, has a ten point average roughness (SRz) of 50 nm or more and less than 500 nm on both surfaces, and meets equations (1) and (2) where one surface and the other surface are referred to as a surface A and a surface B, respectively: | 01-28-2016 |
20170236641 | FURUTA CO-POLYMER AND CAPACITOR | 08-17-2017 |
20170236642 | para-FURUTA POLYMER AND CAPACITOR | 08-17-2017 |