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| Number | Title | Issue Date |
| 7719818 | Material for forming capacitor layer and method for manufacturing the material for forming capacitor layer An object of the present invention is to provide a material for forming a capacitor layer comprising a dielectric layer formed by any one of a sol-gel method, an MOCVD method, and a sputtering deposition method. The material can reduce a leakage current of a capacit... | 05/18/2010 |
| 7289312 | Electrical charges storage device having enhanced power characteristics The present invention relates generally to an electrical charge storage device (ECSD) with enhanced power characteristics. More particularly, the present invention relates to enhancing the current density, voltage rating, power transfer characteristics, frequency re... | 10/30/2007 |
| 7170738 | HV capacitor and testing method A high voltage capacitor design is provided that provides improved performance. The high voltage capacitor includes a stack of mechanically joined capacitor cells, which in one variant utilize a separator formed of two layers of paper. In one version, the high volta... | 01/30/2007 |
| 7158365 | Method of producing a multilayer microelectronic substrate A method of producing a multilayer microelectronic substrate, in which: a) a number of thermally combinable films with a first compression temperature are provided; b) at least one film with a second compression te... | 01/02/2007 |
| 7145763 | High-voltage electric double layer capacitor The present invention relates to a high-voltage electric double layer capacitor (EDLC), and more particularly, to an EDLC in which a surge voltage and an operating voltage are enhanced by improving the structure of a unit cell. The EDLC according to the present inve... | 12/05/2006 |
| 6954349 | Metallized film capacitor A metallized film capacitor is made by winding or laminating a both-side metallized polypropylene (PP) film and a non-metallized PP film. Limiting the heat shrinkage factor and the thickness of the PP films, the position of deposited electrodes, and the rate of the ... | 10/11/2005 |
| 6917512 | Oil-impregnated film capacitor and preparation method thereof Different from conventional so-called mix-type film capacitors involving several disadvantages, in which the dielectric layers consist of a combination of a dielectric plastic resin film and an insulating paper sheet, the invention provides an all-film oil-impregnat... | 07/12/2005 |
| 6916550 | Method of manufacturing a metal matrix composite structure A method for mechanically cutting a continuous circular shaped groove in a foil sheet for use in a metal matrix composite product. In one form the foil sheet is held adjacent a rotating machine tool by vacuum and a cutting tool is moved relative thereto to cut a spi... | 07/12/2005 |
| 6815085 | Printed circuit board capacitor structure and method A capacitive element for a circuit board or chip carrier is formed from a pair of conductive sheets having a dielectric component laminated therebetween. The dielectric component is formed of two or more dielectric sheets, at least one of which can be partially cure... | 11/09/2004 |
| 6739027 | Method for producing printed circuit board with embedded decoupling capacitance A method is provided for producing a capacitor to be embedded in an electronic circuit package comprising the steps of selecting a first conductor foil, selecting a dielectric material, coating the dielectric material on at least one side of the first conductor foil... | 05/25/2004 |
| 6724610 | Capacitor element for a power capacitor and also a power capacitor comprising such a capacitor element A capacitor element for a power capacitor having a two foils (3, 5) of metal forming a pair of electrodes, and also films (2a, 2b, 4a, 4b) of dielectric material forming the dielectric medium of the capa... | 04/20/2004 |
| 6673461 | Multilayer ceramic capacitor and method for manufacturing same A multilayer ceramic capacitor is formed by alternately stacking a plurality of dielectric layers and a multiplicity of internal electrodes, which are connected to a pair of external electrodes. Each of the dielectric layers is obtained from a dielectric ... | 01/06/2004 |
| 6594134 | Polymer film capacitor A polymer film capacitor is provided, utilizing a metallized film formed by a first vacuum-formed plasma treated surface, a vacuum-deposited, first radiation polymerized acrylate monomer film having first and second surfaces, the first surface being dispo... | 07/15/2003 |
| 6585917 | Dielectric fluid A dielectric fluid with improved performance in capacitors contains 65% by weight or more monobenzyltoluene. Capacitors including the dielectric fluid can have improved discharge extinction voltages at 60° C.... | 07/01/2003 |
| 6403685 | Adhesive, elastomeric gel impregnating composition An improved capacitor roll with alternating film and foil layers is impregnated with an adhesive, elastomeric gel composition. The gel composition is a blend of a plasticizer, a polyol, a maleic anhydride that reacts with the polyol to form a polyester, a... | 06/11/2002 |
| 6344962 | High voltage capacitor and magnetron Through conductors pass through a capacitor and a grounding member. Insulating tubes cover the through conductors respectively. An insulating case is provided at one surface of the grounding member. An insulating cover is provided at an opposite surface o... | 02/05/2002 |
| 6313978 | Fluid-filled capacitor with pressure interrupter means and internal compressible air chamber A capacitor has a polymer housing and a wound metallized film capacitive element received in the housing, with leads connected to terminals on the cover of the housing through a pressure responsive interrupter assembly. An air chamber is provided in the h... | 11/06/2001 |
| 6310760 | Adhesive, elastomeric gel impregnating composition An improved capacitor roll with alternating film and foil layers is impregnated with an adhesive, elastomeric gel composition. The gel composition is a blend of a plasticizer, a polyol, a maleic anhydride that reacts with the polyol to form a polyester, a... | 10/30/2001 |
| 6265058 | Polymer/paper capacitor film The present invention is a dielectric film, and method for making the film, suitable for use in the construction of capacitor devices, including wound capacitors. In order to overcome strength limitations associated with polymers having desirable dielectr... | 07/24/2001 |
| 6256850 | Method for producing a circuit board with embedded decoupling capacitance A method is provided for producing a capacitor to be embedded in an electronic circuit package comprising the steps of selecting a first conductor foil, selecting a dielectric material, coating the dielectric material on at least one side of the first con... | 07/10/2001 |
| 6154357 | Process for impregnation of electrical capacitors The invention relates To a process for the impregnation of electrical capacitors which includes performing the impregnation of the coil winding with a dielectric fluid, eliminating the excess of the dielectric fluid, filling the casing containing the impr... | 11/28/2000 |
| 6072394 | Resonance circuit tag, method for production thereof and method for changing resonance characteristic thereof The present invention provides a resonance circuit tag that comprises an insulating substrate and a resonance circuit formed on the substrate. Additionally, the resonance circuit contains at least a capacitor and an inductor. Further, a dielectric of the ... | 06/06/2000 |
| 6018454 | Metallized film, a production method thereof, and a capacitor using it A metallized film including a polymer film, a metal layer having a surface resistance of about 1 Ω/sq. to about 15 Ω/sq. deposited on a portion of the polymer film, the polymer film having another portion defined as a margin having a surface resistance ... | 01/25/2000 |
| 6014308 | Metallized polymer film capacitor having a high viscosity polyurethane oil insulating fluid A metallized film capacitor is provided with a polyurethane oil insulating fluid. The insulating fluid has a viscosity in the range of about 500 to 3000 poise at 25° C. The polyurethane oil insulating fluid is produced by reacting an organic polyisocyana... | 01/11/2000 |
| 5774326 | Multilayer capacitors using amorphous hydrogenated carbon A method of fabricating a multilayer capacitor includes depositing a plurality of electrode layers on a substrate alternately with a plurality of amorphous hydrogenated carbon dielectric layers, forming at least two holes in the electrode and dielectric l... | 06/30/1998 |
| 5737179 | Metallized film capacitor Sheet capacitive materials for use in forming a thin-film capacitor comprise an electrically nonconductive substrate, a layer of electrically conductive material disposed a surface of the substrate, and a layer of electrically nonconductive material dispo... | 04/07/1998 |
| 5729425 | High voltage capacitor and magnetron having porcelain dielectric material The present invention is directed to a high voltage capacitor and a magnetron which can reduce the weeping noise resulting from the electrostriction phenomenon while maintaining the function as a filter. A capacitor constituted with a dielectric porcelain, is ... | 03/17/1998 |
| 5724222 | Biaxially oriented polypropylene film and a capacitor made thereof The present invention relates to a biaxially oriented polypropylene film and a capacitor made thereof. The biaxially oriented polypropylene film of the invention is a biaxially oriented polypropylene film that is 98-99.5% in isotacticity, above 99% in iso... | 03/03/1998 |
| 5719742 | Metallized plastic film capacitor A metallized plastic film capacitor is here disclosed which is impregnated with an electrically insulating oil composition comprising 10 to 95% by weight of an aromatic hydrocarbon having at least 3 benzene rings and 90 to 5% by weight of an olefin oligom... | 02/17/1998 |
| 5708558 | Capacitor having dielectric material containing calcium oxide A metalized film capacitor has a plurality of electrodes separated by dielectric spacers and contains a dielectric fill system including 1 to 50 wt % of calcium oxide scavenger. This dielectric fill system is especially useful in aluminum metalized film c... | 01/13/1998 |
| 5606486 | Capacitor employing plural materials for dielectric A capacitor employing plural dielectric materials between oppositely facing, distinctly electrically connected plates, or employing interspersed plural dielectric materials outside the space between oppositely facing, distinctly electrically connected pla... | 02/25/1997 |
| 5495386 | Electrical components, such as capacitors, and methods for their manufacture An improved electrical component, such as a capacitor, is fabricated from a porous plug formed from metal impregnated with a ceramic material. In the case of a capacitor, the ceramic material is a dielectric composition. A metal which does not oxidize at ... | 02/27/1996 |
| 5349493 | Electrical capacitor An electrical film capacitor in which a pair of metal film electrodes and a porous layer are wound into an assembly, and in which the porous layer serves to wick a liquid dielectric into the wound assembly. The liquid dielectric is an adipic acid ester su... | 09/20/1994 |
| 4621301 | Dielectric fluid for a capacitor A dielectric fluid for a metallized film capacitor consisting essentially of glyceryl triacetate and 0.01 to 10 weight % of a hindered phenolic antioxidant of N,N'-bis[3-(3',5'-di-tert-butyl-4'-hydroxyphenyl)propionyl] hydrazine. The capacitor body includ... | 11/04/1986 |
| 4598335 | Impregnated wound capacitor An impregnated, wound capacitor comprises dielectric strips (1) which consists at least partially of plastic foils swelled by the impregnant. The electrodes of regenerably thin metal layers are connected at the end faces (S, S') of the capacitor coil with... | 07/01/1986 |
| 4521826 | Dielectric fluid for a compacitor In a capacitor, a dielectric fluid including 0 to about 10 wt. % of an antioxidant, 0 to about 10 wt. % of an epoxide stabilizer, the remainder essentially a compound with more than two stearate groups. The presently preferred compound of the dielectric f... | 06/04/1985 |
| 4509094 | Electrolytic capacitor for at least 150 V service An aluminum electrolytic capacitor capable of operation at 150 VDC or higher and 105° C. contains as its electrolyte a diisopropylamine or a triethylamine mono salt of azelaic acid dissolved in a solvent mixture of ethylene glycol, ethylene glycol and N-... | 04/02/1985 |
| 4482931 | Metallized capacitor with improved bilayer electrodes A high stress corrosion resistant metallized capacitor is disclosed having at least one electrode consisting of a metallic bilayer vapor deposited on a dielectric strip. In a preferred embodiment, a layer of aluminum is covered by a second metal layer whi... | 11/13/1984 |
| 4480286 | Capacitor case insulation and method of installation 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.... | 10/30/1984 |
| 4439812 | Impregnated capacitor foil Capacitor foil is passed between a lateral fluted roller and a backing plate to produce a rectangular foil strip having a closely spaced array of parrallel flutes transversely thereof, with part of the flute depth being impressed into the metal and part b... | 03/27/1984 |
