Quotables
"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"
The Quarterly Review ; March edition, 1825
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7206188 | System and method for level control of an encapsulant for capacitor sections A self protected fluid filled capacitor that includes a capacitor section. Preferably, the capacitor section is configured to attach to a cover that can be placed on a capacitor housing. The capacitor contains an insulating fluid that surrounds the capacitor section... | 04/17/2007 |
| 7172806 | Monolithic ceramic electronic component A sintered ceramic has a porosity of greater than about 30 percent and less than about 80 percent by volume. Pores are filled with an epoxy resin. A filling factor of the epoxy resin is about 40 percent by volume or more. A monolithic ceramic electronic component ha... | 02/06/2007 |
| 7135754 | Chip type solid electrolytic capacitor having a small size and a simple structure In a chip type solid electrolytic capacitor including a capacitor element and a packaging resin covering the capacitor element, the packaging resin has a mount surface and a side surface adjacent to the mount surface. A terminal is electrically connected to the capa... | 11/14/2006 |
| 7048875 | High oleic acid oil compositions and methods of making and electrical insulation fluids and devices comprising the same High oleic acid triglyceride compositions that comprise fatty acid components of at least 75% oleic acid, less than 10% diunsaturated fatty acid component; less than 3% triunsaturated fatty acid component; and less than 8% saturated fatty acid component; and having ... | 05/23/2006 |
| 7030443 | MIM capacitor A MIM (metal-insulator-metal) capacitor is provided with a substrate; a first metal area; a second metal area formed between the substrate and the first metal area; and a first insulating layer formed between the first metal area and the second metal area; wherein a... | 04/18/2006 |
| 7027285 | Vented Capacitor A technique of increasing the corona inception voltage (CIV), and thereby increasing the operating voltage, of film/foil capacitors is described. Intentional venting of the capacitor encapsulation improves the corona inception voltage by allowing internal voids to e... | 04/11/2006 |
| 6916773 | Non-surfactant solubilizing agent Compositions of the invention include: (a) a solvent having a hydrophilic-lipophilic balance (HLB) value of 5 to 7; and (b) a solubilizing agent having the formula: where R is aryl, cycloaryl, heteroaryl or hetercyclyl... | 07/12/2005 |
| 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 |
| 6909590 | High voltage capacitor and magnetron A capacitor has electrodes at surfaces thereof, with one of the electrodes secured onto one surface of a grounding metal. Through conductors pass through the capacitor and the grounding metal and are connected to the other electrodes so as to achieve electrical cont... | 06/21/2005 |
| 6905638 | Vegetable oil based dielectric fluid and methods of using same In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that incorporate a ... | 06/14/2005 |
| 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 |
| 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 |
| 6333857 | Printing wiring board, core substrate, and method for fabricating the core substrate A printed wiring board includes a core substrate including a laminated capacitor. The laminated capacitor includes a plurality of composite dielectric layers and a plurality of metal layers stacked alternately. Three types through-hole conductors are prov... | 12/25/2001 |
| 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 |
| 6048618 | Impregnating compounds for self-healing capacitors The present invention relates to the use of insulating fluids, selected from the group consisting of aliphatic esters, alkylbenzenes, crosslinkable compositions comprising at least one polydiene polyol, at least one polyisocyanate and at least one chemica... | 04/11/2000 |
| 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 |
| 5731948 | High energy density capacitor A high energy density, high power density capacitor having an energy density of at least about 0.5 J/cm3 is provided. The capacitor comprises a plurality of interleaved metal electrode layers separated by a polymer layer. The interleaved metal ... | 03/24/1998 |
| 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 |
| 5545355 | Dielectric compositions comprising benzyltoluene/(Methylbenzyl) xylene isomers Novel dielectric liquids for such electrical components as transformers, capacitors and cables, especially adopted for low temperature applications, comprise a mixture of benzyltoluene and (methylbenzyl)xylene isomers, notably a mixture of benzyltoluene/d... | 08/13/1996 |
| 5384684 | Metallized plastic film capacitor An MF capacitor of an oil impregnation type, whose durability in constant voltage application is so high that it is suitable for practical use. The metallized plastic film is impregnated with an electrically insulating oil composition obtained by adding 5... | 01/24/1995 |
| 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 |
| 5113029 | Electric insulating oil composition A new electrical insulating oil composition having improved low temperature characteristics which composition comprises a mixture of 40% by weight or more of benzyltoluene and the remainder of alkyl substituted diphenylmethane having 15 to 17 carbon atoms... | 05/12/1992 |
| 5107395 | Method of producing insulating oil comprising dibenzylbenzene An insulating oil comprising dibenzylbenzenes which is most suitably used for impregnating a metallized plastic film capacitor, is produced by the reaction of benzene or toluene with diphenylmethane or a methyl derivative thereof at 170° C. to 400° C. i... | 04/21/1992 |
| 5015793 | Electrical insulating oil composition An electrical insulating oil composition having good low temperature characteristics which comprises at least 4 members selected from the group consisting of (a) m-ethylbiphenyl, (b) p-ethylbiphenyl, (c) o-benzyltoluene, (d) m-benzyltoluene, (e) p-benzylt... | 05/14/1991 |
| 4994783 | Electronic device fabrication on non-conductive polymer substrate A process for fabricating an electronic device on a non-conductive polymer substrate, particularly from the family of polyaniline, comprises applying a covalent doping agent, such as an R+ donor compound, where R is an organic group, e.g., meth... | 02/19/1991 |
| 4982025 | Electrical insulating oil comprising improved fraction An electrical insulating oil mainly comprising a fraction having excellent low temperature characteristics, said fraction being prepared by bringing a by-product oil fraction containing diphenylmethane and 1,1-diphenylethane into contact with alkylbenzene... | 01/01/1991 |
| 4967028 | Electrical insulating oil composition and electrical appliances impregnated therewith The present invention relates to an improved electrical insulating oil composition which has excellent electrical characteristics and is suitable for use in impregnating electrical appliances in which plastic dielectric material is used, and further relat... | 10/30/1990 |
| 4931900 | Dielectric fluid for a metallized film capacitor A zinc metallized film capacitor includes a dielectric fluid comprising epoxidized soybean oil having at least one epoxy group per molecule, preferably four epoxy groups per molecule. Utilizing epoxidized soybean oil with zinc metallization results in a s... | 06/05/1990 |
| 4873611 | Electrically insulating fluids An electrical capacitor which contains a dielectric fluid, said fluid consisting essentially of ditolylmethane.... | 10/10/1989 |
| 4870221 | Oil-filled capacitor An improved oil-filled capacitor which is excellent in low temperature characteristics. The oil-filled capacitor is composed of at least partially a plastics material and is impregnated with an electrical insulating oil which oil is characterized in that ... | 09/26/1989 |
| 4802058 | Novel method for refining electrical insulating oil The present invention relates to a method for refining an electrical insulating oil by refining a heavy by-product oil obtained in the preparation of ethylbenzene or ethyltoluene. The method comprises distilling off the lighter components from the by-prod... | 01/31/1989 |
| 4787010 | Impregnation and encapsulating material A capacitor in which the capacitive element is impregnated and encapsulated by a composition having a softening point above the normal operating temperature of the capacitor and below the temperature that would occur following a failure of the capacitive ... | 11/22/1988 |
