Patent application number | Description | Published |
20110017982 | ELEMENT FOR ELECTRONIC COMPONENT - A surface of an anode body made of a metal material having a valve action is oxidized so as to form a dielectric layer, a conductive polymer precursor solution is stuck to the surface of the dielectric layer, the solvent is evaporated in an atmosphere of a relative humidity of 30 to 45% to be removed, electropolymerization is carried out so as to obtain a semiconductor layer having projections being 2 to 70 μm high on the outer surface thereof, a conductive carbon layer is laminated using a conductive carbon paste, and a conductive metal layer containing a metal conductive powder and a binder is laminated so as to obtain an element for an electronic component, and the element for an electronic component is encapsulated by a resin so as to obtain an electronic component. | 01-27-2011 |
20110069427 | METHOD FOR PRODUCING SOLID ELECTROLYTIC CAPACITOR - A method for producing a solid electrolytic capacitor, which comprises the steps of: | 03-24-2011 |
20110267741 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide a solid electrolytic capacitor comprising an anode body composed of a sintered body, in which ESR scarcely increases even after reflow at the time of mounting when compared with that before mounting, and a method for producing the same. Disclosed is a solid electrolytic capacitor comprising an anode body composed of a sintered body, a dielectric layer formed on a surface of the anode body, a semiconductor layer formed on the dielectric layer, wherein the semiconductor layer comprises a layer of a conductive polymer containing a sulfur element and a conductor layer formed on the semiconductor layer, wherein the conductor layer comprises a layer containing silver, wherein the layer containing silver is less than 1.3 ppm by mass in the content of a sulfur element after heat history at 260° C. for 5 seconds. | 11-03-2011 |
20110292573 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor capable of assuredly connecting a lead terminal and a lead wire while increasing a capacity of a capacitor element is provided. The present invention is directed to a solid electrolytic capacitor in which a capacitor element | 12-01-2011 |
20120014036 | SOLID ELECTROLYTIC CAPACITOR ELEMENT, METHOD FOR MANUFACTURING SAME, AND JIG FOR MANUFACTURING SAME - Provided is a jig for manufacturing electrolytic capacitor elements wherein the jig is for forming dielectric layers on the surfaces of anode bodies by anodic oxidation or for forming semiconductor layers on the dielectric layers formed on the surfaces of the anode bodies. The jig for manufacturing the electrolytic capacitor elements comprises (i) a plurality of power supply circuits which are provided on an insulating substrate and to each of which a voltage-limiting value and a current-limiting value can be set, (ii) connection terminals for the anode bodies which are electrically connected to the respective outputs of the power supply circuits, and (iii) a terminal for setting the voltage-limiting values to the power supply circuits and a terminal for setting the current-limiting values to the power supply circuits; in the jig, a proper current can be set corresponding to the progress of the anodic oxidation and electrolytic polymerization. A method for manufacturing the electrolytic capacitor elements using the jig. | 01-19-2012 |
20120028433 | METHOD FOR MANUFACTURING SOLID ELECTROLYTIC CAPACITOR - A dielectric layer is formed in the surface of an anode body which is composed of a sintered body, a semiconductor layer composed of an electrically-conductive polymer is formed on the dielectric layer, and then an electric conductor layer is formed on the semiconductor layer with an electrically-conductive paste which contains a dispersant to obtain a solid electrolytic capacitor element: The electric conductor layer of the solid electrolytic capacitor element is electrically connected to a cathode terminal using the electrically-conductive paste which contains a dispersant, and the anode body is electrically connected to an anode terminal through a lead wire by welding. The solid electrolytic capacitor element connected to the terminals is immersed in a solvent, and then the solid electrolytic capacitor element is encapsulated with a resin to obtain a solid electrolytic capacitor. | 02-02-2012 |
20120304430 | REACTION CONTAINER FOR MANUFACTURING CAPACITOR ELEMENT, AND METHOD FOR MANUFACTURING CAPACITOR ELEMENT - A reaction container for manufacturing a capacitor element, in which the liquid level in each individual chamber (compartment) of a container can be adjusted to the same level, adjustment to achieve uniformity of electrolytic solution in each individual chamber can also be performed, and with which a uniform dielectric layer or a uniform semiconductor layer can be formed with respect to a plurality of conductive members in a stable manner while maintaining a constant range of formation thereof. The reaction container ( | 12-06-2012 |
20120311833 | SOCKET, AND CAPACITOR ELEMENT PRODUCING JIG USING SOCKET - The present invention provides a socket by which a capacitor element can be produced without causing contamination of chemical conversion treatment liquid or semiconductor layer forming liquid even if the chemical conversion treatment liquid or the semiconductor layer forming liquid has a corrosive property, and a lead wire of a positive electrode can be stably retained even if diameters of the lead wires are difference. The socket ( | 12-13-2012 |
20130182375 | SOLID ELECTROLYTIC CAPACITOR ELEMENT, METHOD FOR PRODUCING SAME, AND TOOL FOR PRODUCING SAID SOLID ELECTROLYTIC CAPACITOR ELEMENT - A method of manufacturing a solid electrolytic capacitor element including the steps of forming a semiconductor layer on a dielectric layer formed on surfaces of a plurality of anode bodies at one time. A step of forming a semiconductor layer includes repeating an electrolytic polymerization operation several times by applying a current from a power-feeding terminal that comes into contact with each anode body. Further, at least one of the electrolytic polymerization operations continuously applies a current while changing the amount of current between the range of 5 to 200 μA per power-feeding terminal. Also disclosed is a jig for electrolytic polymerization for forming the semiconductor layer including a plurality of power supply circuits (i) capable of continuously changing the amount of current between a lower limit and an upper limit; and a power-feeding terminals (ii). | 07-18-2013 |
20130277626 | TUNGSTEN POWDER, ANODE BODY FOR CAPACITORS, AND ELECTROLYTIC CAPACITOR - A tungsten powder having tungsten silicide such as W | 10-24-2013 |
20130305504 | GANG SOCKET AND JIG FOR MANUFACTURING CAPACITOR ELEMENT THAT USES SAID GANG SOCKET - Provided is a gang socket with which capacitor elements can be manufactured without contaminating chemical conversion treatment liquids or semiconductor layer forming liquids even when the chemical conversion treatment liquids and semiconductor layer forming liquids are corrosive and with which heat treatment can be carried out without obstacles even when heat treatment is carried out during the manufacture of the capacitor elements. This gang socket ( | 11-21-2013 |
20140233154 | METHOD OF MANUFACTURING ANODE BODY OF CAPACITOR - A method of manufacturing an anode body of a capacitor. An anode body of a capacitor is obtained by sintering a molded body of tungsten powder, which includes sintering the molded body by exposing the molded body to silicon vapor so that at least a part of the surface of the obtained sintered body is made to be tungsten silicide. | 08-21-2014 |
20140294663 | METHOD FOR MANUFACTURING FINE TUNGSTEN POWDER - A method for finely powdering tungsten powder, which includes electrolytically oxidizing tungsten powder while stirring in an aqueous mineral-acid solution to form an oxide film in the surface of the tungsten powder and removing the oxide film with an alkaline aqueous solution; a method for producing tungsten powder to obtain fine tungsten powder by a process including the above method for finely powdering; and a tungsten powder having an average particle size of 0.04 to 0.4 μm, in which the dMS value (product of an average particle size d (μm), true density M (g/cm | 10-02-2014 |
20140315039 | METHOD FOR PRODUCING FINE TUNGSTEN POWDER - A method for finely powdering tungsten powder, which includes dispersing tungsten powder in an aqueous solution containing an oxidizing agent to form an oxide film in the surface of the tungsten powder and removing the oxide film with an alkaline aqueous solution. Also disclosed is a method for producing fine tungsten powder, which includes obtaining tungsten powder having an average particle size of 0.05 to 0.5 μm by a process including the above method for finely powdering. Also disclosed is a tungsten powder having an average particle size of 0.05 to 0.5 μm, in which the dMS value (product of an average particle size d (μm), true density M (g/cm | 10-23-2014 |
20140355178 | TUNGSTEN CAPACITOR ANODE AND PROCESS FOR PRODUCTION THEREOF - A capacitor anode including a tungsten sintered body having an average pore diameter of 0.3 μm or less; and a method for producing the anode. The method includes forming tungsten powder into a molded body having a density (Dg) of 8 g/cm | 12-04-2014 |
20150016026 | SOLID ELECTROLYTIC CAPACITOR - Disclosed is (1) an anode body for capacitors, which is composed of a sintered body containing tungsten dioxide in amount of 80 mass % or more and preferably silicon element in amount of 3.4 mass % or less, (2) a powder as a raw material of the sintered body containing a mixture of tungsten dioxide and silicon element powder in an amount of 80 mass % or more and 3.4 mass % or less, respectively, and which may optionally contain metal tungsten powder, (3) a method for producing an anode body for capacitors, and (4) an electrolytic capacitor which uses the anode body as one electrode and has a dielectric body interposed between the electrode and a counter electrode. | 01-15-2015 |