Patent application number | Description | Published |
20090285748 | BARIUM TITANATE AND ELECTRONIC PARTS USING THE MATERIAL - A process for producing a single crystal barium titanate comprises reacting a titanium oxide sol obtained by a wet process and a water-soluble barium compound under the presence of a basic compound in an aqueous reaction mixture at a pH of at least 11 to form a slurry containing barium titanate. The aqueous reaction mixture is subjected to a solid-liquid separation to separate the barium titanate from the slurry. The basic compound is removed as a gas from the barium titanate, and the barium titanate is fired at 300-1200° C. | 11-19-2009 |
20100014271 | CAPACITOR MATERIAL, PRODUCTION METHOD OF THE SAME, AND CAPACITOR, WIRING BOARD AND ELECTRONIC DEVICE CONTAINING THAT MATERIAL - The capacitor material of the present invention is comprised by laminating a titanium dioxide layer and a titanate compound layer having perovskite crystals. | 01-21-2010 |
20100195293 | METHOD FOR PRODUCING CAPACITOR, CAPACITOR, WIRING BOARD, ELECTRONIC DEVICE, AND IC CARD - There is provided a method for producing a capacitor which is capable of producing a capacitor having a high withstand voltage and low leakage current,
| 08-05-2010 |
20100227197 | COMPLEX OXIDE FILM AND METHOD FOR PRODUCING SAME, COMPOSITE BODY AND METHOD FOR PRODUCING SAME, DIELECTRIC MATERIAL, PIEZOELECTRIC MATERIAL, CAPACITOR, PIEZOELECTRIC ELEMENT AND ELECTRONIC DEVICE - The invention aims at providing a complex oxide film having a high relative dielectric constant and a high voltage resistance, whose film thickness can be arbitrarily controlled, and a manufacturing method thereof, a composite body comprising the complex oxide film and a manufacturing method thereof, a dielectric or piezoelectric material comprising the complex oxide film or composite body, a capacitor or piezoelectric element comprising the complex oxide film advantageous to improve voltage resistance, and an electronic device equipped with the same, without involving any complicated or large scale equipment. The complex oxide film can be obtained by forming a metal oxide film containing a titanium element on a substrate surface and then allowing a solution containing strontium ion to react with the metal oxide film. A capacitor including the complex oxide film as dielectric material and a piezoelectric element including it as piezoelectric material can be produced. | 09-09-2010 |
20100232087 | COMPLEX OXIDE FILM AND METHOD FOR PRODUCING SAME, COMPOSITE BODY AND METHOD FOR PRODUCING SAME, DIELECTRIC MATERIAL, PIEZOELECTRIC MATERIAL, CAPACITOR AND ELECTRONIC DEVICE - The invention aims at providing a complex oxide film having a high relative dielectric constant and capacitance having low temperature-dependency, whose film thickness can be arbitrarily controlled, and a manufacturing method thereof, a composite body comprising the complex oxide film and a manufacturing method thereof, a dielectric or piezoelectric material comprising the complex oxide film or composite body, a capacitor or piezoelectric element comprising the complex oxide film having the complex oxide film with low temperature-dependency, and an electronic device equipped with the same, without involving any complicated or large scale equipment. The complex oxide film containing titanium element and calcium element can be obtained by forming a metal oxide film containing titanium element on substrate surface and then allowing a solution containing calcium ion to react with the metal oxide layer. A capacitor including the complex oxide film as dielectric material and a piezoelectric element including it as piezoelectric material can be produced. | 09-16-2010 |
20130128473 | METHOD FOR PRODUCING CAPACITOR, CAPACITOR, WIRING BOARD, ELECTRONIC DEVICE, AND IC CARD - There is provided a method for producing a capacitor which is capable of producing a capacitor having a high withstand voltage and low leakage current,
| 05-23-2013 |
20140056797 | METHOD OF PRODUCING CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - The invention provides a method of producing a cathode active material for a lithium secondary battery, whereby it is possible to configure a lithium secondary battery in which the discharge capacity is improved and elution of lithium ions from the lithium metal phosphate is suppressed when washing the lithium metal phosphate after the same was synthesized. The method of producing a cathode active material for a lithium secondary battery includes synthesizing a lithium metal phosphate represented by a composition formula LiMPO | 02-27-2014 |
20140199475 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND PRODUCTION METHOD OF SAME - A positive electrode active material for a lithium secondary battery having a core portion and a shell layer is employed in which the core portion is represented by Lix | 07-17-2014 |
20140203218 | PRODUCTION METHOD OF POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - A method is employed for producing a positive electrode active material for a lithium secondary battery that comprises mixing lithium phosphate having a particle diameter D | 07-24-2014 |
Patent application number | Description | Published |
20080316681 | Capacitor and Method for Manufacturing Same - The present invention relates to a capacitor having high capacitance, low ESR (equivalent series resistance) in a high-frequency region and low leakage current, comprising a composite oxide film obtained by reaction of an oxide film obtained by subjecting the surface of the substrate comprising valve-acting metal element with a solution in which metal ion and an organic base are dissolved and by subsequently sintering the reactant, a solid electrolyte formed on the composite oxide film and a conductor layer formed thereon; a method for producing the same and electronic devices using the same. | 12-25-2008 |
20090035592 | COMPOUND OXIDE FILM AND METHOD FOR MANUFACTURING SAME, AND DIELECTRIC MATERIAL, PIEZOELECTRIC MATERIAL, CAPACITOR, PIEZOELECTRIC ELEMENT AND ELECTRONIC DEVICE WHICH INCLUDE COMPOUND OXIDE FILM - The invention provides a complex oxide film having a high crystallinity, produced by forming the complex oxide film on a substrate surface and then calcining the complex oxide film in atmospheric gas under oxygen partial pressure of 1×10 | 02-05-2009 |
20090140605 | COMPLEX OXIDE FILM AND METHOD FOR PRODUCING SAME, DIELECTRIC MATERIAL INCLUDING COMPLEX OXIDE FILM, PIEZOELECTRIC MATERIAL, CAPACITOR, PIEZOELECTRIC ELEMENT AND ELECTRONIC DEVICE - The invention relates to a method for a complex oxide film having a high relative dielectric constant and a thickness which can be arbitrarily controlled, which is obtained, without using any large-scale equipment, by forming a metal oxide layer containing a first metal element on substrate surface and then allowing the layer to react with a solution containing a second metal ion to thereby form a complex oxide film containing the first and second metal elements, and a production method thereof. Further, the invention relates to a dielectric material and a piezoelectric material containing the complex oxide film, a capacitor and a piezoelectric element including the material, and an electronic device comprising the element. | 06-04-2009 |
20100220428 | COMPLEX OXIDE FILM AND METHOD FOR PRODUCING SAME, DIELECTRIC MATERIAL INCLUDING COMPLEX OXIDE FILM, PIEZOELECTRIC MATERIAL, CAPACITOR, PIEZOELECTRIC ELEMENT, AND ELECTRONIC DEVICE - The invention relates to a method for a complex oxide film having a high relative dielectric constant formed on a substrate surface by wet-treatment method and a production process of the complex oxide film comprising a step of washing the complex oxide film with an acid solution of pH 5 or less to thereby reduce salts in the film. Further, the invention relates to a dielectric material and a piezoelectric material containing the complex oxide film, a capacitor and a piezoelectric element including the material, and a electronic device comprising the element. | 09-02-2010 |
20130251997 | BARIUM TITANATE AND ELECTRONIC PARTS USING THE MATERIAL - A process for producing a single crystal barium titanate including reacting a titanium oxide sol obtained by a wet process and a water-soluble barium compound under the presence of a basic compound in an aqueous reaction mixture at a pH of at least 11 to form a slurry containing barium titanate. The aqueous reaction mixture is subjected to a solid-liquid separation to separate the barium titanate from the slurry. The basic compound is removed as a gas from the barium titanate, and the barium titanate is fired at 300-1200° C. | 09-26-2013 |