Patent application number | Description | Published |
20130199106 | POLISHING COMPOSITION - A polishing composition contains colloidal silica particles having protrusions on the surfaces thereof. The average of values respectively obtained by dividing the height of a protrusion on the surface of each particle belonging to the part of the colloidal silica particles that has larger particle diameters than the volume average particle diameter of the colloidal silica particles by the width of a base portion of the same protrusion is no less than 0.245. Preferably, the part of the colloidal silica particles that has larger particle diameter than the volume average particle diameter of the colloidal silica particles has an average aspect ratio of no less than 1.15. Preferably, the protrusions on the surfaces of particles belonging to the part of the colloidal silica particles that has larger particle diameters than the volume average particle diameter of the colloidal silica particles have an average height of no less than 3.5 nm. | 08-08-2013 |
20130205682 | POLISHING COMPOSITION - A polishing composition contains colloidal silica. The colloidal silica satisfies the expression A×D×E×F≧350,000 where “A” denotes the average aspect ratio (dimensionless) of the colloidal silica, “D” denotes the average particle diameter (units: nm) of the colloidal silica, “E” denotes the standard deviation of the particle size (units: nm) of the colloidal silica, and “F” denotes the volume fraction (units: %) of particles having a diameter of 1 to 300 nm in the colloidal silica. The volume fraction of particles having a diameter of 1 to 300 nm in the colloidal silica is 90% or greater. | 08-15-2013 |
20140335762 | POLISHING COMPOSITION, AND POLISHING METHOD AND SUBSTRATE PRODUCTION METHOD USING SAME - A polishing composition of the present invention contains abrasive grains each having a surface with protrusions. Parts of the abrasive grains have larger particle diameters than the volume-based average particle diameter of the abrasive grains, and the average of values respectively obtained by dividing a height of each protrusion on the surface of each abrasive grain belonging to the parts of the abrasive grains by the width of a base portion of the same protrusion is 0.170 or more. Protrusions on the surfaces of abrasive grains belonging to the parts of the abrasive grains that have larger particle diameters than the volume-based average particle diameter of the abrasive grains have an average height of 3.5 nm or more. The polishing composition has a content of an organic alkali of 100 mmol or less per kilogram of the abrasive grains in the polishing composition. | 11-13-2014 |
Patent application number | Description | Published |
20130157131 | ELECTRICALLY CONDUCTIVE LAYER COATED ALUMINUM MATERIAL AND METHOD FOR MANUFACTURING THE SAME - Provided are an electrically conductive layer coated aluminum material having properties which can withstand long term use; and a method for manufacturing the electrically conductive layer coated aluminum material. The electrically conductive layer coated aluminum material includes: an aluminum material ( | 06-20-2013 |
20130196056 | ELECTRODE STRUCTURE, CAPACITOR, BATTERY, AND METHOD FOR MANUFACTURING ELECTRODE STRUCTURE - An electrode structure which provides adhesiveness between an aluminum material, as a base material, and a dielectric layer, and adhesiveness between the dielectric layers, and enables a high capacitance, even with a thick dielectric layer. An interposing layer is formed in at least one part of a region of the surface of the aluminum material between the aluminum material and the dielectric layer and includes aluminum and carbon. The dielectric layer includes dielectric particles including valve metal, and an organic substance layer formed on at least one part of a surface of the dielectric particle. A mixture layer of dielectric particles, including the valve metal and a binder, is formed on a surface of the aluminum material, and thereafter, the aluminum material is heated in a state where the aluminum material is placed in a space including a hydrocarbon-containing substance. | 08-01-2013 |
20140220316 | BIOCHIP SUBSTRATE AND METHOD FOR PRODUCING SAME - A substrate for biochips, which does not induce autofluorescence, which can immobilize a biologically relevant substance(s) easily, which can prevent the undesirable spread of a liquid spot which is added dropwise on the biochips when using the biochips, in which the adhesion between a carbon-containing layer and an aluminum material is high, and which can be produced at lower cost than the known substrate for biochips; a method for producing the substrate; and a biochip including the substrate are disclosed. The substrate for biochips comprises a carbon-coated aluminum material, wherein the carbon-coated aluminum material comprises an aluminum material and a carbon-containing layer formed on at least one surface of the aluminum material, and further comprises an interposing layer which is formed between the aluminum material and the carbon-containing layer, and which interposing layer contains aluminum element and carbon element. | 08-07-2014 |
20140315013 | ALUMINUM MATERIAL - An aluminum material, a dielectric layer and an interposing layer formed in at least one part of a region of the surface of the aluminum material between the aluminum material and the dielectric layer and includes aluminum and carbon, wherein the dielectric layer includes dielectric particles including a valve metal, and an organic substance layer formed on at least one part of a surface of the dielectric particle. | 10-23-2014 |
Patent application number | Description | Published |
20080218945 | Capacitor Electode Member, Method for Manufacturing the Same, and Capacitor Provided with the Electrode Member - The invention provides a capacitor electrode member in which layers constituting the electrode member are highly adhesive. The capacitor electrode member comprises aluminum material ( | 09-11-2008 |
20110027537 | CARBON-COATED ALUMINUM MATERIAL AND METHOD FOR MANUFACTURING THE SAME - Provided are a carbon-coated aluminum material capable of improving properties of adhesion between a carbon-containing layer and an aluminum material and properties of mutual adhesion among carbon-containing particles included in the carbon-containing layer; and a method for manufacturing the carbon-coated aluminum material. The carbon-coated aluminum material comprises: aluminum foil ( | 02-03-2011 |
20110318550 | ELECTRICALLY CONDUCTIVE SUBSTANCE COATED ALUMINUM MATERIAL AND METHOD FOR MANUFACTURING THE SAME - Provided are an electrically conductive substance coated aluminum material in which an electrically conductive substance ensuring electrical conductivity of a surface is not exfoliated from an aluminum material due to moisture even in a case where the electrically conductive substance coated aluminum material is used under a high humidity condition and which can be favorably used as a material for a current collector and an electrode; and a method for manufacturing the electrically conductive substance coated aluminum material. The electrically conductive substance coated aluminum material comprises: an aluminum foil ( | 12-29-2011 |
20120003544 | ELECTRODE STRUCTURE, CAPACITOR, BATTERY, AND METHOD FOR MANUFACTURING ELECTRODE STRUCTURE - Provided are an electrode structure which is excellent in adhesiveness between an aluminum material as a base material and a dielectric layer and adhesiveness between the dielectric layers and allows a higher capacitance than the conventional one to be obtained, even when a thickness of the dielectric layer is thick; a method for manufacturing the above-mentioned electrode structure; and a capacitor and a battery, each of which includes the above-mentioned electrode structure. An electrode structure comprises: an aluminum material; a dielectric layer formed on a surface of the aluminum material; and an interposing layer formed in at least one part of a region of the surface of the aluminum material between the aluminum material and the dielectric layer and including aluminum and carbon, the dielectric layer includes dielectric particles including valve metal, and an organic substance layer is formed on at least one part of a surface of the dielectric particle. A mixture layer of dielectric particles including the valve metal and a binder is formed on a surface of the aluminum material, and thereafter, the aluminum material is heated in a state where the aluminum material is placed in a space including a hydrocarbon-containing substance. | 01-05-2012 |
20120261162 | METHOD FOR MANUFACTURING ELECTRODE STRUCTURE, ELECTRODE STRUCTURE, AND CAPACITOR - Provided are an electrode structure capable of suppressing a leakage current, having a high capacitance, allowing an electrical short circuit caused through contact with an electrolyte to be suppressed, and operable to be applied as an anode of a capacitor; a method for manufacturing the electrode structure; and a capacitor including the electrode structure. The method for manufacturing the electrode structure includes: a covering layer formation step of forming on a surface of an aluminum material a covering layer of a dielectric precursor including valve metal; and a reduction heating step of heating in a reducing atmosphere including no carbon the aluminum material having the covering layer formed thereon. The electrode structure includes: an aluminum material; a covering layer being formed on a surface of the aluminum material, including valve metal, and having an electrically conductive portion; and an interposing layer being formed between the aluminum material and the covering layer and including aluminum and oxygen. | 10-18-2012 |