Abstract: Provided are a pasty composition for aluminum brazing which has excellent coating properties, is capable of attaining favorable dimensional accuracy of products obtained after brazing, causes less erosion, and allows favorable external appearances of brazed portions (fillets); an aluminum-containing member coated with the pasty composition for aluminum brazing; and a method, using the pasty composition for aluminum brazing, for brazing the aluminum-containing members. The pasty composition for aluminum brazing contains an aluminum-containing powder. In a case where on a cumulative grading curve of the aluminum-containing powder, a particle diameter D ?m which corresponds to a Q volume % is indicated as D(Q) ?m, D(50) ?m is greater than or equal to 20 ?m and less than or equal to 150 ?m; and D(90) ?m/D(10) ?m is less than or equal to 5. A mass percentage of particles, in the aluminum-containing powder, which pass through a screen mesh having an opening of 45 ?m is less than or equal to 50%.

Abstract: In order to provide a powder coating composition containing a flake pigment attaining excellent recyclability and coating property as well as improved metallic feel, brilliance, and brightness of a coating film, the powder coating composition contains powder coating particles including thermosetting resin powder, an adhesive binder, and a flake pigment bound to a surface of the thermosetting resin powder by means of the binder. An average particle size of the powder coating particle is not larger than 100 ?m based on D50 conversion, and a bonding ratio between the thermosetting resin powder and the flake pigment is in a range from 90% to 100%.

Abstract: An aluminum flake pigment suitable for use in metallic paints, metallic inks and the like is finely flaked in a grinder to include small aluminum flakes with a maximum dimension of not more than 10 ?m, wherein these small aluminum flakes have a mean aspect ratio from 8 to 20. Overall, the aluminum flakes of the aluminum flake pigment preferably have a mean particle size from 3 to 20 ?m. The grinder produces the aluminum flake pigment by flaking an aluminum powder in an organic solvent using steel ball grinding media having diameters of 0.3 to 1.0 mm.

Abstract: The invention provides a capacitor electrode member in which layers constituting the electrode member are highly adhesive. The capacitor electrode member comprises aluminum material (1), a carbon-containing layer (2) formed on the surface of the aluminum material (1), and further an interposition layer (3) containing an aluminum element and a carbon element, the interposition layer being formed between the aluminum material (1) and the carbon-containing layer (2). The interposition layer (3) constitutes a first surface portion which is formed on at least a part of the region of the surface of the aluminum material (1) and contains a carbide of aluminum. The carbon-containing layer (2) constitutes a second surface portion (21) formed so as to extend outward from the first surface portion (3). The carbon-containing layer (2) further contains carbon particles (22) and the second surface portion (21) is formed between the first surface portion (3) and the carbon particles (22) and contains a carbide of aluminum.

Abstract: Provided are a foil for a cathode of a capacitor, which can secure both a high capacitance and a high strength, and a manufacturing method thereof. The foil for a cathode of a capacitor includes an aluminum foil and a carbon-containing layer formed on a surface of the aluminum foil. An interposition layer containing aluminum and carbon is formed between the aluminum foil and the carbon-containing layer. The manufacturing method of a foil for a cathode of a capacitor includes a step of arranging an aluminum foil in a space containing a hydrocarbon-containing substance and a step of heating the aluminum foil.

Abstract: The invention provides a paste composition for brazing, which upon brazing, does not cause brazing insufficiency such as residual carbon in any type of industrial brazing furnace, can achieve an excellent outward appearance of a brazed portion after brazing and can be applied to any existing industrial brazing furnaces, as well as a brazing method using the same. The paste composition for brazing comprises a brazing powder, butyl rubber and an organic solvent, wherein the brazing powder comprises at least one member selected from the group consisting of copper brazing powder, brass brazing powder, silver brazing powder, phosphorus copper brazing powder, nickel brazing powder, gold brazing powder, palladium brazing powder, copper-manganese brazing powder, silver-manganese brazing powder and cobalt brazing powder. The paste composition for brazing is applied onto at least a part of a surface of one base material and then the one base material is brazed onto the other base material.

Abstract: A colored flake pigment excelling in designability and weather resistance; and a coating composition containing the same. There is provided a colored flake pigment comprising a flaky base material of ?80% light reflectance in a 300 to 600 nm wavelength region composed of a composite of metal and metal oxide, which flaky base material has preferably a specified pigment attached thereto. Further, there is provided a coating composition containing the colored flake pigment. The flaky base material is preferably a composite of copper, or copper alloy, and metal oxide.

Abstract: A paste composition for forming an electrically conductive layer on a p-type silicon semiconductor substrate comprises aluminum powder, an organic vehicle and powder of at least one inorganic compound selected from a group consisting of an oxide-based inorganic compound and a non-oxide-based inorganic compound. The oxide-based inorganic compound has a thermal expansion coefficient smaller than the thermal expansion coefficient of aluminum and a melting temperature, a softening temperature and a decomposition temperature each higher than the melting point of aluminum. The non-oxide-based inorganic compound has a thermal expansion coefficient smaller than the thermal expansion coefficient of aluminum and at least one of a melting temperature, a softening temperature or a decomposition temperature higher than the melting point of aluminum.

Abstract: An aluminum flake pigment containing aluminum flakes as basic particles, said aluminum flakes having an average particle diameter in the range of 3 to 20 ?m and an average value of minimum diameter/maximum diameter of at least 0.6.

Abstract: An aluminum flake pigment suitable for use in metallic paints, metallic inks and the like is finely flaked in a grinder to include small aluminum flakes with a maximum dimension of not more than 10 ?m, wherein these small aluminum flakes have a mean aspect ratio from 8 to 20. Overall, the aluminum flakes of the aluminum flake pigment preferably have a mean particle size from 3 to 20 ?m. The grinder produces the aluminum flake pigment by flaking an aluminum powder in an organic solvent using steel ball grinding media having diameters of 0.3 to 1.0 mm.

Abstract: Provided are: a paste composition which is capable of keeping a desired function for a backside electrode of a solar cell and strengthening the bond between an aluminum electrode layer and a p type silicon semiconductor substrate even if glass frit as a substance giving a bad effect on the environment is not incorporated into the composition or the content of glass frit as a substance giving a bad effect on the environment therein is decreased; and a solar cell element provided with an electrode formed by use of the composition. The paste composition is a paste composition for forming an aluminum electrode layer (8) over a p type silicon semiconductor substrate (1), comprising aluminum powder, an organic vehicle, and a metal alkoxide. The solar cell element provided with the aluminum electrode layer (8) formed by applying the paste composition having the above-mentioned characteristic to the p type silicon semiconductor substrate (1) and then firing the resultant.

Abstract: In order to provide a color metallic pigment capable of implementing diverse colors, excellent in finished appearance and weather resistance and manufacturable by a safe and simple manufacturing method, a color metallic pigment comprising metal particles and a single-layer or multilayer coat covering the surface of each metal particle characterized in that at least one layer of the single-layer or multilayer coat is a cobalt coat consisting of an anhydrous oxide film elementally containing cobalt is provided. This cobalt coat preferably contains a compound in composition expressed by at least one type of composition selected from a group consisting of CoO, Co2O3, Co3O4, nCoO.mAl2O3 and nCoO.mSiO2 (n, m: arbitrary positive real numbers).

Abstract: An aluminum alloy contains at least 0.0001 mass % and not more than 0.03 mass % of copper, at least 0.0005 mass % and not more than 0.2 mass % of silicon, at least 0.5 mass % and not more than 4 mass % of manganese and at least 0.5 mass % and not more than 3 mass % of iron, and the rest contains aluminum and unavoidable impurities. The aluminum alloy further contains at least one of at least 0.01 mass % and not more than 0.5 mass % of chromium, at least 0.01 mass % and not more than 0.5 mass % of titanium and at least 0.01 mass % and not more than 0.5 mass % of zirconium. An aluminum alloy foil is prepared by heating up the aluminum alloy to a temperature of at leas 350° C. and not more than 580° C., holding the same immediately after the heating up or retaining an ingot of the aluminum alloy at a temperature of at least 350° C. and not more than 530° C. for not more than 15 hours, thereafter performing hot rolling at a starting temperature of at least 350° C. and not more than 530° C.

Abstract: An aluminum pigment excellent in water resistance useful in water-based metallic paints, water-based metallic inks and the like, is provided. The pigment is excellent in water resistance and has a coating derived from peroxo-polymolibdate represented by the compositional formula: MoO3.mH2O2.nH2O or MoO3-m(O2)m.nH2O where Mo is molybdenum, O is oxygen, 0≦m≦1 and 1≦n≦2 and also includes at least one amine selected from alkylamine, allylamine, arylamine, alkanolamine or alkoxylamine.

Abstract: A powder coating composition comprising metallic flakes having a leafing agent adsorbed on their surfaces, said metallic flakes being mixed with a thermosetting resin powder or deposited onto a surface of a thermosetting resin powder. A novel powder coating composition of the present invention provides a metallic coating having an excellent metallic luster.

Abstract: A flux-containing composition for brazing aluminum containing a fluoride flux, a binder of an alkyd resin, a mixture of an acrylic resin and a butyl rubber (or a petroleum resin), and/or a polyethylene resin, an organic solvent, and optionally a metallic powder for brazing is easy for handling and plastic working of a product coated with it, gives brazed areas (fillets) of good appearance, has low cost and better operating environment, and is capable of application to members having complicated shapes.

Abstract: A flux composition for brazing aluminum, comprising a fluoride flux, at least one selected from a butyl rubber and a petroleum resin, and a solvent. The novel flux composition has excellent processing properties and provides brazed areas (fillets) with good appearance.

Abstract: An antenna coil for an IC card includes a base material of a resin film having the thickness of at least 15 &mgr;m and at most 70 &mgr;m, and a circuit pattern layer formed on a surface of the base material, having the thickness of at least 7 &mgr;m and at most 60 &mgr;m formed of an aluminum foil containing aluminum by at least 97.5 mass % and at most 99.7 mass %. On the surface of the resin film base material, an aluminum foil containing aluminum is fixed by using a polyurethane based adhesive layer containing an epoxy resin, a resist ink layer having a prescribed pattern is printed on the foil, the foil is etched using the resist ink layer as a mask to form a circuit pattern layer, and the resist ink layer is removed.

Abstract: A flux composition for brazing aluminum, comprising a fluoride flux, at least one selected from a butyl rubber and a petroleum resin, and a solvent. The novel flux composition has excellent processing properties and provides brazed areas (fillets) with good appearance.

Abstract: An aluminium flake pigment characterized in that the ratio of the average thickness of flakes to the average diameter of flakes is in the range of 0.025 to 0.3, preferably 0.028 to 0.1 and the ratio of the water covering area to the specific surface area is in the range of 0.18 to 0.4, preferably 0.19 to 0.35 is disclosed herein.The aluminium flake pigment of the invention has the improved resistance to the circulation of the metallic paint during the painting.