摘要:
A multiple layer semiconductor circuit module includes a semiconductor substrate including opposed first and second surfaces and side walls; a first circuit disposed on the first surface of the substrate including a plurality of conductors, at least one of the conductors extending on the first surface of the substrate to one of the side walls; a first electrically insulating layer disposed on the first surface of the substrate, covering the first circuit, and including a second surface adjacent to the first surface of the substrate, an opposed first surface, and side walls; a second circuit disposed on the first surface of the first layer including a plurality of conductors, at least one of the conductors extending on the first surface of the first layer to one of the side walls; a second electrically insulating layer disposed on the first surface of the first layer, covering the second circuit, and including a second surface adjacent to the first surface of the first layer, an opposed first surface, and side walls; a third circuit disposed on the first surface of the second layer including a plurality of conductors, at least one of the conductors extending on the first surface of the second layer to one of the side walls; and at least one electrical conductor disposed on at least one of the side walls of the substrate and the first and second insulating layers electrically interconnecting the first, second, and third circuits.
摘要:
An aqueous coating composition comprised of an aqueous resin obtained by neutralizing, with a volatile base, a copolymer comprised of(a) 5 to 65% by weight of hydroxyalkylacrylate or methacrylate in which the alkyl group has 1 to 5 carbon atoms,(b) 5 to 50% by weight of diacrylate or dimethacrylate of alkylene glycol or polyoxyalkylene glycol,(c) 2 to 20% by weight of .alpha.,.beta.-monoethylenically unsaturated carboxylic acid, and(d) 20 to 88% by weight of a vinyl monomer copolymerizable with the above components (a), (b) and (c), andan aqueous amine formaldehyde condensate; anda process for the production of the above aqueous coating composition which comprises copolymerizing the above components (a) to (d) in an organic solvent in the presence of a polymerization initiator to convert these components to a precrosslinked ungelled copolymer, neutralizing said copolymer by adding a volatile base to obtain an aqueous resin, then mixing an aqueous amineformaldehyde condensate with said aqueous resin and thereafter distilling off the organic solvent.
摘要:
Disclosed is a coating resin composition obtained by graft-polymerizing an unsaturated carboxylic acid to a chlorinated polyolefin in a solvent, esterifying all unsaturated carboxylic acid present in the reaction system, and mixing the obtained composition with a urethane prepolymer so that the weight ratio of the solids of the composition to the solids of the urethane prepolymer is in the range of from 90/10 to 10/90. This composition has a greatly improved gasoline resistance, smell generation is controlled and the storage stability at low temperature is high. The composition is effective as a general-purpose primer showing a high adhesion to inorganic materials, polar resins, non-polar resins, metals, and other materials.
摘要:
The present invention concerns a method of removing nitrogen oxides in exhaust gases from a diesel engine by using a catalyst in a reacter under the presence of ammonia, wherein a humidity of in-take air as a specific factor and one or more of engine power, fuel consumption amount of engine, temperature of engine in-take air and exhaust gas temperature as selective factors are measured respectively as the measuring factors and the flow rate of ammonia is controlled based on measured values and ammonia is supplied to an exhaust gas flow channel from the engine to the reactor.
摘要:
In a sound-proof type engine working machine with a waste heat recovery apparatus, including a sound-proof type engine working machine which comprises a liquid cooled internal combustion engine and a working machine such as an electricity generator, a compressor and the like adapted to be driven by the engine and a waste heat recovery apparatus adapted to recover the waste heat from the engine, the engine cooling liquid within the water jacket of the engine is adapted to circulate through a waste heat recovery heat exchanger and a radiator, as well as the heat to be radiated in the radiator is adapted to be controlled by means of a radiated heat control device, and the engine and the working machine are horizontally arranged side by side each other within the sound-proof casing in a longitudinal direction thereof, an upper support frame is fixed on the upper side of the sound-proof casing, and the radiator and a radiator fan associated therewith are disposed on the upper support frame.
摘要:
Sorbic acid can be prepared by the activity of a specific microorganism on 2,4-hexadienal. This method can be performed under mild conditions and, different from organo-chemical methods, is advantageous because no by-products are formed.
摘要:
A method of and apparatus for examining the structure of an optical fiber such as eccentricity, clad and core diameters, and nonroundness of clad. The structure of the optical fiber can be accurately determined by irradiating the side wall of the optical fiber with a light such as a white light, a monochromatic light or the like in the direction perpendicular to the axis of the optical fiber, detecting an image of the light transmitted through the optical fiber and/or diffraction fringes formed by lights diffracted by the outer edge of the optical fiber to obtain a luminance distribution of the light traversing the optical fiber, and calculating the luminance distribution to thereby obtain accurate structural parameters of the optical fiber.
摘要:
A catalyst for hydrotreating a heavy hydrocarbon oil which comprises a porous refractory inorganic oxide carrier component and at least one hydrogenating active metal component selected from nickel, cobalt and the like, the metal component concentration in the cross-section of the catalyst being the highest between the center of the cross-section and the periphery thereof.
摘要:
A process for producing 1-aminoanthraquinone, which comprises(a) a step of oxidizing 1-nitronaphthalene in the liquid phase with an acidic aqueous solution containing a ceric ion as an oxidizing agent and separating crystals containing 5-nitro-1,4-naphthoquinone and the acidic aqueous solution containing a cerium ion from the resulting reaction mixture,(b) a step of subjecting the 5-nitro-1,4-naphthoquinone obtained in step (a) to Diels-Alder reaction with 1,3-butadiene in a solvent, precipitating crystals containing the resulting 5-nitro-1,4,4a,9a-tetrahydroanthraquinone, separating them by filtration, separating and recovering the unreacted 1-nitronaphthalene and the solvent in the filtrate in a separation tower, and recycling 1-nitronaphthalene to step (a) for use as the starting material and re-using the recovered solvent for the Diels-Alder reaction,(c) a step of reducing 5-nitro-1,4,4a,9a-tetrahydroanthraquinone obtained in step (b), separating crystals containing 1-aminoanthraquinone and purifying them, and(d) a step of electrolytically oxidizing the acidic aqueous solution containing a cerium ion separated in step (a) to convert the cerous ion in the acidic aqueous solution to a ceric ion and recycling the resulting acidic aqueous solution containing a ceric ion to step (a) for re-use as the oxidizing agent.
摘要:
The present invention provides a method for removing an iron content in a petroleum series mineral oil therefrom which comprises treating a petroleum series mineral oil fraction containing 5 ppm or more of the iron content by the use of a high gradient magnetic separator under conditions of the strength of a magnetic field being from 500 to 25,000 gauss, a temperature being from room temperature to 400.degree. C., and a linear velocity being 0.1 to 50 cm/second.