Abstract: An antenna module is an antenna module attached to a roof in a vehicle and includes a substrate and a plurality of antennas provided on the substrate, wherein the substrate is kept in a curved state.

Abstract: An antenna device, for a mobile body, of this disclosure includes an antenna configured to be installed in the mobile body, and a reflector having a reflection surface configured to change a beam direction of the antenna.

Abstract: An oil immersed electrical apparatus such as an oil immersed transformer that can detect copper sulfide precipitated on coil insulating paper is provided. In the oil immersed transformer in which a coil with its surface covered by insulating paper is arranged in a container filled with insulating oil, a detection member is prepared by providing two electrodes on a surface of a plate-like pressboard formed of cellulose, which is a same material as that of the insulating paper, this detection member is arranged in contact with the insulating oil, and generation of copper sulfide is detected from reduction in a surface resistance between the electrodes. The temperature of the detection member is set higher than the temperature of the coil so that copper sulfide is generated thereon prior to generation of copper sulfide on a coil unit.

Abstract: An oil immersed electrical apparatus such as an oil immersed transformer that can detect copper sulfide precipitated on coil insulating paper is provided. In the oil immersed transformer in which a coil with its surface covered by insulating paper is arranged in a container filled with insulating oil, a detection member is prepared by providing two electrodes on a surface of a plate-like pressboard formed of cellulose, which is a same material as that of the insulating paper, this detection member is arranged in contact with the insulating oil, and generation of copper sulfide is detected from reduction in a surface resistance between the electrodes. The temperature of the detection member is set higher than the temperature of the coil so that copper sulfide is generated thereon prior to generation of copper sulfide on a coil unit.

Abstract: Raw materials for a copper alloy are melted in a high frequency smelter and cast, and milling, rolling, and annealing are carried out. Then, rolling is again carried out. Thereafter, the materials are heated at a temperature of 900° C. for one minute and are quenched in water, to be solution treated. Subsequently, the materials are heated at a temperature of 500° C. for five hours for aging, and then are cooled at a cooling rate in a range of 10 to 50° C. per hour until the materials are cooled to a temperature of 380° C.

Abstract: Raw materials for a copper alloy are melted in a high frequency smelter and cast, and milling, rolling, and annealing are carried out. Then, rolling is again carried out. Thereafter, the materials are heated at a temperature of 900° C. for one minute and are quenched in water, to be solution treated. Subsequently, the materials are heated at a temperature of 500° C. for five hours for aging, and then are cooled at a cooling rate in a range of 10 to 50° C. per hour until the materials are cooled to a temperature of 380° C.

Abstract: A plastic magnet precursor which can be supplied in molding a plastic magnet with a constant composition without requiring kneading in which a resin is melted and sheared. Through injection molding using the precursor, a plastic magnet having little deterioration of magnetic properties and a small variation in quality is obtained. The plastic magnet precursor according to the present invention includes an Nd—Fe—B isotropic magnet powder and a ferrite anisotropic magnet powder subjected to coating with a titanate coupling agent, and a thermoplastic resin powder adhered around the magnet powder.

Abstract: A method of producing Nb3Sn superconducting wire, including the steps of: preparing a plurality of Sn modules obtained by burying Sn-based metal cores in a Cu-based metal matrix and a plurality of Nb modules obtained by burying Nb-based metal filaments in a Cu-based metal matrix; bundling the Nb modules and the Sn modules such that the Nb modules surround the Sn modules and obtaining an assembly; inserting the assembly in a tubular member of Cu-based metal which internally comprises tube-like shaped Ta-based metal or Nb-based metal which serves as a diffusion barrier and obtaining a composite; drawing the composite; and heat-treating the composite.

Abstract: The Nb-Sn phase superconducting wire 15 elongating in the longitudinal direction and having a cross section including a core part and a shell part surrounding of the core part. The wire 15 includes a core part made of only bronze 17 and a shell part including: a matrix made of bronze 17; and Nb3Sn filaments 16 embedded in the bronze, wherein the Nb3Sn filaments 16 are radially arranged and electromagnetically and radially coupled to one another in the radius direction of the wire 15 in the surrounding of the core part, and wherein the Nb3Sn filaments 16 have larger diameters toward the outside, and the Nb3Sn filaments 16 are kept at spacing so as to electromagnetically isolated from one another in the circumferential direction of the wire 15.

Abstract: A precursor wire for the Nb—Sn phase superconducting wire includes a structure having a plurality of modules each composed by arranging a Sn-based metal core in a Cu-based metal matrix and the Nb-based metal filaments concentrically around the core is obtained by adjusting the amount of the Sn-based metal cores in each module to form the boundaries of the ?-phase bronze layers to be formed by reaction of Sn of the Sn-based metal cores and Cu-based metal matrix by the heat-treatment in the range including all of or a ratio of approximately not lower than 0.08 and not more than 0.32 of the existence region the Nb-based metal filaments.

Abstract: The present invention provides a plastic magnet precursor which can be supplied to a step of molding a plastic magnet at a constant composition without requiring a kneading step in which a resin is melted and sheared. Through injection molding using the precursor, a plastic magnet having little deterioration of magnetic properties and a small variation in quality is obtained. The plastic magnet precursor according to the present invention includes an Nd—Fe—B isotropic magnet powder (1) and a ferrite anisotropic magnet powder subjected to a coating treatment with a titanate coupling agent (4), and a thermoplastic resin powder (2) is adhered around the magnet powder (1) to form a powder shape.

Abstract: A metal electrode is formed on a substrate. The metal electrode includes a first layer, a second layer, and a third layer lying, from an outermost surface of the metal electrode toward the substrate, in this order. The first layer contains tin as a principal constituent and the second layer contains a metallic element which produces an eutectic reaction with tin, wherein the melting point of the first layer is higher than the melting point of the second layer. The third layer is an underlying metallic layer for the first and second layers.

Abstract: A method of producing Nb3Sn superconducting wire, including the steps of: preparing a plurality of Sn modules obtained by burying Sn-based metal cores in a Cu-based metal matrix and a plurality of Nb modules obtained by burying Nb-based metal filaments in a Cu-based metal matrix; bundling the Nb modules and the Sn modules such that the Nb modules surround the Sn modules and obtaining an assembly; inserting the assembly in a tubular member of Cu-based metal which internally comprises tube-like shaped Ta-based metal or Nb-based metal which serves as a diffusion barrier and obtaining a composite; drawing the composite; and heat-treating the composite.

Abstract: An infrared light detection array with a plurality of infrared light detectors, said infrared light detectors each comprising: a supporting leg fixed to said substrate at one end, having a laminated structure of an insulation layer and a wiring layer; and a heat insulation structure portion supported by said supporting leg, comprising an insulation layer having a first surface to serve as a surface of incidence for infrared light to impinge on and a second surface to serve as a surface of incidence for reading light to impinge on, a reflection film which is formed on said second surface of said insulation layer, and a resistor connected with said wiring layer, and as said supporting legs heated up to a detection temperature by said infrared light reversibly warp, said infrared light detectors change the reflection direction of said reading light impinging upon said reflection films.

Abstract: A metal electrode of the invention is formed on a substrate. The metal electrode includes a first layer, a second layer and a third layer lying from an outermost surface of the metal electrode toward the substrate in this order. The first layer contains tin as a principal constituent and the second layer contains a metallic element which produces an eutectic reaction with tin, wherein the melting point of the first layer is higher than that of the second layer. The third layer is formed as an underlying metallic layer for the first and second layers.

Abstract: An infrared light detection array with a plurality of infrared light detectors, said infrared light detectors each comprising: a supporting leg fixed to said substrate at one end, having a laminated structure of an insulation layer and a wiring layer; and a heat insulation structure portion supported by said supporting leg, comprising an insulation layer having a first surface to serve as a surface of incidence for infrared light to impinge on and a second surface to serve as a surface of incidence for reading light to impinge on, a reflection film which is formed on said second surface of said insulation layer, and a resistor connected with said wiring layer, and as said supporting legs heated up to a detection temperature by said infrared light reversibly warp, said infrared light detectors change the reflection direction of said reading light impinging upon said reflection films.

Abstract: An infrared detector includes an optical cavity structure with an infrared reflection film on a semiconductor substrate. The infrared reflection film and an infrared absorption film provide high efficiency infrared detection.

Abstract: An infrared transmission window 4 is placed on the front of a light reception part 2 formed on a substrate 1 with a cavity 3 between and is bonded to the substrate 1 in airtight relation on a bond face in the range surrounding the light reception part 2, whereby the transmission window 4 is fixed and the cavity 3 is evacuated of air.

Abstract: A compound of the formula (I): ##STR1## wherein W.sub.1 and W.sub.2 each independently is a hydrogen atom or a ##STR2## wherein Y is a n-C.sub.1-6 alkylene group or a n-C.sub.1-6 alkylene group having a C.sub.1-6 alkyl group substituent; and R.sub.1 and R.sub.2 each independently is a hydrogen atom or a C.sub.1-6 alkyl group, and ##STR3## may form a saturated heterocyclic ring selected from the group consisting of morpholino, pyrrolidino, piperidino, homopiperidino and piperazino groups, and the saturated heterocyclic ring except the morpholino group may have at least one C.sub.1-4 alkyl group, hydroxyl group or halogen atom as a substituent;Z.sub.1 is a hydrogen atom, a chlorine atom, a bromine atom, an iodine atom, a hydroxyl group, an amino group, a C.sub.1-3 alkyl group or a methoxy group;Z.sub.2 is a hydrogen atom or an amino group;when W.sub.1 and W.sub.2 are both hydrogen atoms, Z.sub.1 is a hydroxyl group or an iodine atom and Z.sub.2 is hydrogen atom, or Z.sub.1 and Z.sub.

Abstract: This invention relates to novel isoquinolinesulfonamide derivatives of Formula (I): ##STR1## wherein A is a C.sub.0-10 alkylene group or a C.sub.0-10 alkylene group having a C.sub.1-10 alkyl group, a phenyl group, a substituted phenyl group or a phenylalkyl group; R.sub.1 and R.sub.2 each is a hydrogen atom; or R.sub.1 and R.sub.2 are linked directly to form an ethylene group unsubstituted or substituted with a C.sub.1-4 alkyl group;R.sub.3 and R.sub.4 each is a hydrogen atom, a C.sub.1-6 alkyl group or linked directly to form a C.sub.2-6 alkylene group; and the pharmaceutically acceptable acid addition salt thereof, and to a process for preparing them. The isoquinoline derivatives possess a relaxatory action for vascular smooth muscle and action for increasing blood flow and are useful as a vasodilator and a hypotensor.