Abstract: A woody resin is for molding in-vehicle component parts, is produced by a co-condensation reaction of a woody material and phenols, and includes the woody material exhibiting a dehydration ratio of from 27 to 42% by weight by the co-condensation reaction, and the phenols bonded to the woody material in an amount of from 150 to 240 parts by weight with respect to 100 parts by weight of the woody material. The woody resin is compounded with a curing agent and a filler to make a woody resinous material for molding in-vehicle component parts.

Abstract: The invention provides a refrigerator having a two-stage compression compressor capable of performing efficient cooling of a both a refrigerator compartment and a freezer compartment. A high-pressure delivery outlet of a two-stage compression compressor 12 is connected to a condenser 14, the condenser 14 is connected to a three-way valve 15, a first outlet of the three-way valve 15 is connected via an R capillary tube 16 and an R evaporator 18 to an intermediate-pressure intake of the two-stage compression compressor 12, is connected and via an F capillary tube 24 to an F evaporator 26, the F evaporator is connected to a low-pressure intake of the two-stage compression compressor 12 via a low-pressure suction pipe 28, the three-way valve 15 can switch between a simultaneous cooling mode and a freezer mode, and when in the simultaneous cooling mode the interior temperature of the refrigerator compartment 2 falls to a predetermined temperature it switches to the freezer mode.

Abstract: A hydrogen sensor which may be employed in an overcharge/overdischarge detector for a battery and a hydrogen leakage detector for a fuel cell is provided. The hydrogen sensor includes a sensor element and a diffused resistor member. The gas to be measured passes through the diffused resistor member and reaches the sensor element. The sensor element outputs a signal indicative of the concentration of hydrogen contained in the gas as a function of a decrease in concentration of oxygen contained in the gas arising from reaction of the hydrogen on the oxygen. The diffused resistor member is so designed that speeds of diffusion of the hydrogen and the oxygen when passing through the diffused resistor member are different from each other for increasing the sensitivity of measurement of the concentration of hydrogen.

Abstract: Disclosed herein is a focusing screen master having a microlens array formed all over a flat substrate surface, the microlens array being constructed by arranging a plurality of types of microlenses that are different from each other in height, radius of curvature and surface configuration.

Abstract: A paint composition includes a raw polymer, and a dry solvent for dissolving the raw polymer. The raw polymer is composed of a transparent polymer having a hydroxyl group, and polysilazane. The polysilazane is included in an amount of 10% by weight or more with respect to the entire raw polymer taken as 100% by weight. Also disclosed are a process for producing a transparent protective film using the paint composition, and organic glass using the same. Note that the organic glass exhibits a surface hardness of 0.4 GPa or more.

Abstract: Disclosed herein is a focusing screen master having a microlens array formed all over a flat substrate surface, the microlens array being constructed by arranging a plurality of types of microlenses that are different from each other in height, radius of curvature and surface configuration.

Abstract: The invention relates to heat transfer apparatus for cooling electronic components. There is a continuously increasing demand for compact electronic systems such as portable laptop computers and thirst for high processing power, leading to high heat generated by components residing within these systems. These electronic systems have to be cooled due to their fixed operating temperature ranges. Operating an electronic component beyond its rated operating temperature range will damage electronic components. Instead of conventionally utilising a bigger fan, a smaller sized solution is required for cooling an electronic component contained in a compact electronic system, for example a notebook computer. A heat transfer apparatus includes a heat carrier for conveying heat away from the electronic system into a radiator for dissipation. The radiator is placed into a cooler for directing air through the radiator and expelling heated air, cooling the radiator in the process.

Abstract: A woody resin is for molding in-vehicle component parts, is produced by a co-condensation reaction of a woody material and phenols, and includes the woody material exhibiting a dehydration ratio of from 27 to 42% by weight by the co-condensation reaction, and the phenols bonded to the woody material in an amount of from 150 to 240 parts by weight with respect to 100 parts by weight of the woody material. The woody resin is compounded with a curing agent and a filler to make a woody resinous material for molding in-vehicle component parts.

Abstract: The invention relates to heat transfer apparatus for cooling electronic components. There is a continuously increasing demand for compact electronic systems such as portable laptop computers and thirst for high processing power, leading to high heat generated by components residing within these systems. These electronic systems have to be cooled due to their fixed operating temperature ranges. Operating an electronic component beyond its rated operating temperature range will damage electronic components. Instead of conventionally utilising a bigger fan, a smaller sized solution is required for cooling an electronic component contained in a compact electronic system, for example a notebook computer. A heat transfer apparatus includes a heat carrier for conveying heat away from the electronic system into a radiator for dissipation. The radiator is placed into a cooler for directing air through the radiator and expelling heated air, cooling the radiator in the process.

Abstract: A hydrogen sensor which may be employed in an overcharge/overdischarge detector for a battery and a hydrogen leakage detector for a fuel cell is provided. The hydrogen sensor includes a sensor element and a diffused resistor member. The gas to be measured passes through the diffused resistor member and reaches the sensor element. The sensor element outputs a signal indicative of the concentration of hydrogen contained in the gas as a function of a decrease in concentration of oxygen contained in the gas arising from reaction of the hydrogen on the oxygen. The diffused resistor member is so designed that speeds of diffusion of the hydrogen and the oxygen when passing through the diffused resistor member are different from each other for increasing the sensitivity of measurement of the concentration of hydrogen.

Abstract: A power supply device for an electric discharge machine for supplying power to a work gap (6) formed between a work piece and a tool electrode, includes a parallel circuit in which a first power supply (8), a second power supply (36) and a capacitor (34) are connected in parallel and the second power supply can supply a larger voltage and a smaller current than the first power supply to the work gap. A switching element is connected between the parallel circuit and the work gap for pulsing power from the parallel circuit.

Abstract: A gas sensor has a housing, a gas sensing element held by the housing and having a gas contact portion and an element cover for covering the gas contact portion. The element cover has a double pipe structure formed by layering an outer pipe and an inner pipe. The outer pipe has an outer bottom portion having an outer bottom hole and an outer side portion having plural outer side holes. The inner pipe has an inner bottom portion having an inner bottom hole and an inner side portion having plural inner side holes disposed not to overlap the outer side holes. A spacing D of 0.2-1.0 mm is formed between the outer bottom portion and the inner bottom portion. As a result, flow resistance in the spacing D is relatively high, and the sample gas sufficiently and more smoothly flows toward the gas sensing element. Therefore, the element cover prevents condensed water from entering the inside of the gas sensor and improves response of the gas sensor.

Abstract: An air-fuel ratio control system for a gas-fueled engine which is capable of achieving the combustion in a target air-fuel ratio to surely purify an exhaust gas through an exhaust purification catalyst. In the air-fuel ratio control system, a three-way catalytic converter is placed in an exhaust pipe of the engine and an O2 sensor is located on the upstream side of the three-way catalytic converter. The O2 sensor comprises an element, and an atmosphere side electrode is formed on an inner surface of the element while an exhaust gas side electrode is formed on an outer surface thereof. The exhaust gas side electrode is coated with a catalyst layer which can remove hydrogen through a catalytic reaction. A control unit of the control system controls a fuel supply quantity by a gas injector using a feedback correction coefficient on the basis of the output of the O2 sensor, thereby reducing the deviation between an air-fuel ratio measured by the O2 sensor and a target air-fuel ratio.

Abstract: A texture treatment for a carbon substrate of a magnetic disk or for a carbon overcoat layer of a magnetic disk is effective to prevent the generation of a stiction phenomenon between a magnetic head and the surface of a magnetic disk. The texture treatment for a carbon substrate or carbon overcoat of a magnetic disk involves the steps of: preparing the carbon disk surface; forming a catalytic material layer on the surface; and performing a heat treatment of the disks in an oxidizing atmosphere. Preferably, islands of catalytic material are formed on the surface by sputtering, and a laser heat treatment is used in an oxidizing atmosphere.

Abstract: Magnetic recording media suitable for high density recording are provided by a carbon substrate, a magnetic recording layer, and at least one interlayer therebetween which provides one or more properties beneficial to preventing diffusion, inducing a preferred orientation in the magnetic recording layer and/or promoting adhesion between a carbon substrate and a barium hexaferrite-based magnetic recording layer. Alternatively, the present magnetic recording media may contain two different interlayers, which bar diffusion of carbon atoms from said substrate to said magnetic recording layer, improve adhesion between adjacent layers, induce an orientation in the magnetic recording layer, or any combination thereof. The present recording media are particularly advantageous for perpendicular recording. Processes for producing these magnetic recording media are also provided.

Abstract: A positive-temperature-coefficient thermistor heating device including of a PTC element, a first electrode formed on its surface, a heat radiating means having heat radiating fins and a second electrode, and conductive particles contained in the first electrode and electrically conductive with the second electrode, and, also, a process for production of a positive-temperature-coefficient thermistor heating device including the steps of printing an electrode material paste containing conductive particles on the surface of a PTC element, heating this to bake it on and form a first electrode having a rough surface, and bringing the first electrode and the second electrode of the heat radiating means into contact by the conductive particles.

Abstract: A method of manufacturing a magnetic recording medium such as for a magnetic disc, in which a magnetic layer comprising a Co-based alloy is formed on a carbon substrate and a heat treatment is applied at a temperature of 250.degree. to 1450.degree. C. to improve the coercive force. Further, the squareness ratio is improved by applying the heat treatment under a magnetic field. Greater coercive force can be obtained by forming a Cr underlayer prior to the formation of the magnetic layer. Increased recording density of the magnetic recording medium can be realized by improving the coercive force and the squareness ratio in this way.

Abstract: The present invention is a warm-air machine control apparatus which is capable of blowing warm air from the beginning of the delivery of air without preheating an electric heater, and which comprises an electric fan (4), an electric heater (5) which heats air sent from the electric fan (4), a detector (7) which detects a first object to be detected within a first detecting range (a, c) and which also detects a second object to be detected within a second detecting range (b, d), and a control circuit which energizes the electric heater (5) when the detector (7) detects the first object of detection within the first detecting range (a, c), and which energizes the electric fan (4) when the detector (7) detects the second object of detection within the second detecting range (b, d).

Abstract: Magnetic recording media, wherein a substrate of Al-Mg alloy prepared from aluminum metal at a purity of higher than 99.99% is surface finished by electrolytic abrasive polishing and a thin film layer of ferromagnetic material is formed thereover as a recording layer.The Al-Mg alloy is preferably prepared by rapid-cooling solidification.

Abstract: A fuel filter device for use with diesel engines has a manually operable pump section and a filter container housing therein a filter element and detachably attached to the pump section. The pump section has a manually operable diaphragm facing a chamber having fuel inlet and outlet respectively communicated with a fuel tank and the filter container. The inlet and outlet are provided with valves responsive to the fuel pressure at the inlet and to a pressure variation caused by the diaphragm in the chamber to allow the fuel to flow through the inlet into the chamber and through the outlet into the container in which the fuel flows through the filter element and out of the container to a discharge port of the pump section. An electric heater is disposed in the chamber adjacent to the path of the flow of the fuel in the chamber. A fuel temperature or pressure sensor is disposed downstream of the filter element to provide a signal for the control of the electrical supply to the heater.