Abstract: A thermally conductive film adhesive composition including an epoxy resin (A), an epoxy resin curing agent (B), a polymer component (C), a polyhedral alumina filler (D), and a silane coupling agent (E), wherein a percentage of the polyhedral alumina filler (D) to a total content of the epoxy resin (A), the epoxy resin curing agent (B), the polymer component (C), the polyhedral alumina filler (D), and the silane coupling agent (E) is from 20 to 70 vol %, and wherein a blending multiple of the silane coupling agent is from 1.0 to 10; a film adhesive using the composition; a semiconductor package; and a producing method thereof.

Abstract: A magnetic disk substrate having a pair of front and back principal surfaces, containing fixed portions that are in contact with fixing jigs when the magnetic disk substrate configured as a magnetic disk is incorporated in a hard disk device on the respective front and back principal surfaces, wherein a root mean square deviation Rq of surface roughnesses of the fixed portions on the respective front and back principal surfaces is from 0.01 to 0.44 ?m.; and a magnetic disk using the same.

Abstract: A rotary connector device includes a stator, a rotator, and a cable holder. The rotator includes a rotator-side connector detachably connectable to a harness connector provided to an end portion of a cable of a wire harness. The rotator is provided rotatably relative to the stator about a rotational axis. The cable holder is provided to the rotator to hold the cable in a state where the harness connector is connected to the rotator-side connector.

Abstract: A welding method includes: emitting laser beam toward a workpiece including a metal to melt and weld a part of the workpiece, the part being where the laser beam has been emitted to. Further, the laser beam includes a main power region and at least one auxiliary power region, a power of the main power region is larger than a power of each of the at least one auxiliary power region, and a ratio between the power of the main power region and the total of powers of the at least one auxiliary power region is in a range of 144:1 to 1:9.

Abstract: A connection structure of high-temperature superconducting wires includes first and second superconducting wires which are high-temperature superconducting wires respectively having a base material consisting of metal or alloy, and an oxide superconducting layer formed on the base material. A joint portion containing a superconducting connection portion between the first and second superconducting wires joins the first and second superconducting wires in a positional relationship facing the surfaces of first and second superconducting layers which are the oxide superconducting layers of each of the first and second superconducting wires, are opposed to each other. In a base material of at least one superconducting wire among the first and second superconducting wires, a first portion constituting the joint portion is thicker than a second portion not constitute the joint portion in the same base material.

Abstract: To provide a functional structural body that can realize a long life time by suppressing the decline in function of the functional substance and that can attempt to save resources without requiring a complicated replacement operation, and to provide a method for making the functional structural body. The functional structural body (1) includes a skeletal body (10) of a porous structure composed of a zeolite-type compound, and at least one functional substance (20) present in the skeletal body (10), the skeletal body (10) has channels (11) connecting with each other, and the functional substance is present at least in the channels (11) of the skeletal body (10).

Abstract: The disclosure provides a vapor chamber that has excellent fixing stability of a wick structure inside a container and also has excellent circulation properties for a liquid-phase working fluid due to excellent capillary force of the wick structure. The vapor chamber includes a container in which a cavity portion is formed by one plate-shaped body and another plate-shaped body facing the one plate-shaped body, a working fluid enclosed in the cavity portion, and a wick structure contained in the cavity portion and welded to the container so that a welded portion is formed in the wick structure.

Abstract: An aluminum alloy material which has high yield strength and excellent electric and thermal conductivity and can have a constant break elongation even when the aluminum alloy material has a small diameter. The aluminum alloy material has an alloy composition including 0.05 to 1.50 mass % of Fe, at least one of 0.01 to 0.15 mass % of Si, 0.01 to 0.30 mass % of Cu and 0.01 to 1.50 mass % of Mg, and a remainder made up by Al and unavoidable impurities, and has a fibrous metallic structure in which a plurality of crystal grains extend in line in one direction. The average value of maximum dimensions of the plurality of crystal grains in a direction perpendicular to the length direction is 800 nm or less in a cross section parallel to the aforementioned one direction, and there is no specific void of which the maximum dimension in a direction perpendicular to the length direction is 1.

Abstract: An optical module includes: a modulator containing an InP-based semiconductor material, the modulator including a modulation signal providing unit configured to modulate input light; and an optical integrated circuit optically coupled to the modulator, the optical integrated circuit integrating a plurality of waveguides and a plurality of optical elements including a silicon-based semiconductor material. The optical integrated circuit is configured to output light passed through any one of the waveguides or any one of the optical elements to the modulator, receive modulation light generated by the modulator that modulates the light, and output the modulation light passed through any one of other waveguides or any one of other optical elements.

Abstract: A functional structure which can suppress functional degradation of a functional material to achieve longer life, which can save resources without complicated replacement operations, and which, used for example as a catalyst, exhibits excellent catalytic activity. The functional structure includes supports each having a porous structure and including a zeolite-type compound, and at least one functional material present in the supports and including a metal element (M), in which each of the supports has channels communicating with one another, the functional material is present at least in the channel of each of the supports, and the metal element (M) having constituted the functional material is partially substituted with an element having constituted the supports.

Abstract: A method of welding a workpiece by using a laser is provided which includes disposing a workpiece in a region to be irradiated with laser light from a laser oscillator; and irradiating the workpiece with the laser light from the laser oscillator such that an irradiated portion of the workpiece is melted and welded while sweeping the laser light over the workpiece by relatively moving the laser light and the workpiece. The laser light is formed of a main beam and an auxiliary beam, at least part of the auxiliary beam being disposed anteriorly in a sweep direction, and the main beam has a power density equal to or greater than a power density of the auxiliary beam.

Abstract: A light source includes: a seed light source configured to output incoherent seed light having a predetermined bandwidth; and a booster amplifier that is a semiconductor optical amplifier configured to optically amplify the seed light entered through a first end facet and output the amplified light through a second end facet. The booster amplifier has nL being set, which is a product of a refractive index n and a chip length L, so as to simultaneously suppress relative intensity noise (RIN) and ripple in the amplified light.

Abstract: An optical device includes: a first optical component configured to transmit light between a first end and a second end; a second optical component configured to either focus and couple the light to the first end or collimate the light emitted from the first end; and a transmissive component interposed between the first optical component and the second optical component and configured to transmit the light emitted from the first end or incident on the first end, and make a distance between the second optical component and the first end longer than in a case without the transmissive component.

Abstract: An electric power converter includes: a direct current electric power conversion unit connected to a direct current bus and configured to convert input electric power and output the converted electric power; a measurement unit configured to obtain a measured value of an electric characteristic value of the input electric power or the output electric power; a communication unit configured to perform communication with an external device and receive a reference function having a characteristic with a defined target value for an electric characteristic value according to an input value; a storage unit configured to store a standard reference function having a predetermined characteristic; and a control unit configured to control an electric power conversion characteristic of the electric power conversion unit based on a target value determined according to an input value, by voltage control corresponding to the characteristic, or by electric power control or electric current control.

Abstract: The vapor chamber includes a container having a cavity formed of one plate-shaped body to which a heating element is thermally connected and another plate-shaped body facing the one plate-shaped body, a working fluid enclosed in the cavity, and a wick structure that is enclosed in the cavity and separated from the container. The container includes a support part protruding from an inner surface of the other plate-shaped body toward the one plate-shaped body, the support part being formed of a recessed part provided to an outer surface of the other plate-shaped body. At the rising base portion of the support part from the inner surface of the other plate-shaped body, the defined angle between the support part and the inner surface of the other plate-shaped body is an obtuse angle.

Abstract: An apparatus and method for producing hydrocarbons including aromatic hydrocarbons and lower olefins including propylene from CH4 and CO2 through CO and H2 with high activity and high selectivity.

Abstract: An electrical contact material includes an electroconductive substrate, and a silver-containing layer including silver provided to at least part of a surface of the electroconductive substrate. An average GOS value of the silver-containing layer is 1.00° or less and a proportion of KAM value of 1.00° or more in the silver-containing layer is 20% or more in a cross section of the electrical contact material.

Abstract: A battery state detection device includes a sensor, communicator circuitry, and estimator circuitry. The sensor is configured to measure at least one of a voltage, a current, and a temperature of a rechargeable battery installed to a vehicle. The communicator circuitry is configured to obtain reference information relating to battery state detection from an external device. The estimator circuitry is configured to estimate a state of the rechargeable battery based on a measured value of the sensor. The estimator circuitry is configured to correct at least one of an estimation equation and a parameter based on the reference information.

Abstract: An optical fiber connection structure includes a first optical fiber and a second optical fiber each including plural cores and a cladding surrounding outer peripheries of the plural cores, the first optical fiber and the second optical fiber being connected to each other at end faces of the first optical fiber and the second optical fiber, arrangements of the plural cores of the first optical fiber and the second optical fiber matching each other at least partly.

Abstract: A blood glucose measurement device capable of measuring a blood glucose in the blood while suppressing the influence of light absorption by water in a living body. The blood glucose measurement device includes a light source that irradiates light having a wavelength selected from a wavelength band of 800 to 950 nm, and a sensor that receives light transmitted, reflected, or scattered in a living body and outputs information according to the amount of light received. A blood glucose acquisition unit acquires the blood glucose in the blood in the living body based on the information obtained by the sensor.