Abstract: A transistor that is formed using an oxide semiconductor film is provided. A transistor that is formed using an oxide semiconductor film with reduced oxygen vacancies is provided. A transistor having excellent electrical characteristics is provided. A semiconductor device includes a first insulating film, a first oxide semiconductor film, a gate insulating film, and a gate electrode. The first insulating film includes a first region and a second region. The first region is a region that transmits less oxygen than the second region does. The first oxide semiconductor film is provided at least over the second region.

Abstract: A mobile body=includes a reflection control layer that is formed on a surface of the mobile body, to absorb light in a wavelength region from 0.3 micrometer to 0.75 micrometer of incident sunlight, and emit light in a wavelength region from 0.75 micrometer to 100 micrometers.

Abstract: A mobile body has a reflection control layer that reflects light in a wavelength region of sunlight or in a wavelength region of infrared radiation formed on a surface thereof. A mainstream outside the mobile body is heated by the reflected light to reduce air resistance of the mobile body. A refractive index of the reflection control layer is a value outside a range between a refractive index of a body-side substance and a refractive index of air. A thickness of the reflection control layer is equal to or larger than a value obtained by dividing 187.5 nanometers by a refractive index of the reflection control layer, and equal to or smaller than a value obtained by dividing 275,000 nanometers by a refractive index of the reflection control layer.

Abstract: A holding device includes a cylindrical main body portion having an outer cross-section equal to or less than a cross-section defining the inner wall of an upper portion and a pair of locking pieces protruding outward from the distal end portion of the main body portion in the direction of the central axis along a direction perpendicular to the central axis at the positions of a pair of slots while the main body portion is positioned within the inner wall of the upper portion when viewed from the direction of the central axis. The pair of locking pieces have such a shape as to be contained within the outer shape of the head portion while being positioned within the pair of slots.

Abstract: A semiconductor device that can be miniaturized or highly integrated is provided. The semiconductor device includes a transistor and a capacitor. The transistor includes a metal oxide and a first conductor that is electrically connected to the metal oxide. The capacitor includes a first insulator which is provided over the metal oxide and which the first conductor penetrates; a second insulator provided over the first insulator and including an opening reaching the first insulator and the first conductor; a second conductor in contact with an inner wall of the opening, the first insulator, and the first conductor; a third insulator provided over the second conductor; and a fourth conductor provided over the third insulator. The first insulator has higher capability of inhibiting the passage of hydrogen than the second insulator.

Abstract: A semiconductor device in which parasitic capacitance is reduced is provided. A first insulating layer is deposited over a substrate. A first oxide insulating layer and an oxide semiconductor layer are deposited over the first insulating layer. A second oxide insulating layer is deposited over the oxide semiconductor layer and the first insulating layer. A second insulating layer and a first conductive layer are deposited over the second oxide insulating layer. A gate electrode layer, a gate insulating layer, and a third oxide insulating layer are formed by etching. A sidewall insulating layer including a region in contact with a side surface of the gate electrode layer is formed. A second conductive layer is deposited over the gate electrode layer, the sidewall insulating layer, the oxide semiconductor layer, and the first insulating layer. A third conductive layer is deposited over the second conductive layer. A low-resistance region is formed in the oxide semiconductor layer by performing heat treatment.

Abstract: A fuel cell system comprises a solid oxide fuel cell which generates a power by receiving a supply of an anode gas and a cathode gas. The system comprises a cathode gas supply unit to supply the cathode gas to the fuel cell via a cathode gas supply route; a first burner arranged in the cathode gas supply route, a second burner to burn an anode off-gas and a cathode off-gas, which are discharged from the fuel cell; a first branch path which is branched out from an upstream of the first burner and joins to a downstream of the first burner in the cathode gas supply route; and a second branch path which is branched out from a downstream of the first burner in the cathode gas supply route and joins to a cathode off-gas discharge route through which the cathode off-gas is discharged from the fuel cell to the second burner.

Abstract: A floor covering including: a floor covering main body and a surface layer provided on the floor covering main body, wherein the surface layer contains a thermoplastic resin and a plasticizer in an amount of from 20 to 50 parts by mass based on 100 parts by mass of the thermoplastic resin, wherein the plasticizer contains a benzoic acid ester-based plasticizer in an amount of from 10 to 80% by mass. According to the present invention, a floor covering having excellent workability and anti-soiling property can be provided.

Abstract: A supporting apparatus (40) for a kick pad (1) includes a supporting frame (41˜44) that supports a kick pad (1) including a piezoelectric element that converts a vibration generated by beating with a beater into an electric signal and outputs the electric signal, and a fixation frame (51, 52) that fixes the supporting apparatus (40) to an inner surface of a shell of a bass drum while a striking surface (2a) of the kick pad (1) is arranged in a position beaten by the beater.

Abstract: A discharge device is provided. The discharge device includes a liquid feed-discharger, and the liquid feed-discharger includes a feed unit configured to feed a liquid and a discharge unit having discharge holes configured to discharge the liquid fed by the feed unit. A ratio (X/Y) of a maximum cross-sectional area X (mm2) to a minimum cross-sectional area Y (mm2) of the liquid feed-discharger in a direction orthogonal to an axial direction of the liquid feed-discharger is from 1 to 5.

Abstract: The present invention allows a user to realize that a display device is in a state of low electric power consumption. A display device (1) is a display device for refreshing a display screen at a refresh rate which is variable, the display device including: an eco-state sensing circuit (8) for specifying the refresh rate which is variable; and a state display control circuit (9) for presenting a state of the specified refresh rate to a user.

Abstract: A kick pad includes a piezoelectric element (1) that converts a vibration generated by beating with a beater into an electric signal and outputs the electric signal, an impact-absorbing member (5) arranged between the piezoelectric element (1) and a surface (21a) to be beaten by the beater, and a sheet-like striking surface cover (21) that includes a front surface including the surface (21a) to be beaten, and that wraps the impact-absorbing member (5), together with the piezoelectric element (1), on a back surface side of the striking surface cover (21).

Abstract: A supporter (10) attaches a kick pad to be beaten with a beater to a stand installed on a floor surface. The supporter (10) includes an elastic member (1) that fixes the kick pad to one end as viewed in a direction intersecting with a direction in which the kick pad is beaten with the beater, and that fixes the other end as viewed in the intersecting direction to the stand.

Abstract: Electric power that a display device consumes in reversal of polarity is reduced. A display control section (3) includes: a refresh rate detecting section (31) which detects a refresh rate of a display device (100 or 200); and a polarity reversal control section (32 or 33) which controls reversal of polarity so as to be carried out at a frequency lower than the refresh rate.

Abstract: A robot system includes a robot, a first movable object on which the robot is mounted and which is configured to move with the robot, a camera mounted on the first movable object to take, while the first movable object is moving, a plurality of images of a reference object that relates to a position of a workpiece, and circuitry configured to control the robot to operate on the workpiece based on the plurality of images while the first movable object is moving.

Abstract: In the present invention, a bis (fluorosulfonyl) imide metal salt is an alkali metal salt of bis (fluorosulfonyl) imide or an alkaline earth metal salt of bis (fluorosulfonyl) imide. The bis (fluorosulfonyl) imide metal salt has an average particle diameter of not less than 0.1 mm, or has an average moisture absorption rate of not more than 2.5 mass ppm/cm2·min when sealed in a PE bag having a thickness of 80 ?m and left for 30 minutes at 23° C. and 65% humidity.

Abstract: A paper feed roller of the present invention comprises a roller body 2 integrally formed of elastic material in a cylindrical shape in which a plurality of protruding lines 6 are disposed on a peripheral surface 5 at even intervals, wherein the roller body 2 is formed so that crest portions 6a and trough portions 6b are continuously provided in a circumferential direction, an opening angle ? is equal to or more than 2° and is equal to or less than 8°, a radial height h of the protruding line is equal to or more than 0.051 mm and is equal to or less than 0.1 mm, and a curvature radius r1 at a shoulder is equal to or more than 0.55 mm.

Abstract: A manipulation unit includes a body, a tool holder, and a manipulated portion. The body has a first end, a second end opposite to the first end, and a peripheral surface connecting the first end and the second end. The first end is attachable to a robot arm. The tool holder is connected to the second end and configured to hold a tool. The manipulated portion is provided on the peripheral surface. The manipulated portion includes a manipulation surface and a surrounding portion. The robot arm is to be operated via the manipulation surface. The surrounding portion surrounds the manipulation surface such that the manipulation surface is recessed from the surrounding portion.

Abstract: A holding device includes a cylindrical main body portion having an outer cross-section equal to or less than a cross-section defining the inner wall of an upper portion and a pair of locking pieces protruding outward from the distal end portion of the main body portion in the direction of the central axis along a direction perpendicular to the central axis at the positions of a pair of slots while the main body portion is positioned within the inner wall of the upper portion when viewed from the direction of the central axis. The pair of locking pieces have such a shape as to be contained within the outer shape of the head portion while being positioned within the pair of slots.

Abstract: The present invention provides a safe and highly efficient method for producing graphite oxide. The present invention relates to a method for producing graphite oxide by oxidizing graphite, the method including the step of oxidizing graphite by adding a permanganate to a liquid mixture containing graphite and sulfuric acid while maintaining the concentration of heptavalent manganese at 1% by mass or less in 100% by mass of the liquid mixture.