Abstract: In an imaging device, a heat dissipation unit including a fan is disposed at a left side edge when viewed from an imaging device operator when the imaging device is held at a lateral position.

Abstract: A circuit component includes a magnetic layer, a first insulating layer, a second insulating layer, and a wiring. The first insulating layer is stacked on a first side in a thickness direction relative to the magnetic layer, and the second insulating layer is stacked on a second side in the thickness direction relative to the magnetic layer. The wiring includes a first wiring layer located between the magnetic layer and the first insulating layer, a second wiring layer located on the second side in the thickness direction relative to the second insulating layer, and a first through-wiring segment penetrating the magnetic layer and the second insulating layer and connected to the first wiring layer and the second wiring layer. The first wiring layer, the second wiring layer, and the first through-wiring segment constitute a winding segment.

Abstract: A power module (PM) includes: an insulating substrate; a semiconductor device disposed on the insulating substrate, the semiconductor device including electrodes on a front surface side and a back surface side thereof; and a graphite plate having an anisotropic thermal conductivity, the graphite plate of which one end is connected to the front surface side of the semiconductor device and the other end is connected to the insulating substrate, wherein heat of the front surface side of the semiconductor device is transferred to the insulating substrate through the graphite plate. There is provide an inexpensive power module capable of reducing a stress and capable of exhibiting cooling performance not inferior to that of the double-sided cooling structures.

Abstract: A power module (PM) includes: an insulating substrate; a semiconductor device disposed on the insulating substrate, the semiconductor device including electrodes on a front surface side and a back surface side thereof; and a graphite plate having an anisotropic thermal conductivity, the graphite plate of which one end is connected to the front surface side of the semiconductor device and the other end is connected to the insulating substrate, wherein heat of the front surface side of the semiconductor device is transferred to the insulating substrate through the graphite plate. There is provide an inexpensive power module capable of reducing a stress and capable of exhibiting cooling performance not inferior to that of the double-sided cooling structures.

Abstract: A circuit component includes a resin composite body and a conductor. The resin composite body is composed of a resin material and a plurality of magnetic particles contained in the resin material. The conductor is formed on the surface of the resin composite body. The magnetic particles are dispersed in the resin material.

Abstract: An apparatus includes a control device configured to serve as a principal controlling agent in an electric power conversion device incorporating a switching circuit configured to be a bidirectional inverter. The control device is configured to subtract, from a reference signal that is determined in accordance with an operation mode of the electric power conversion device, a multiplied signal obtained by multiplying a control-target current of the switching circuit by a prescribed coefficient to generate, based on a result of the subtraction, a control signal for controlling the bidirectional inverter.

Abstract: According to the rubber composition for a tire tread comprising a diene-based rubber component, and, based on 100 parts by mass of the diene-based rubber component, 0.5 to 6.0 parts by mass of a branched alkane of 40 to 70 carbon atoms, 0.05 to 3.5 parts by mass of a linear alkane of 45 or more carbon atoms and 1 to 35 parts by mass of aluminum hydroxide, and a tire comprising tread composed of the rubber composition for a tire tread of the present invention, a rubber composition for a tire tread capable of improving initial wet grip performance can be provided, thereby providing a tire having such improved initial wet grip performance.

Abstract: A semiconductor device includes at least one semiconductor element having a switching function; a conductive member that forms a path of a current switched by the semiconductor element, and that is made of a first material; and a covering layer that covers at least a portion of the conductive member, and that is made of a second material. The second material satisfies at least one of the following three requirements: (a) having a magnetic permeability higher than the first material; (b) having an electrical resistivity higher than the first material; and (c) having a dielectric loss tangent larger than zero.

Abstract: A semiconductor device includes a first and a second switching element, a first and a second conductive member, and a capacitor. The first switching element has a first element obverse surface and a first element reverse surface facing away from each other in a first direction. The second switching element has a second element obverse surface and a second element reverse surface facing away from each other in the first direction. The first and second conductive members are spaced apart in a second direction orthogonal to the first direction. The capacitor has a first and a second connection terminal. The first and second switching elements are connected in series, forming a bridge. The first and second connection terminals are electrically connected to opposite ends of the bridge. The capacitor and the first switching element are on the first conductive member, the second switching element on the second conductive member.

Abstract: The present invention provides a tread rubber composition that is excellent in wet grip performance during the initial phase of running and tensile properties, and a pneumatic tire including the tread rubber composition. The present invention relates to a tread rubber composition containing: a diene rubber; silica; and sulfur and/or a sulfur-containing compound, the tread rubber composition satisfying the following relationships (1) to (3): EB/M300?50??(1); M100?1.7 MPa??(2); and EB?500%??(3).

Abstract: A power module (PM) includes: an insulating substrate; a semiconductor device disposed on the insulating substrate, the semiconductor device including electrodes on a front surface side and a back surface side thereof; and a graphite plate having an anisotropic thermal conductivity, the graphite plate of which one end is connected to the front surface side of the semiconductor device and the other end is connected to the insulating substrate, wherein heat of the front surface side of the semiconductor device is transferred to the insulating substrate through the graphite plate. There is provide an inexpensive power module capable of reducing a stress and capable of exhibiting cooling performance not inferior to that of the double-sided cooling structures.

Abstract: A grease base oil, containing: condensation esters of alcohols (A) and carboxylic acids (B), wherein the alcohols (A) include a polyhydric alcohol represented by General Formula (1), the carboxylic acids (B) include a fatty acid having 5 to 9 carbon atoms (B-1), a branched fatty acid having 15 to 20 carbon atoms (B-2), a cycloalkane monocarboxylic acid having 4 to 8 carbon atoms (B-3), and an aromatic carboxylic acid (B-4), and the carboxylic acids (B) have a percentage of (B-1) above of 30 mol % to 50 mol %, a percentage of (B-2) above of 30 mol % to 50 mol %, a percentage of (B-3) above of 10 mol % to 30 mol %, and a percentage of (B-4) above of 1 mol % to 15 mol %. The grease base oil contains condensation esters having heat resistance and low temperature storageability.

Abstract: Provided is a tire which provides improved overall performance in terms of wet grip performance and abrasion resistance. Included is a tire including a tread containing a rubber composition, the rubber composition containing at least one rubber component and at least one silane coupling agent having a sulfur content of 10% by mass or higher, the rubber composition having an ash content of 36% by mass or higher, the rubber composition having a sulfur content of 1.0% by mass or lower when measured after acetone extraction.

Abstract: A power module (PM) includes: an insulating substrate; a semiconductor device disposed on the insulating substrate, the semiconductor device including electrodes on a front surface side and a back surface side thereof; and a graphite plate having an anisotropic thermal conductivity, the graphite plate of which one end is connected to the front surface side of the semiconductor device and the other end is connected to the insulating substrate, wherein heat of the front surface side of the semiconductor device is transferred to the insulating substrate through the graphite plate. There is provide an inexpensive power module capable of reducing a stress and capable of exhibiting cooling performance not inferior to that of the double-sided cooling structures.

Abstract: A grease base oil, containing: condensation esters of alcohols (A) and carboxylic acids (B), wherein the alcohols (A) include a polyhydric alcohol represented by General Formula (1), the carboxylic acids (B) include a fatty acid having 5 to 9 carbon atoms (B-1), a branched fatty acid having 15 to 20 carbon atoms (B-2), a cycloalkane monocarboxylic acid having 4 to 8 carbon atoms (B-3), and an aromatic carboxylic acid (B-4), and the carboxylic acids (B) have a percentage of (B-1) above of 30 mol % to 50 mol %, a percentage of (B-2) above of 30 mol % to 50 mol %, a percentage of (B-3) above of 10 mol % to 30 mol %, and a percentage of (B-4) above of 1 mol % to 15 mol %. The grease base oil contains condensation esters having heat resistance and low temperature storageability.

Abstract: AC power supply device 1 includes input capacitors 11 and 12 connected at a neutral point X of a three-phase output, transistor bridges 20* (where * denotes U, V, and/or W) each consisting of PWM control badges 20*1 and 20*2 each including two switch elements, transformers T* connected to output terminals of the transistor bridges 20*, reactors Ls* connected to the transformers T*, smoothing capacitors 40* connected to the reactors Ls*. The transformers T* are autotransformers including a core 33* and windings 31* and 32* coupled with each other via the core 33*. One ends of the windings are connected to output terminals of the PWM control bridges 20*1 and 20*2, respectively, while the other terminals are connected to the reactors Ls*. The windings 31* and 32* are wound in such directions that magnetic fluxes generated in the core 33* are cancelled with each other.

Abstract: A control device 100 is used as a principle controller of an electric power conversion device 1 having a switch circuit 10 including transistors M1-M4. The control device: subtracts, from a reference signal REF set in accordance with an operating mode MODE (PFC/INV) of the electric power conversion device 1, a product signal (K×I) obtained by multiplying an object-of-control electric current I of the switch circuit 10 by a prescribed coefficient K; and generates, on the basis of the computation result (=REF?K×I), control signals S1-S4 (and consequently, gate signals G1-G4) for the transistors M1-M4.

Abstract: The present invention provides a pneumatic tire that can improve wet grip performance while maintaining a good TGC resistance, even when the tire is stored as having a thin thickness of a subtread at a bottom of a tread main groove, and rim-assembled and mounted on a vehicle to be left to stand. The present invention relates to a pneumatic tire comprising a tread part, the tread part comprising at least a cap tread and a jointless band, the cap tread being formed of a rubber composition for a cap tread, the jointless band comprising fiber cords coated with a rubber composition for fiber cord toppings, the rubber composition for a cap tread comprising 3.0 parts by mass or more of antioxidant based on 100 parts by mass of a rubber component comprising a diene-based rubber, and wherein a subtread thickness at the bottom of tread main grooves is 0.1 to 3.

Abstract: According to the rubber composition for a tire tread comprising a diene-based rubber component, and, based on 100 parts by mass of the diene-based rubber component, 0.5 to 6.0 parts by mass of a branched alkane of 40 to 70 carbon atoms, 0.05 to 3.5 parts by mass of a linear alkane of 45 or more carbon atoms and 1 to 35 parts by mass of aluminum hydroxide, and a tire comprising tread composed of the rubber composition for a tire tread of the present invention, a rubber composition for a tire tread capable of improving initial wet grip performance can be provided, thereby providing a tire having such improved initial wet grip performance.

Abstract: An object of the present invention is to provide a tire having a good mold releasability even though the tire has a sipe with a complicated shape such as a three-dimensional shape and with abrasion resistance and wet grip performance maintained or improved. The tire comprises a cap tread, wherein the cap tread is composed of a rubber composition comprising 0.20 parts by mass or more of C40-C70 branched alkane based on 100 parts by mass of a rubber component and having 0.16 or less of tan ? at 30° C., and wherein the cap tread has a sipe with a three-dimensional shape or a sipe with a portion of a maximum cross-sectional area inside a surface of the tread, and wherein the maximum cross-sectional area is 1.1 times or more the minimum cross-sectional area.