Abstract: A turbo-type fluid machine includes a shaft configured to be rotationally driven, a compression mechanism having an impeller, and a coupling portion coupling an end portion of the shaft and the impeller with each other. The coupling portion is provided with a balance adjustment mechanism.

Abstract: A semiconductor device includes a substrate, a semiconductor layer, an element region, and fin transistors. The substrate includes a principal surface. The semiconductor layer is formed as a surface layer or on the principal surface of the substrate, the surface layer being the principal surface of the substrate. The semiconductor layer has a crystal structure in which an angle between two of crystal orientations with equivalent relationships on a crystal plane having a correspondence with the principal surface of the substrate is 60 degrees or 120 degrees. The element region includes unit element regions formed on the principal surface of the substrate. The fin transistors are formed in the semiconductor layer, in the respective unit element regions. The fin transistors radially extend from a center toward an outer periphery of the element region. Adjacent two of the fin transistors have a spacing with a 60° angle or a 120° angle.

Abstract: The present invention relates to a method for manufacturing a semiconductor substrate, including: (a) preparing an epitaxial substrate having a nitride semiconductor layer formed on a first main surface of a growth substrate and preparing a first support substrate, forming a resin adhesive layer between the first main surface of the growth substrate and a first main surface of the first support substrate, and bonding the epitaxial substrate to the first support substrate; (b) thinning a second main surface of the growth substrate; (c) forming a first protective thin film layer on the thinned growth substrate; (d) forming a second protective thin film layer on the first support substrate; (e) removing the thinned growth substrate; (f) bonding a second support substrate onto the nitride semiconductor layer; and (g) removing the first support substrate and the resin adhesive layer.

Abstract: The present embodiment relates to an electron multiplier or the like having a structure for realizing fast response characteristics as compared with the related art, and the electron multiplier includes at least a dynode unit, a stem, a coaxial cable, a conductive member, and a capacitor. The dynode unit includes multiple-stage dynodes, an anode, and a pair of insulating support members. An end portion of an outer conductor is drawn into the dynode unit together with an exposed portion of an inner conductor constituting a part of one end portion of the coaxial cable. With this configuration, it is possible to arrange the capacitor in a space between the dynode unit and the stem, and it is possible to fix the exposed portion of the inner conductor to a portion of the anode interposed between the pair of insulating support members.

Abstract: The present embodiment relates to an electron multiplier or the like having a structure for realizing fast response characteristics as compared with the related art, and the electron multiplier includes at least a dynode unit, a stem, a coaxial cable, a conductive member, and a capacitor. The dynode unit includes multiple-stage dynodes, an anode, and a pair of insulating support members. An end portion of an outer conductor is drawn into the dynode unit together with an exposed portion of an inner conductor constituting a part of one end portion of the coaxial cable. With this configuration, it is possible to arrange the capacitor in a space between the dynode unit and the stem, and it is possible to fix the exposed portion of the inner conductor to a portion of the anode interposed between the pair of insulating support members.

Abstract: A power supply unit for an aerosol generating device, includes a power supply, a heater connector connected to a heater configured to heat an aerosol source by consuming power supplied from the power supply, a case which constitutes a surface of the power supply unit, and a sensor which is disposed in the vicinity of the case and is configured to output a value related to a temperature of the case. Protection control for prohibiting one or both of charging of the power supply and discharging from the power supply to the heater is executed based on an output value of the sensor.

Abstract: A permanent magnet includes a recessed portion to fit therein with a protrusion provide in a rotor core; and, when the shortest distance between outmost part of the recessed portion and an outer periphery's circular arc portion of the magnet is defined as L1, and when the distance between the recessed portion and the outer periphery's circular arc portion is defined as L2 where the distance L2 passes through an intersection point at which a tangential line of outmost part on the recessed portion intersects with a parallel line, which defines as its start point a point from which a changeover to the recessed portion occurs from an adhesion surface between the magnet and the rotor core, and which is in parallel with a radial line extending from the rotor's shaft center toward the center of the magnet, the magnet includes the recessed portion that satisfies L2?L1.

Abstract: An effortless means for deflating a balloon of a catheter. A catheter system includes a catheter, a circuit for making fluid flow through the catheter, and a drive device having a bidirectionally drivable pump and a controller. The catheter includes an inflatable balloon, and a first lumen and a second lumen that allow the fluid to flow through the balloon. The controller drives the pump in a first direction to make the fluid flow from a buffer tank via a first flow path into the first lumen and to make the fluid flow out from the second lumen via a second flow path to the buffer tank, and drives the pump in a second direction opposite to the first direction to make the fluid flow from the first lumen via the first flow path into the buffer tank.

Abstract: An arousal state estimation apparatus includes: a feature value acquisition unit acquiring a plurality of types of feature values regarding an arousal state of a human body from physiological data obtained by measuring the human body; and an estimation unit estimating the arousal state of the human body by using a principal feature value that is some type among the plurality of types of feature values. In a case where the principal feature value is unacquirable due to a defect of the physiological data, the estimation unit estimates the arousal state of the human body by using a different type of feature value than the principal feature value among the plurality of types of feature values acquired by the feature value acquisition unit instead of the unacquirable principal feature value.

Abstract: A first-stage dynode is a first-stage dynode to be used in a photomultiplier tube, and includes a bottom wall portion and a pair of side wall portions extending from both end portions of the bottom wall portion in a predetermined direction to one side. An electron emission surface is formed by a bottom surface of the bottom wall portion on the one side and a pair of side surfaces of the pair of side wall portions on the one side, and each of the pair of side surfaces is a curved surface that is curved in a concave shape in a cross section parallel to the predetermined direction.

Abstract: A first-stage dynode is a first-stage dynode to be used in a photomultiplier tube, and includes a bottom wall portion and a pair of side wall portions extending from both end portions of the bottom wall portion in a predetermined direction to one side. An electron emission surface is formed by a bottom surface of the bottom wall portion on the one side and a pair of side surfaces of the pair of side wall portions on the one side, and each of the pair of side surfaces is a curved surface that is curved in a concave shape in a cross section parallel to the predetermined direction.

Abstract: Control apparatus that controls headlamp of a vehicle and HUD of the vehicle includes acquirer that obtains information about an object situated ahead of the vehicle from monitoring apparatus monitoring an area ahead of the vehicle, light emission controller that controls the light emission form of headlamp based on a position at which the object is present, and display controller that causes HUD to display an alert image indicating the position of the object such that the alert image is superimposed on or situated adjacent to the actual position of the object in a view that is observed in a forward direction with respect to the vehicle.

Abstract: An arousal state estimation apparatus includes: a feature value acquisition unit acquiring a plurality of types of feature values regarding an arousal state of a human body from physiological data obtained by measuring the human body; and an estimation unit estimating the arousal state of the human body by using a principal feature value that is some type among the plurality of types of feature values. In a case where the principal feature value is unacquirable due to a defect of the physiological data, the estimation unit estimates the arousal state of the human body by using a different type of feature value than the principal feature value among the plurality of types of feature values acquired by the feature value acquisition unit instead of the unacquirable principal feature value.

Abstract: Control apparatus that controls headlamp of a vehicle and HUD of the vehicle includes acquirer that obtains information about an object situated ahead of the vehicle from monitoring apparatus monitoring an area ahead of the vehicle, light emission controller that controls the light emission form of headlamp based on a position at which the object is present, and display controller that causes HUD to display an alert image indicating the position of the object such that the alert image is superimposed on or situated adjacent to the actual position of the object in a view that is observed in a forward direction with respect to the vehicle.

Abstract: A thermally assisted magnetic recording head has a waveguide that propagates laser light as propagating light; a main pole that has a first end portion on an air bearing surface (ABS) facing a magnetic recording medium and that emits a magnetic flux to the magnetic recording medium; a metal layer that is positioned between the main pole and the waveguide, that extends from a second end portion positioned on the ABS in a height direction, that generates surface plasmons from the propagating light, and that generates near-field light (NF light) from the surface plasmons at the second end portion; and a dielectric body layer that is surrounded by the metal layer and that extends from a third end portion positioned on the ABS in a height direction.

Abstract: A thermally assisted magnetic recording head has a waveguide that propagates laser light as propagating light; a main pole that has a first end portion on an air bearing surface (ABS) facing a magnetic recording medium and that emits a magnetic flux to the magnetic recording medium; a metal layer that is positioned between the main pole and the waveguide, that extends from a second end portion positioned on the ABS in a height direction, that generates surface plasmons from the propagating light, and that generates near-field light (NF light) from the surface plasmons at the second end portion; and a dielectric body layer that is surrounded by the metal layer and that extends from a third end portion positioned on the ABS in a height direction.

Abstract: A thermally assisted magnetic recording head includes: a main pole that has a main pole end face at an air bearing surface opposing a magnetic recording medium and emits magnetic flux from the main pole end face; a waveguide that propagates laser light as propagation light and has a first waveguide section provided with an incidence end face on which the laser light is incident, a second waveguide section provided with a waveguide end face positioned close to the main pole end face on the air bearing surface, and a third waveguide section that connects the first waveguide section to the second waveguide section; a metal layer surrounds at least a portion of the first waveguide section, the entire circumference of the second waveguide section and at least a portion of the third waveguide section.

Abstract: The bolt of the present invention can reliably peel coating even when fastened with a low torque, and can secure sufficient conductivity. A coating peeling part for peeling coating is formed at a tip end of an axis part in which a regular screw part is formed. The coating peeling part includes crushing parts having a trapezoidal top part and having a flank which is projected at a different angle with respect to the flank of the regular screw part; and a protruding part which is arranged adjacent to the crushing parts and whose top part projects beyond the outer diameter of the regular screw part.

Abstract: The bolt of the present invention can reliably peel coating even when fastened with a low torque, and can secure sufficient conductivity. A coating peeling part 4 for peeling coating is formed at a tip end of an axis part 2 in which a regular screw part 1 is formed. The coating peeling part 4 includes crushing parts 5 having a trapezoidal top part and having a flank which is projected at a different angle with respect to the flank of the regular screw part 1; and a protruding part 6 which is arranged adjacent to the crushing parts 5 and whose top part projects beyond the outer diameter of the regular screw part 1.

Abstract: A thin film magnetic head has a main magnetic pole layer; a first trailing shield that is positioned at the trailing side of the main magnetic pole layer, and that is close to the main magnetic pole layer; and a second trailing shield that is positioned at the trailing side of the first trailing shield, and that continues to the first trailing shield. An end surface of the second trailing shield positioned at the back side in the height direction has a first end side positioned at a medium opposing surface side, and a second end side positioned at the further back side in the height direction than the first end side, and at the trailing side closer than the first end side. An angle formed by a plane including the first end side and the second end side and a plane parallel to both the height direction and the track width direction is 30 degrees to 60 degrees.