Abstract: An eddy current deceleration device includes a rotor and a stator. The rotor includes a hub, a rotor body, and a spoke. The spoke has neutral axes. The first neutral axis is a neutral axis when the spoke is bent in a circumferential direction of the rotor body. The first neutral axis is positioned forward in a rotating direction of the rotor with respect to a center line of the spoke in the circumferential direction. The second neutral axis is a neutral axis when the spoke is bent in an axial direction of the rotor body. The second neutral axis is positioned on a rotor body side with respect to a center line of the spoke in the axial direction.

Abstract: Provided is a semiconductor device comprising: a plurality of trench portions include a gate trench portion and a dummy trench portion; a first lower end region of a second conductivity type that is provided to be in contact with lower ends of two or more trench portions which include the gate trench portion; a well region of a second conductivity type that is arranged in a different location from the first lower end region in a top view, and a second lower end region of a second conductivity type that is provided between the first lower end region and the well region in a top view being separated from the first lower end region and the well region, and provided to be in contact with lower ends of one or more trench portions including the gate trench portion.

Abstract: Provided is an electric device made more convenient by being configured such that the temperature of a wide area in each accommodation section can be individually adjustable. In an electric device, a first refrigerant pipe is provided to a right-side member constituting a side surface of a first accommodation chamber, and a second refrigerant pipe is provided to a left-side member constituting a side surface of a second accommodation chamber. The first refrigerant pipe and the second refrigerant pipe are independent of each other. A regulating valve includes: a first regulating valve provided to the first refrigerant pipe, and a second regulating valve provided to the second refrigerant pipe.

Abstract: Provided is a semiconductor device comprising: a plurality of trench portions; a first lower end region of a second conductivity type that is provided to be in contact with lower ends of two or more trench portions which include the gate trench portion; a well region of the second conductivity type that is arranged in a different location from the first lower end region in a top view, and a second lower end region of the second conductivity type that is provided between the first lower end region and the well region in a top view being separated from the first lower end region and the well region, and provided to be in contact with lower ends of one or more trench portions including the gate trench portion.

Abstract: Provided is an electrical device. In a setting unit, a right-room temperature display unit displays a set temperature or the current temperature of a first housing room. A left-room temperature display unit displays a set temperature or the current temperature of a second housing room. A right-room temperature setting button is an operation unit for a user to switch the set temperature of the first housing room. A left-room temperature setting button is an operation unit for a user switch the set temperature of the second housing room. The set temperature difference between the first and second housing rooms is controlled to be within a prescribed value. When the set temperature of one of the first and second housing rooms is changed so that the set temperature exceeds a prescribed value, a microcomputer automatically changes the other set temperature so that the set temperature difference is within a prescribed value.

Abstract: The invention provides a thawing device including a power and a pair of electrodes connected with the power, and thawing a frozen food disposed between the pair of electrodes through electric heating. The thawing device includes a cooling device configured to cool a temperature of a periphery of the frozen food to a predetermined temperature equal to or higher than a temperature of the frozen food before thawing and equal to or lower than 0° C.

Abstract: Provided is a semiconductor device including a transistor portion, in which the transistor portion has a drift region of a first conductivity type provided in a semiconductor substrate, a base region of a second conductivity type provided above the drift region, an accumulation region of the first conductivity type provided above the drift region, a plurality of trench portions provided to extend from a front surface of the semiconductor substrate to the drift region, and a trench bottom portion of the second conductivity type provided in bottom portions of the plurality of trench portions, and the accumulation region has a doping concentration with a half width of 0.3 ?m or more.

Abstract: A power generation element includes a magnetic member that produces a large Barkhausen effect and magnetism collection members including an insertion part having the magnetic member inserted therethrough. The magnetism collection member includes a first component on an opposite side of a boundary plane to a magnetic field generation unit and a second component on the same side of the boundary plane as the magnetic field generation unit, the boundary plane passing through a center of an imaginary circle inscribed in the insertion part and having a diameter equal to a length of the insertion part in a third direction perpendicular to first and second directions, the first direction is a direction of the insertion of the magnetic member, and the second direction is a direction in which the magnetic field generation unit is disposed. A volume of the second component is larger than a volume of the first component.

Abstract: A power generation element includes a magnetic member that produces a large Barkhausen effect and magnetism collection members including an insertion part having the magnetic member inserted therethrough. The magnetism collection member includes a first component on an opposite side of a boundary plane to a magnetic field generation unit and a second component on the same side of the boundary plane as the magnetic field generation unit, the boundary plane passing through a center of an imaginary circle inscribed in the insertion part and having a diameter equal to a length of the insertion part in a third direction perpendicular to first and second directions, the first direction is a direction of the insertion of the magnetic member, and the second direction is a direction in which the magnetic field generation unit is disposed. A volume of the second component is larger than a volume of the first component.

Abstract: The present disclosure includes: a magnetic member configured to cause a large Barkhausen effect; a power generation coil disposed so as to be wound around the magnetic member; and soft magnetic members formed at both end portions of the magnetic member so as to be in contact with the magnetic member and so as to press the magnetic member. Consequently, evenness of a magnetic flux density inside the magnetic member is increased, and the large Barkhausen effect is stably caused, whereby a highly stable power generation element is obtained.

Abstract: The present invention provides: a gas separation method which is capable of desirably separating a slight amount of a component from a mixed gas under mild conditions such that the pressure difference between both sides of a gas separation membrane is 1 atmosphere or less; and a gas separation membrane which is suitable for use in this gas separation method. According to the present invention, in a gas separation method wherein a specific gas (A) in a mixed gas, which contains the specific gas (A) at a concentration of 1,000 ppm by mass or less, is selectively permeated with use of a gas separation membrane, an extremely thin gas separation membrane that has a film thickness of 1 ?m or less is used, so that the gas (A) is desirably separated under mild conditions such that the pressure difference between both sides of the gas separation membrane is 1 atmosphere or less.

Abstract: An encoder includes: a magnet rotatably supported; a control board including a magnetic field sensor that detects a magnetic field produced by the magnet and outputs a signal, and an arithmetic unit that detects rotation of the magnet on the basis of the output of the magnetic field sensor; a magnetic shielding cover made of a soft magnetic material; an encoder bracket used to fix the magnetic shielding cover; a protective cover fixed with being sandwiched between the magnetic shielding cover and the encoder bracket to cover the magnet and the control board to prevent entry of foreign substances; and a sealing member sandwiched between the protective cover and the encoder bracket. The magnetic shielding cover covers the magnet, the control board, and the protective cover, and the sealing member is compressed between the encoder bracket and the protective cover.

Abstract: In an aspect, the present invention provides a structure, a structure-manufacturing method, a cell-sorting method, or the like. In an aspect, a structure (1) of the present invention is a structure including a first substrate (10) and a second substrate (20) disposed to face one side of the first substrate (10), in which the first substrate (10) has a plurality of depressions (11) which are open to the other side of the first substrate and each of which has a size that enables each of the depressions to capture one unit of a cell, at least some of the depressions (11) have communication holes (12) which communicate with one side and the other side of the first substrate and each of which has a size that enables secretions secreted from the cell to move through the communication holes, the second substrate (20) can include accumulation portions (13) in which the secretions moving through the communication holes (12) are accumulated, and the accumulation portions (13) can correspond to the depressions (11).

Abstract: The purpose of the present invention is to provide: a surface treatment liquid that is capable of favorably hydrophilizing or hydrophobing surfaces of an object to be treated without having to include a film forming resin; and a surface treatment method using the surface treatment liquid. The present invention provides a surface treatment liquid which comprises (A) a resin and (C) a solvent, wherein as (A) the resin, a resin is used which has a weight average molecular weight of 100000 or more and contains a functional group I which comprises one group or more selected from the group consisting of a hydroxyl group, a cyano group, and a carboxyl group, and a functional group II which is a hydrophilic group or a hydrophobic group other than the functional group I.

Abstract: An encoder includes a magnetic sensor having higher detection sensitivity to a magnetic field applied in a reading direction, while having lower detection sensitivity to a magnetic field applied in a direction forming a greater angle with respect to the reading direction, an encoder substrate having the magnetic sensor mounted thereon, a magnetic shield to shield against a magnetic field including a side portion covering sides of the magnetic sensor and a top-side portion covering a top of the magnetic sensor, a permanent magnet located to face the encoder substrate, a shaft having the permanent magnet attached to a tip end of the shaft, and a bracket to support the shaft in a rotatable manner, wherein on the side portion of the magnetic shield, a notch as a connector insertion portion is located not to overlap an extended area of the magnetic sensor in the reading direction.

Abstract: To provide a surface treatment liquid capable of making a base material including polyorganosiloxane on at least a part of a surface thereof hydrophilic stably over a long period of time, and provide a surface treatment method using the surface treatment liquid. In a surface treatment liquid including (A) resin and a (B) solvent, as the (A) resin, resin having a functional group I that is a hydroxyl group and/or a cyano group is used, and a functional group II that is a hydrophilic group other than the functional group I, and a ratio of a structural unit having an anionic group to total structural units of the (A) resin is 5 mol % or less, or resin including a cationic group including an anion moiety and a cation moiety that can be bonded to the (A) resin is used.

Abstract: The present invention provides: a gas separation method which is capable of desirably separating a slight amount of a component from a mixed gas under mild conditions such that the pressure difference between both sides of a gas separation membrane is 1 atmosphere or less; and a gas separation membrane which is suitable for use in this gas separation method. According to the present invention, in a gas separation method wherein a specific gas (A) in a mixed gas, which contains the specific gas (A) at a concentration of 1,000 ppm by mass or less, is selectively permeated with use of a gas separation membrane, an extremely thin gas separation membrane that has a film thickness of 1 ?m or less is used, so that the gas (A) is desirably separated under mild conditions such that the pressure difference between both sides of the gas separation membrane is 1 atmosphere or less.

Abstract: An encoder includes a magnetic sensor having higher detection sensitivity to a magnetic field applied in a reading direction, while having lower detection sensitivity to a magnetic field applied in a direction forming a greater angle with respect to the reading direction, an encoder substrate having the magnetic sensor mounted thereon, a magnetic shield to shield against a magnetic field including a side portion covering sides of the magnetic sensor and a top-side portion covering a top of the magnetic sensor, a permanent magnet located to face the encoder substrate, a shaft having the permanent magnet attached to a tip end of the shaft, and a bracket to support the shaft in a rotatable manner, wherein on the side portion of the magnetic shield, a notch as a connector insertion portion is located not to overlap an extended area of the magnetic sensor in the reading direction.

Abstract: To provide a piston for an internal combustion engine configured to ensure a required amount of cooling oil to be effectively guided to portions that need to be cooled and to achieve a lightweight structure. A piston 3 comprises a piston crown portion 24 including a top portion 21 and a pair of pin boss portions each having a piston pin hole to allow insertion of a piston pin and configures to be cooled by a cooling oil injected from an oil jet apparatus having a nozzle toward a back surface 30a of the top portion 21. The top portion 21 comprises cooling voids 29a, 29b provided near at least one of the pin boss portions inside the top portion 21 and inlet openings 35a, 35b provided on the back surface 30a and configured to guide the oil injected from the nozzle toward the cooling voids 29a and 29b.

Abstract: An encoder includes: a magnet rotatably supported; a control board including a magnetic field sensor that detects a magnetic field produced by the magnet and outputs a signal, and an arithmetic unit that detects rotation of the magnet on the basis of the output of the magnetic field sensor; a magnetic shielding cover made of a soft magnetic material; an encoder bracket used to fix the magnetic shielding cover; a protective cover fixed with being sandwiched between the magnetic shielding cover and the encoder bracket to cover the magnet and the control board to prevent entry of foreign substances; and a sealing member sandwiched between the protective cover and the encoder bracket. The magnetic shielding cover covers the magnet, the control board, and the protective cover, and the sealing member is compressed between the encoder bracket and the protective cover.