Abstract: The purpose of the present invention is to allow a clean airflow around a substrate to reliably move downward of the substrate in an examination device in which clean air is supplied to an inspection chamber. This examination device is provided with a rectifying plate (see FIG. 4A) which covers a part of the upper surface of a stage for mounting a substrate, and is disposed between a gas supply unit and the stage to block an airflow toward the substrate.

Abstract: A three-dimensional deposition device and a three-dimensional deposition method used to highly accurately manufacture a three-dimensional object are provided. A three-dimensional deposition device for forming a three-dimensional shape by depositing a formed layer on a base unit includes: a powder supply unit which supplies a powder material; a light irradiation unit which irradiates the powder material with a light beam so that at least a part of the powder material irradiated with the light beam is sintered or melted and solidified to form the formed layer; a heating unit which selectively heats an area having passed through a position irradiated with the light beam in the base unit or the formed layer or an area not having passed through the position irradiated with the light beam; and a control device which controls operations of the powder supply unit, the light irradiation unit, and the heating unit.

Abstract: A cooling device has a cooler, a circulator, a semiconductor temperature detection unit, a refrigerant temperature detection unit, an output acquisition unit, and a flow velocity control unit. An output area of a power converter is divided into a first output area equal to and smaller than a threshold and a second output area exceeding the threshold. The flow velocity control unit controls, in the first output area, the flow velocity of the refrigerant to be maintained within a range where the refrigerant in the heat receiving portion is kept in a non-boiling state; and controls, in the second output area, the flow velocity to be maintained within a range where the refrigerant is in the non-boiling state or a nucleate boiling state. The flow velocity in the second output area is equal to or greater than an upper limit value of the flow velocity in the first output area.

Abstract: A polyethylene terephthalate resin composition which is characterized by having a manganese element content of 30 to 60 ppm, a potassium element content of 2 to 10 ppm, an antimony element content of 70 to 150 ppm, a molar ratio of metal elements to phosphorus element (M/P=(M1+M2/2)/P) satisfying formula (1), and a gelation ratio of 5% by weight or less: 0.6?(M1+M2/2)/P?1.3??(1) wherein M1 represents the content (mol/t) of a bivalent metal element selected from the group consisting of Mg, Mn, and Ca; M2 represents the content (mol/t) of a monovalent metal element selected from the group consisting of Li, Na, and K; and P represents the content (mol/t) of phosphorus element.

Abstract: Provided is a three-dimensional deposition device, including: a powder supply unit which supplies a powder material; a light irradiation unit which irradiates the powder material with a light beam so that the powder material irradiated with the light beam is sintered or melted and solidified to form a formed layer; a three-dimensional deposition chamber which is sealed from an outside and accommodates the powder supply unit, the light irradiation unit, and a base unit; a gas discharge unit which discharges a gas inside the three-dimensional deposition chamber; and a gas introduction unit which introduces a predetermined gas into the three-dimensional deposition chamber. When the gas discharge unit discharges a gas inside the three-dimensional deposition chamber and the gas introduction unit introduces a predetermined gas thereinto, a predetermined gas atmosphere is formed inside the three-dimensional deposition chamber.

Abstract: A three-dimensional deposition device and a three-dimensional deposition method used to manufacture a three-dimensional object with high accuracy are provided. A three-dimensional deposition device for forming a three-dimensional shape by depositing a formed layer on a base unit, includes: a powder supply unit which supplies a powder material by injecting the powder material toward the base unit; a light irradiation unit which irradiates the powder material feeding from the powder supply unit toward the base unit with a light beam so that the powder material is melted and the melted powder material is solidified on the base unit to thereby form the formed layer; and a control device which controls operations of the powder supply unit and the light irradiation unit.

Abstract: A cooling device has a cooler, a circulator, a semiconductor temperature detection unit, a refrigerant temperature detection unit, an output acquisition unit, and a flow velocity control unit. An output area of a power converter is divided into a first output area equal to and smaller than a threshold and a second output area exceeding the threshold. The flow velocity control unit controls, in the first output area, the flow velocity of the refrigerant to be maintained within a range where the refrigerant in the heat receiving portion is kept in a non-boiling state; and controls, in the second output area, the flow velocity to be maintained within a range where the refrigerant is in the non-boiling state or a nucleate boiling state. The flow velocity in the second output area is equal to or greater than an upper limit value of the flow velocity in the first output area.

Abstract: Provided is a three-dimensional deposition device which forms a three-dimensional object by depositing a formed layer on a base unit, comprising: a powder supply unit which supplies a powder material; a light irradiation unit which irradiates the powder material with a light beam and forms a formed layer by sintering or melting and solidifying at least a part of the powder material irradiated with the light beam; a machining unit which includes a tool and performs a machining operation on the formed layer by the tool; and a controller which serves as a control device controlling an operation of at least one of the powder supply unit, the light irradiation unit, and the machining unit.

Abstract: Provided is a three-dimensional deposition device, including: a powder supply unit which supplies a powder material; a light irradiation unit which irradiates the powder material with a light beam so that the powder material irradiated with the light beam is sintered or melted and solidified to form a formed layer; a three-dimensional deposition chamber which is sealed from an outside and accommodates the powder supply unit, the light irradiation unit, and a base unit; a gas discharge unit which discharges a gas inside the three-dimensional deposition chamber; and a gas introduction unit which introduces a predetermined gas into the three-dimensional deposition chamber. When the gas discharge unit discharges a gas inside the three-dimensional deposition chamber and the gas introduction unit introduces a predetermined gas thereinto, a predetermined gas atmosphere is formed inside the three-dimensional deposition chamber.

Abstract: Provided is a three-dimensional deposition device, including: a powder supply unit which supplies a powder material; a light irradiation unit which irradiates the powder material with a light beam so that the powder material irradiated with the light beam is sintered or melted and solidified to form a formed layer; a three-dimensional deposition chamber which is sealed from an outside and accommodates the powder supply unit, the light irradiation unit, and a base unit; a gas discharge unit which discharges a gas inside the three-dimensional deposition chamber; and a gas introduction unit which introduces a predetermined gas into the three-dimensional deposition chamber. When the gas discharge unit discharges a gas inside the three-dimensional deposition chamber and the gas introduction unit introduces a predetermined gas thereinto, a predetermined gas atmosphere is formed inside the three-dimensional deposition chamber.

Abstract: A polyethylene terephthalate resin composition which is characterized by having a manganese element content of 30 to 60 ppm, a potassium element content of 2 to 10 ppm, an antimony element content of 70 to 150 ppm, a molar ratio of metal elements to phosphorus element (M/P=(M1+M2/2)/P) satisfying formula (1), and a gelation ratio of 5% by weight or less: 0.6?(M1+M2/2)/P?1.3??(1) wherein M1 represents the content (mol/t) of a bivalent metal element selected from the group consisting of Mg, Mn, and Ca; M2 represents the content (mol/t) of a monovalent metal element selected from the group consisting of Li, Na, and K; and P represents the content (mol/t) of phosphorus element.

Abstract: A three-dimensional deposition device and a three-dimensional deposition method used to manufacture a three-dimensional object with high accuracy are provided. A three-dimensional deposition device for forming a three-dimensional shape by depositing a formed layer on a base unit, includes: a powder supply unit which supplies a powder material by injecting the powder material toward the base unit; a light irradiation unit which irradiates the powder material feeding from the powder supply unit toward the base unit with a light beam so that the powder material is melted and the melted powder material is solidified on the base unit to thereby form the formed layer; and a control device which controls operations of the powder supply unit and the light irradiation unit.

Abstract: Provided is a three-dimensional deposition device, including: a powder supply unit which supplies a powder material; a light irradiation unit which irradiates the powder material with a light beam so that the powder material irradiated with the light beam is sintered or melted and solidified to form a formed layer; a three-dimensional deposition chamber which is sealed from an outside and accommodates the powder supply unit, the light irradiation unit, and a base unit; a gas discharge unit which discharges a gas inside the three-dimensional deposition chamber; and a gas introduction unit which introduces a predetermined gas into the three-dimensional deposition chamber. When the gas discharge unit discharges a gas inside the three-dimensional deposition chamber and the gas introduction unit introduces a predetermined gas thereinto, a predetermined gas atmosphere is formed inside the three-dimensional deposition chamber.

Abstract: A three-dimensional deposition device and a three-dimensional deposition method used to highly accurately manufacture a three-dimensional object are provided. A three-dimensional deposition device for forming a three-dimensional shape by depositing a formed layer on a base unit includes: a powder supply unit which supplies a powder material; a light irradiation unit which irradiates the powder material with a light beam so that at least a part of the powder material irradiated with the light beam is sintered or melted and solidified to form the formed layer; a heating unit which selectively heats an area having passed through a position irradiated with the light beam in the base unit or the formed layer or an area not having passed through the position irradiated with the light beam; and a control device which controls operations of the powder supply unit, the light irradiation unit, and the heating unit.

Abstract: Provided is a three-dimensional deposition device which forms a three-dimensional object by depositing a formed layer on a base unit, comprising: a powder supply unit which supplies a powder material; a light irradiation unit which irradiates the powder material with a light beam and forms a formed layer by sintering or melting and solidifying at least a part of the powder material irradiated with the light beam; a machining unit which includes a tool and performs a machining operation on the formed layer by the tool; and a controller which serves as a control device controlling an operation of at least one of the powder supply unit, the light irradiation unit, and the machining unit.

Abstract: Provided are a gear machining apparatus and a gear machining method with which the surface roughness, in a tooth profile evaluation range, of the surfaces of the teeth of a gear can be improved. This gear machining apparatus (1) machines shapes a gear (4) by machining a workpiece (4) with a grinding wheel, and comprises: a threaded grinding wheel (32) that shapes a gear (4) by machining a workpiece (4); and a disc-shaped dresser (36) that shapes the threaded grinding wheel (32) while rotating with the threaded grinding wheel (32) in a meshed state. A pressure angle (a) of the dresser (36) is designed to be dislocated such that a reference pitch circle diameter (PCD) of the gear (4) shaped by the threaded grinding wheel (32) is outside the tooth profile evaluation range of a tooth surface (5).

Abstract: The present invention is a composition containing a polyester resin containing at least an alicyclic dicarboxylic acid component and an alicyclic diol component, and it is a polyester resin composition which satisfies that a glass transition temperature is 65° C. or more and 90° C. or less, a refractive index at sodium D line is 1.500 or more and 1.570 or less, a titanium element content is 5 ppm or more and 500 ppm or less, a phosphorus element content is 50 ppm or more and 500 ppm or less and a gel fraction is 50% or less. By the present invention, it is possible to obtain a polyester resin composition having a low refractive index and photoelastic coefficient, and in which a thermally degraded foreign substance is reduced.

Abstract: Provided are a gear machining apparatus and a gear machining method with which the surface roughness, in a tooth profile evaluation range, of the surfaces of the teeth of a gear can be improved. This gear machining apparatus (1) machines shapes a gear (4) by machining a workpiece (4) with a grinding wheel, and comprises: a threaded grinding wheel (32) that shapes a gear (4) by machining a workpiece (4); and a disc-shaped dresser (36) that shapes the threaded grinding wheel (32) while rotating with the threaded grinding wheel (32) in a meshed state. A pressure angle (a) of the dresser (36) is designed to be dislocated such that a reference pitch circle diameter (PCD) of the gear (4) shaped by the threaded grinding wheel (32) is outside the tooth profile evaluation range of a tooth surface (5).

Abstract: The present invention provides a polyester composition for a solar battery, which includes a dicarboxylic acid component having terephthalic acid as a main component and a diol component having ethylene glycol as a main component, the polyester composition satisfying the following Formulae (1) to (5): 0.65?intrinsic viscosity?0.90 (1); 0.7?M/P?1.3 (2); 200 ppm?P?600 ppm (3); amount of terminal carboxyl groups?15 eq/t (4); and amount of terminal methoxy groups?10 eq/t (5) (in the Formula (2), M represents the number of moles of an alkaline metal element and/or an alkaline earth metal element per 106 g of a polyester; and P represents the number of elemental phosphorus per 106 g of a polyester).

Abstract: A vehicle front structure includes a cable member, one end portion of which is connected to a clutch pedal and the other end portion of which is detachably held by a retaining member arranged between an engine and a wall-like member arranged in front, in a vehicle longitudinal direction, of the engine, the cable member being arranged running across in back, in the vehicle longitudinal direction, of the wall-like member, and a protruding pressing member that is provided on a wall surface that faces a rear, in the vehicle longitudinal direction, of the wall-like member so as to face the cable member, and that detaches the other end portion of the cable member from the retaining member by pushing the cable member toward the rear in the vehicle longitudinal direction when a load is input from the front of the vehicle in the vehicle longitudinal direction.