Abstract: A metal powder for 3D printer includes a plurality of metal particles. A particle size distribution of the plurality of metal particles has a maximum peak within particle diameters of 1 ?m to 200 ?m. The particle size distribution gives a difference D90?D10 of 10 ?m or more between D90 and D10, D90 denoting a particle diameter in which a cumulative percentage is 90% in volume proportion, and D10 denoting a particle diameter in which a cumulative percentage is 10% in volume proportion.

Abstract: An oral preparation contains tramadol or a pharmaceutically acceptable salt thereof as an active ingredient and has a low incidence of side effects, such that the blood concentration of unchanged tramadol or an active metabolite thereof, for example, falls within a certain numerical range after administration, so that the incidence of side effects is low while the efficacy is excellent.

Abstract: There is provided a method for manufacturing a turbine component which enables obtaining a single crystal structure more easily and manufacturing a good turbine component. In the seed crystal placing step, the seed crystal is placed on the surface of the base in a manner that a first direction along <001> of the seed crystal has an angle within 15 degrees in absolute value in relation to a laminating direction. In the shaped layer forming step, scanning is performed in a manner that the scan direction has an angle within 20 degrees in absolute value in relation to a second direction being <001> orthogonal to the first direction of the seed crystal.

Abstract: A nozzle includes an ejection section and an acceleration section. A powder is configured to be ejected from the ejection section. The acceleration section is configured to allow the powder to circle around and is configured to accelerate the powder in a peripheral direction of the powder that circles around so as to transport the powder to an opening.

Abstract: A metal powder for 3D printer includes a plurality of metal particles. A particle size distribution of the plurality of metal particles has a maximum peak within particle diameters of 1 ?m to 200 ?m. The particle size distribution gives a difference D90?D10 of 10 ?m or more between D90 and D10, D90 denoting a particle diameter in which a cumulative percentage is 90% in volume proportion, and D10 denoting a particle diameter in which a cumulative percentage is 10% in volume proportion.

Abstract: A gas-recycling device according to an embodiment includes a particle remover, a liquid remover, and a supplier. The particle remover brings a mist of liquid into contact with a gas which includes particles and is discharged from an apparatus, to remove the particles from the gas. The liquid remover removes the liquid from the gas having passed through the particle remover. The supplier supplies the gas to the apparatus.

Abstract: An additive manufacturing apparatus includes an operation unit, a first face, a mover, a supplier, and an irradiator. The operation unit includes a first part and a second part that cover a part of a supply region supplied with a powdery material and facing a first direction are aligned in a second direction, and includes a first opening extending between the first part and the second part in the first direction. The first face of the first part faces the second part, and is provided with a second opening. The mover moves the operation unit. The supply unit supplies an inert gas from the second opening to the first opening. The irradiator is spaced apart from the operation unit, and can emit an energy ray to the supply region through the first opening, and change a position with which the energy ray is irradiated.

Abstract: According to one embodiment, a material feeding device includes a feeding unit. The feeding unit includes an electrode unit electrically chargeable by application of voltage thereto and an insulating unit covering the electrode unit, the electrode unit being configured to attract and separate a material to and from a surface of the insulating unit by control of a charged state of the electrode unit.

Abstract: A collimator includes a plurality of modules each of which has a grid formation and in each of which a plurality of walls are arranged in a row in a first direction and a second direction intersecting the first direction. The plurality of modules are connected together by one or more connecting parts.

Abstract: A nozzle includes a magnetic field generating section and a body. The body includes an opening from which a powder is ejected. The magnetic field generating section includes a coil, the coil disposed to generate a magnetic field when applied with a current, the magnetic field causing the powder supplied to an inside of the body to swirl around.

Abstract: An optical element includes first and second optical portions, and a first connection region. The first optical portion has first and second surfaces opposed each other. The first optical portion is light transmissive. The second optical portion has a third surface opposing the first surface and separated from the first surface, and a fourth surface on an opposite side to the third surface. The second optical portion is light transmissive. The first connection region connects at least a portion of an end of the first optical portion and at least a portion of an end of the second optical portion, and provides a seamless connection to the first and second optical portions. The first connection region is light transmissive. At least one of the first or second surfaces includes a portion slanted to a plane perpendicular to a first direction from the second optical portion toward the first optical portion.

Abstract: A nozzle of a layered object manufacturing apparatus according to embodiments includes a gas supply part and an exhaust part. The gas supply part includes a gas supply port through which gas is supplied. The exhaust part includes an exhaust port through which the gas is exhausted. The gas supply port and the exhaust port face each other and are spaced apart from each other.

Abstract: A device for manufacturing a layered object includes a container, a vibration unit, and an energy beam irradiation unit. The container includes a stage, a wall surrounding the stage, and a lid. The vibration unit vibrates raw material powder to planarize a face of the raw material powder supplied into the container. The energy beam irradiation unit irradiates part of the raw material powder with an energy beam to form part of the layered object. The lid presses the raw material powder when the vibration unit vibrates the raw material powder. A space is formed between the wall and the lid in the container when the lid is in contact with the raw material powder. The raw material powder is allowed to flow into the space.

Abstract: An additive manufacturing apparatus includes an operation unit, a first face, a mover, a supplier, and an irradiator. The operation unit includes a first part and a second part that cover a part of a supply region supplied with a powdery material and facing a first direction are aligned in a second direction, and includes a first opening extending between the first part and the second part in the first direction. The first face of the first part faces the second part, and is provided with a second opening. The mover moves the operation unit. The supply unit supplies an inert gas from the second opening to the first opening. The irradiator is spaced apart from the operation unit, and can emit an energy ray to the supply region through the first opening, and change a position with which the energy ray is irradiated.

Abstract: A collimator includes a plurality of modules each of which has a grid formation and in each of which a plurality of walls are arranged in a row in a first direction and a second direction intersecting the first direction. The plurality of modules are connected together by one or more connecting parts.

Abstract: An additive manufacturing apparatus includes a first stage, a second stage, and a nozzle. The first stage includes a first face. The second stage includes a second face. The nozzle forms a layer of a material on at least one of the first face, the second face, an object on the first face, and an object on the second face, while the first face and the second face are oriented in mutually different directions.

Abstract: A gas-recycling device according to an embodiment includes a particle remover, a liquid remover, and a supplier. The particle remover brings a mist of liquid into contact with a gas which includes particles and is discharged from an apparatus, to remove the particles from the gas. The liquid remover removes the liquid from the gas having passed through the particle remover. The supplier supplies the gas to the apparatus.

Abstract: According to one embodiment, a nozzle includes a magnetic field generating section and a body. The magnetic field generating section is configured to generate a magnetic field. The body is configured so that the magnetic field is generated on an inner side by the magnetic field generating section, and includes an opening configured so that a powder swirling around in the magnetic field is ejected therefrom.

Abstract: According to one embodiment, a material feeding device includes a feeding unit. The feeding unit includes an electrode unit electrically chargeable by application of voltage thereto and an insulating unit covering the electrode unit, the electrode unit being configured to attract and separate a material to and from a surface of the insulating unit by control of a charged state of the electrode unit.

Abstract: A nozzle includes an ejection section and an acceleration section. A powder is configured to be ejected from the ejection section. The acceleration section is configured to allow the powder to circle around and is configured to accelerate the powder in a peripheral direction of the powder that circles around so as to transport the powder to an opening.