Abstract: A blade driving device includes an opening forming member forming an opening portion, a pivotal member pivoting about the opening portion, blades configured to enter or exit from the opening portion upon receiving power transmitted from the pivotal member, a cover member arranged so that the pivotal member and the plurality of blades are located between the cover and the opening forming member, and engaging portions engaging the of blades with the opening forming member. The pivotal member comes into slidable contact with the engaging portions in a process of pivoting. A pivotal position of the pivotal member with respect to the opening forming member is defined by the engaging portions.

Abstract: A blade driving device includes an opening forming member forming an opening portion, a pivotal member pivoting about the opening portion, blades configured to enter or exit from the opening portion upon receiving power transmitted from the pivotal member, a cover member arranged so that the pivotal member and the plurality of blades are located between the cover and the opening forming member, and engaging portions engaging the of blades with the opening forming member. The pivotal member comes into slidable contact with the engaging portions in a process of pivoting. A pivotal position of the pivotal member with respect to the opening forming member is defined by the engaging portions.

Abstract: A blade driving device includes an opening forming member forming an opening portion, a pivotal member pivoting about the opening portion, blades configured to enter or exit from the opening portion upon receiving power transmitted from the pivotal member, a cover member arranged so that the pivotal member and the plurality of blades are located between the cover and the opening forming member, and engaging portions engaging the of blades with the opening forming member. The pivotal member comes into slidable contact with the engaging portions in a process of pivoting. A pivotal position of the pivotal member with respect to the opening forming member is defined by the engaging portions.

Abstract: A blade driving device includes an opening forming member forming an opening portion, a pivotal member pivoting about the opening portion, blades configured to enter or exit from the opening portion upon receiving power transmitted from the pivotal member, a cover member arranged so that the pivotal member and the plurality of blades are located between the cover and the opening forming member, and engaging portions engaging the of blades with the opening forming member. The pivotal member comes into slidable contact with the engaging portions in a process of pivoting. A pivotal position of the pivotal member with respect to the opening forming member is defined by the engaging portions.

Abstract: Accelerated particle irradiation equipment is installed in a building having a multi-story structure. The accelerated particle irradiation equipment includes a particle accelerator and an irradiation device. The particle accelerator generates accelerated particles. The irradiation device performs irradiation of the accelerated particles generated by the particle accelerator, and is installed on at least one of the floor above and the floor below the floor on which the particle accelerator is installed.

Abstract: Accelerated particle irradiation equipment is installed in a building having a multi-story structure. The accelerated particle irradiation equipment includes a particle accelerator and an irradiation device. The particle accelerator generates accelerated particles. The irradiation device performs irradiation of the accelerated particles generated by the particle accelerator, and is installed on at least one of the floor above and the floor below the floor on which the particle accelerator is installed.

Abstract: Accelerated particle irradiation equipment is installed in a building having a multi-story structure. The accelerated particle irradiation equipment includes a particle accelerator and an irradiation device. The particle accelerator generates accelerated particles. The irradiation device performs irradiation of the accelerated particles generated by the particle accelerator, and is installed on at least one of the floor above and the floor below the floor on which the particle accelerator is installed.

Abstract: A charged particle beam irradiation apparatus includes: an irradiation section configured to irradiate an irradiated body with a charged particle beam; a gantry in which an irradiation section is disposed and which can rotate or oscillate around a central axis line; an enclosure in which the irradiated body is disposed; and a gantry-side transport line that has an inlet section on which a charged particle beam emitted from an accelerator is incident and that is supported on the gantry and configured to transport an incident charged particle beam to the irradiation section, in which the gantry has a first bearing section provided between the inlet section of the gantry-side transport line and the enclosure, and a second bearing section provided on a side opposite to the first bearing section with respect to the enclosure.

Abstract: A charged particle beam irradiation device configured to irradiate a subject to be irradiated with a charged particle beam, including: an accelerator configured to accelerate charged particles and emit the charged particle beam; a gantry in which an irradiation unit for irradiating the subject with the charged particle beam is disposed; an irradiation table on which the subject is positioned; and a transportation line that includes an energy selection system for adjusting energy of the charged particle beam, and transport the charged particle beam to the irradiation unit from the accelerator. The transportation line is linearly formed up to the gantry from the accelerator, and at least a part of the energy selection system is disposed in the gantry, and a shield member configured to shield a radiation beam is provided between the energy selection system, which is disposed in the gantry, and the irradiation table.

Abstract: A charged particle beam irradiation system including: an accelerator configured to accelerate charged particles and emit a charged particle beam; a stand in which an irradiation section is disposed; a transport line which has an energy selection system configured to extract a charged particle beam having a second energy width smaller than a first energy width from a charged particle beam having the first energy width, emitted from the accelerator, and is configured to transport the charged particle beam from the accelerator to the irradiation section; and a building having an irradiation chamber and a separate room, wherein the accelerator is disposed in the irradiation chamber, the energy selection system of the transport line is disposed in the separate room, and the building has a partition wall which separates the irradiation chamber and the separate room and is configured to shield against radiation.

Abstract: A charged particle beam irradiation apparatus includes: an irradiation section configured to irradiate an irradiated body with a charged particle beam; a gantry in which an irradiation section is disposed and which can rotate or oscillate around a central axis line; an enclosure in which the irradiated body is disposed; and a gantry-side transport line that has an inlet section on which a charged particle beam emitted from an accelerator is incident and that is supported on the gantry and configured to transport an incident charged particle beam to the irradiation section, in which the gantry has a first bearing section provided between the inlet section of the gantry-side transport line and the enclosure, and a second bearing section provided on a side opposite to the first bearing section with respect to the enclosure.

Abstract: A charged particle beam irradiation device includes a particle accelerator that accelerates charged particles and ejects a charged particle beam, a cylindrical outer shell part that is capable of rotating around a rotating axis, an irradiation unit that is capable of irradiating an irradiation target with the charged particle beam, the irradiation direction of which changes in accordance with the rotation of the outer shell part, and a beam transport line that transports the charged particle beam ejected from the particle accelerator to the irradiation unit. The particle accelerator and the beam transport line may be at least partially housed within the outer shell part.

Abstract: Accelerated particle irradiation equipment is installed in a building having a multi-story structure. The accelerated particle irradiation equipment includes a particle accelerator and an irradiation device. The particle accelerator generates accelerated particles. The irradiation device performs irradiation of the accelerated particles generated by the particle accelerator, and is installed on at least one of the floor above and the floor below the floor on which the particle accelerator is installed.

Abstract: Accelerated particle irradiation equipment, which performs irradiation of accelerated particles, includes an irradiation device and a storage chamber. The irradiation device includes a rotating unit rotatable about a rotation axis, and performs irradiation of the accelerated particles generated by a particle accelerator. The irradiation device is stored in the storage chamber. The rotating unit of the irradiation device includes a protruding portion that protrudes further to the outside in the radial direction as compared to the main body of the rotating unit. Storage recesses in which the protruding portion forming a peripheral edge portion of the rotating unit maybe stored are formed on radiation shield walls of the storage chamber. The storage recesses are formed along the rotation direction of the protruding portion.

Abstract: Accelerated particle irradiation equipment, which performs irradiation of accelerated particles, includes an irradiation device and a building. The irradiation device includes a rotating unit rotatable about a rotation axis and performs irradiation of the accelerated particles generated by a particle accelerator. The building has an installation space in which the irradiation device is installed. The irradiation device is formed to be thin so as to have a small length in a direction of the rotation axis. A portion of the irradiation device, which has the maximum width in a radial direction orthogonal to the direction of the rotation axis, is disposed along the maximum width of the installation space.

Abstract: Improvements in both the pressure resistance of a target and the cooling effect of a target liquid can be made compatible, and the boiling of the target liquid is sufficiently suppressed. A radioisotope manufacturing apparatus can include a radiation source which radiates radioactive rays, and a target having a holding unit which holds the target liquid. The holding unit can include a spherical bottom surface which is recessed in a direction away from the radiation source so as to have an apex. The target can be disposed so that the intersection position between a radiation axis of radioactive rays radiated from the radiation source and the bottom surface can be located below the apex.