An X-ray module includes; a housing; an electron gun that emits an electron beam inside the housing; a target disposed inside the housing and fixed to the housing, to generate an X-ray when the electron beam is incident on the target; a permanent magnet that is disposed outside the housing and deflects the electron beam by means of a magnetic force; and a heat radiating unit having a higher thermal conductivity than a thermal conductivity of the permanent magnet and thermally connected to the permanent magnet.

X-ray generating apparatus includes X-ray generating unit having first and second bottom surfaces and side surface; driving circuit; accommodation housing accommodating the X-ray generating unit and the driving circuit; and insulating component arranged in the accommodation housing and having first insulating member arranged between the driving circuit and the accommodation housing and second insulating member arranged between the X-ray generating unit and the accommodation housing. First space is defined between the first insulating member and the accommodation housing, second space is defined between the second insulating member and the accommodation housing, third space is defined between the side surface and the second insulating member, fourth space is defined by the second bottom surface and internal surface of the first insulating member. The second space communicates with the third space, the first space communicates with the fourth space.

According to one embodiment, a rotating-anode X-ray tube assembly includes a rotating-anode X-ray tube, a housing, a coolant, a first shell, an X-ray shielding member, a second shell and an air introduction unit. The first shell is provided apart from the housing and an envelope of the rotating-anode X-ray tube, and surrounds the envelope. The X-ray shielding member is provided between the first shell and the housing and apart from the housing. The second shell is provided apart from the housing to cause an airway to be formed between the second shell and the housing. The air introduction unit produces a flow of air in the airway.

X-ray generating apparatus includes X-ray generating unit having first and second bottom surfaces and side surface; driving circuit; accommodation housing accommodating the X-ray generating unit and the driving circuit; and insulating component arranged in the accommodation housing and having first insulating member arranged between the driving circuit and the accommodation housing and second insulating member arranged between the X-ray generating unit and the accommodation housing. First space is defined between the first insulating member and the accommodation housing, second space is defined between the second insulating member and the accommodation housing, third space is defined between the side surface and the second insulating member, fourth space is defined by the second bottom surface and internal surface of the first insulating member. The second space communicates with the third space, the first space communicates with the fourth space.

Disclosed herein is an X-ray source having cooling and shielding functions. The X-ray source includes an X-ray generation unit (100) which has one or more insulation columns (160) and emits X-rays in a vacuum; a cooling unit (180) which is provided around a periphery of the X-ray generation unit and removes heat generated from the X-ray generation unit; and a shielding unit (190) which is provided around a periphery of the cooling unit and shields an area exposed to X-rays other than the areas related to the emission of the X-rays.

A multitube X-ray emitter housing according to the invention includes a housing, a high-voltage supply and a cooling device with an electrically insulating cooling medium. The high-voltage supply has a plurality of high-voltage contacts connected in parallel on a single high-voltage supply lead. A first of at least one side surface of the housing has a first electrically conductive housing portion with a temperature-dependent electrical conductivity. The multitube X-ray emitter housing further includes: a control unit having an interface to receive a measured value representing the electrical conductivity of the first electrically conductive housing portion and to compare the measured value with a threshold value; and a switching device to switch off the high voltage based on the comparison.

An x-ray tube includes an inner wall including a target surface and an outer wall disposed about the inner wall and defining a gap therebetween. A corrugated structure is disposed in the gap and is coupled to both the inner wall and the outer wall so as to define a plurality of channels therebetween. The corrugated structure is configured to allow a coolant to flow through the channels. An area inside of the inner wall is substantially maintained at a vacuum and a filament is disposed in the area inside of the inner wall. When a sufficient voltage is applied between the filament and the inner wall, the filament emits electrons directed to at least a portion of the target surface so that the target surface emits electrons.

Provided is a CT system having a cooling system. The CT system may include a gantry unit including: a rotor; and an assembly component; an intake provided on a first surface of the rotor; and an outtake provided on a second surface opposite to the first surface of the rotor, wherein the gantry unit is cooled by air moving through the intake and the outtake due to a rotation force or a centrifugal force generated by a rotation movement of the rotor.

According to one embodiment, an X-ray tube includes a vacuum enclosure in which an output window which transmits X-rays is formed, an anode target provided in the vacuum enclosure so as to oppose the output window, a cathode filament provided in the vacuum enclosure, that emits electrons to be irradiated onto the anode target, a power feed section to which a high voltage cable is connected, and an insulating portion that covers the power feed section and the high-voltage cable with an insulating material, and the power feed section includes a contact surface with which a distal end surface of the high-voltage cable is brought into contact, and an angle formed by the contact surface and the side surface of the high-voltage cable is an acute angle.

An x-ray tube includes an inner wall including a target surface and an outer wall disposed about the inner wall and defining a gap therebetween. A corrugated structure is disposed in the gap and is coupled to both the inner wall and the outer wall so as to define a plurality of channels therebetween. The corrugated structure is configured to allow a coolant to flow through the channels. An area inside of the inner wall is substantially maintained at a vacuum and a filament is disposed in the area inside of the inner wall. When a sufficient voltage is applied between the filament and the inner wall, the filament emits electrons directed to at least a portion of the target surface so that the target surface emits electrons.