Abstract: An X-ray source includes an X-ray tube; a radiation shielding shell enclosing the X-ray tube, the radiation shielding shell including a collimator formed integrally with it, wherein the radiation shielding shell comprises finely dispersed powder, polyester or epoxy resin and hardener; a cooler system providing oil to the X-ray tube; and an oil filled tank supplying the oil to the cooler system. There is a central shielding element shaped as a cylinder inside the radiation shielding shell and one or more end shielding elements around the X-ray tube. The central and end shielding elements are made of lead.

Abstract: An example method of radiation therapy in a radiation therapy system that includes a gantry with a treatment-delivering X-ray source and an imaging X-ray source mounted thereon is described. The method includes rotating the gantry in a first direction at a first rotational velocity about an open bore and concurrently rotating an annular support structure at a second rotational velocity about the open bore, wherein the second rotational velocity is less than the first rotational velocity. While continuing to rotate the gantry in the first direction about the open bore from a first position to a treatment position, the method also includes generating multiple images of a target volume disposed in the bore using the imaging X-ray source. Upon rotating the gantry to the treatment position, the method includes initiating delivery of a treatment beam to the target volume with the treatment-delivering X-ray source.

Abstract: Provided is an electromagnetic wave generation device including a tube including an anode, a cathode and at least one gate, a first power supply circuit in which one side of an output terminal is connected to the anode, a second power supply circuit in which one side of an output terminal is connected to the gate, and a current-sensing circuit connected to the tube and sensing a current flowing through the cathode, in which the current-sensing circuit includes at least one resistance associated with the sensing of at least one of an anode current and a gate current.

Abstract: The present disclosure relates to a high voltage vacuum tube including: a vacuum tube envelope comprising an interior; an anode assembly disposed within the interior of the vacuum tube envelope; and a cathode assembly disposed within interior of the vacuum tube envelope that emits an electrode beam to strike a target surface of the anode assembly and form electromagnetic radiation. The high voltage vacuum tube includes a braze assembly, said braze assembly comprising a first component and a second component joined together by a first braze joint, said first braze joint comprising a composition including no more than 18.0 wt % in total of one of more precious metals selected from Au, Pd and Pt, where at least a portion of the braze joint is exposed to the interior of the vacuum tube envelope.

Abstract: An adjustable collimator device for collimating a beam of energy emitted from a radiation source is disclosed. The collimator has an elongated plate-like body with a front-end and a rear-end. The collimator has a first set of emission apertures equally spaced around a central axis of the body that defines a zero-degree position. The first set of emission apertures are placed on the rear-end of the body and are configured to receive and sample a beam of energy entering the adjustable collimator device. A second set of apertures are placed proximate the front-end of the body. The second set of apertures are adjustable such that a first of the second set of apertures can be configured to have a first angular offset relative to the zero-axis and a second of the second set of apertures can be configured to have a second angular offset relative to the zero-axis.

Abstract: The present inventive concept provides a voltage generating apparatus for X-rays including a console that receives an X-ray irradiation signal to generate a control signal and detects the X-ray irradiation signal to generate a first detection signal, a pulse control unit that receives the control signal and the first detection signal from the console to generate a second detection signal and generates a pulse signal according to the control signal and the second detection signal, and a high voltage generating unit that generates a high voltage according to the pulse signal from the pulse control unit, and an X-ray generating apparatus having the same.

Abstract: A computer tomograph includes a static radiator-detector ring, which is constructed from an odd number of radiator-detector elements, of which a single one is displaceable, with opening of the radiator-detector ring. The displaceable element the other radiator-detector elements together defining a C-shape. Each radiator-detector element has an anode arrangement for the emission of X-rays, which extends over an angle ? of at least 0.9×360°/n on the circumference of the radiator-detector ring. A detector is provided for detection of X-ray radiation, which extends within the same radiator-detector element over an angle ? of at least 0.95×360°/n. Each anode arrangement is part of a radiator arrangement including multiple electron emitters, in which each electron emitter is configured, in cooperation with an electrode arrangement, to generate a focal spot at one of at least three selectable positions on the anode arrangement.

Abstract: A method for delivering radiation treatment may include defining a preliminary trajectory including a plurality of control points. Each control point may be associated with position parameters of a gantry and a couch. The method may also include generating a treatment plan based on the preliminary trajectory by optimizing an intensity and position parameters of a collimator and MLC leaves for each control point. The method may also include decomposing the treatment plan into a delivery trajectory including the plurality of control points. Each of the plurality of control points may be further associated with the optimized intensity, the optimized position parameters of the collimator and the MLC leaves, an output rate, and a motion parameter of each of the gantry, the couch, the collimator, and the MLC leaves. The method may further include instructing a radiation delivery device to deliver the treatment plan according to the delivery trajectory.

Abstract: A medical imaging system includes a CT imaging system including a gantry having a bore, rotatable about an axis of rotation. The CT imaging system includes a table configured to move a subject to be imaged into and out of the bore, a radiation source mounted on the gantry and configured to emit an X-ray beam, and a detector configured to detect the X-ray beam. The medical imaging system includes a LiDAR scanning system physically coupled to the CT imaging system. The LiDAR scanning system is configured to acquire data of the subject from different angular positions relative to the axis of rotation. The medical imaging system includes processing circuitry configured to receive the data acquired with the LiDAR scanning system, to generate a three-dimensional (3D) measurement of the subject, and to utilize the 3D measurement in a subsequent workflow process for a CT scan of the subject.

Abstract: An X-ray fluorescence analyzer includes a sample stage having an opening, the sample stage being configured to place a sample thereon so that the sample is exposed from the opening, an X-ray source for irradiating the sample with primary X-rays from below the sample stage through the opening, and a detector for detecting fluorescence X-rays generated from the sample. It further includes an analyzer for analyzing the constituent elements based on the fluorescence X-rays, a measuring device for measuring a height of a surface of the sample exposed from the opening, a determination unit for determining whether a height difference between the height measured by the measuring device and a height of the upper surface of the sample stage is within a tolerance, and a notification unit for notifying a determination result of the determination unit. With this, the reliability of the analysis result can be recognized.

Abstract: An X-ray fluorescence spectrometer includes: a vacuum chamber (17) configured to be evacuated including at least a detection chamber in which a detector is disposed; drive units (18A to 18H) each including a drive source outside the vacuum chamber (17), and configured to perform a mechanical operation in the vacuum chamber (17); and a vacuum leakage location identification unit (23A, 23B) configured to: operate the drive units (18A to 18H) one at a time while monitoring a degree of vacuum in the vacuum chamber (17); if the change in the degree of vacuum in the vacuum chamber (17) before and after each operation is greater than or equal to a predetermined threshold, identify the relevant one of the drive units (18A to 18H) as a vacuum leakage location; and cause information to that effect to be displayed in a display unit (19) and/or be recorded in a recording unit (21).

Abstract: A light source apparatus, in which an energy beam transforms a liquid raw material into plasma to extract radiation, includes a rotation body, a raw material supply section, and a layer thickness adjustment section. The rotation body is disposed at a position onto which the energy beam is incident, and includes a groove overlapping with an incident area of the energy beam. The raw material supply section supplies the groove with the liquid raw material. The layer thickness adjustment section adjusts a layer thickness of the liquid raw material such that a front surface of the liquid raw material forms a concave surface in response to the groove in the incident area of the energy beam.

Abstract: Disclosed is a high-voltage X-ray tank with a miniaturized shielding structure which includes an X-ray shielding part having a cylindrical structure in which an X-ray tube for radiating X-rays is accommodated and an X-ray radiation port is formed in one side surface thereof, a main block body having a box-shaped structure in which the X-ray shielding part is mounted on one side surface thereof and which is electrically connected to the X-ray shielding part, and a lens part having a structure which is mounted on the one side surface of the X-ray shielding part and focuses X-rays radiated through the X-ray radiation port on a preset position. According to the present invention, the high-voltage X-ray tank, in which insulating and shielding performance is improved and which has an ultra-small and ultra-light-shielding structure based on the improved insulating and shielding performance, can be provided.

Abstract: To provide an inspection device capable of imaging a transmission image while changing relative positions of a radiation source, an inspection object, and a detector. An inspection device comprises a radiation generator, a substrate holding unit for holding an inspection object, a detector, a substrate holding unit driving unit and a detector driving unit, a substrate position detection unit and a detector position detection unit, and a control unit, wherein the control unit executes a step for causing the detector to start acquiring an image while the relative positions of the radiation generator, the substrate holding unit and the detector are changing, a step for acquiring information relating to the positions of the substrate holding unit and the detector when the detector starts acquiring an image, and a step for storing the image acquired by the detector and the information relating to the position in association with each other.

Abstract: Various systems and methods are provided for a biased cathode assembly of an X-ray tube with improved thermal management and a method of manufacturing same. In one example, a cathode assembly of an X-ray tube comprises an emitter assembly including an emitter coupled to an emitter support structure, and an electrode assembly including an electrode stack and a plurality of bias electrodes. The emitter assembly including a plurality of independent components that are coupled together. The electrode assembly including a plurality of independent components that are coupled together, and the emitter assembly being coupled to the electrode assembly.

Abstract: 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.

Abstract: An open microfocus X-ray source and a control method thereof are provided. The open microfocus X-ray source includes: an open X-ray tube, a high voltage power supply (HVPS) system, a vacuum system and a control system. The open X-ray tube includes a cathode system, a deflection system and a focusing system. The HVPS system is configured to provide an emission current I0, an accelerating high voltage U0 and a grid voltage UG for an electron beam. The vacuum system is configured to perform vacuumization. The control system is configured to control, according to a spot size of an electron beam for bombarding an anode target, the HVPS system to adjust the emission current I0, the accelerating high voltage U0, a deflection coil current IXY of the deflection system, and a focusing coil current IF of the focusing system, such that the spot size meets a preset requirement.

Abstract: Disclosed are a method and a system for visualizing X-ray positioning of a handheld X-ray machine. The method includes: acquiring video acquisition information and distance information from a preset distance acquisition module to an image receiving surface; processing the video acquisition information and the distance information and generating a processing result; and presenting a projection area of the X-ray based on the processing result.

Abstract: There is provided a sterilisation monitoring device for a molecular diagnostics analyser. The device comprises a sensor arranged in use to detect radiation; and an analysis unit connected to the sensor. The analysis unit is arranged in use to issue a signal when the radiation level incident on the sensor is lower than a threshold level.

Abstract: A radiological imaging device that includes a source that emits radiation that passes through at least part of a patient, the radiation defining a central axis of propagation; and a receiving device that receives the radiation and is arranged on the opposite side of the patient with respect to the source. The receiving device includes a first detector to detect radiation when performing at least one of tomography and fluoroscopy, a second detector to detect radiation when performing at least one of radiography and tomography; and a movement apparatus arranged to displace the first and second detectors with respect to the source. The movement apparatus provides a first active configuration in which the radiation hits the first detector and a second active configuration in which the radiation hits the second detector.