Abstract: A digital X-ray detector is provided. The digital X-ray detector includes control circuitry. The control circuitry is configured to obtain an electromagnetic interference (EMI) frequency of an EMI signal, to receive a signal to start a scan, to ensure EMI noise is in a same phase during acquisition of offset images and read images to enable a subtraction of the EMI noise, and to start the scan.

Abstract: An X-ray inspection apparatus includes: an X-ray emitter configured to emit an X-ray; an X-ray detector configured to detect the X-ray; a first flow passage configured to guide air to at least part of the X-ray detector; and a second flow passage configured to guide air to at least part of the X-ray detector.

Abstract: A method and apparatus is presented for optimizing a treatment plan for irradiation therapy. The method includes determining voxels in a reference frame of a radiation source that rotates at an angular rate of change and emits a beam at a plurality of angles. The beam has a beam intensity and a cross sectional shape based on an aperture of a collimator at each angle. The method includes determining an initial aperture value at each angle and minimizing a single objective function subject to a constraint on an aperture rate of change to determine an aperture and beam intensity at each angle. The method also includes delivering a beam of radiation with controlled intensity at each angle based on the beam intensity and aperture and turning the beam of radiation off at an intervening angle not included in the plurality of angles.

Abstract: A honeycomb rib structure in a rotating gantry of a proton includes an upper honeycombed rib plate and a lower honeycombed rib plate which are mounted in a cylindrical body through a plurality of connecting structures. The upper and lower honeycombed rib plates are symmetrically arranged, and are spliced by a plurality of basic structures which are in a regular hexagonal shape. Connecting nodes between the adjacent basic structures are of a ring structure. Densities of the upper and lower honeycombed rib plates are adjusted through a density increasing structure.

Abstract: A patient placement table moving method may be used with a robotic operating table including a patient placement table, a base buried in or fixed to a floor and an articulated robotic arm including joints and having first and second ends. The first end may be supported on the base to be rotatable about an axis extending in a vertical direction. The second end may support the table. The method may include: horizontally arranging the table by the robotic arm at an imaging position for imaging with a medical imaging apparatus; and translating the table from the imaging position to a surgical operation position by the robotic arm. The surgical operation position may be away from the imaging position by 200 mm or more in a second direction orthogonal to a first direction in a horizontal plane, and the first direction is parallel with a longitudinal direction of the table.

Abstract: A computer tomograph (1) for mammographic x-ray imaging includes a MBFEX tube (20) and a flat-bed x-ray detector (30). Cathodes (40) are arranged in a fixed manner in rows in the MBFEX tube (20), the cathodes (40) being provided for the field emission of electrons. Geometry, radiation density and wavelength range of an x-ray beam (b) can be set. The MBFEX tube (20) is movable parallel (z) to the flat-bed x-ray detector (30). The flat bed x-ray detector (30) includes a moveable x-ray screen (31), the opening of which can be set. Using the x-ray screen (31), an imaging area (A) on the detector surface (D) of the flat-bed x-ray detector (30) can be selected and moved. Compared to conventional computer tomographs having rotating x-ray components, the computer tomograph (1) has a lighter and more compact design, with which a particularly small focal spot size is achieved.

Abstract: The present invention relates to a mobile X-ray device, comprising: a housing with an X-ray source arranged therein, a sensor system comprising one or more sensors for aligning the X-ray source to an object to be scanned and/or detecting at least one extrinsic object in a predefined area in a vicinity of the X-ray beam of the X-ray source; a processor unit comprising determining the alignment of the X-ray source and the object to be scanned based on signals received from the sensor system; image acquisition for generating an X-ray image; activating a blockage signal for the mobile X-ray device based on signals received from the sensor system; and an interface for outputting the generated X-ray image and/or information; wherein image acquisition is blocked, if the sensor system signals one of the following: at least one extrinsic object is detected within the predefined area; lack of alignment between the X-ray source and the object to be scanned.

Abstract: New and improved CT imaging systems are presented which improve the ability to deploy CT imaging in a mobile setting, such as in an ambulatory setting or as part of a mobile hospital unit. Improvements disclosed include implementation of an internal drive system for moving a scanner component relative to a fixed or static platform/base, improved modularity of components for quick maintenance/repair and the inclusion of an integrated patient alignment mechanism connected directly to the CT system.

Abstract: The X-ray inspection device includes a radiation source that irradiates X-rays toward a specimen that is rotated; a detector that detects transmitted X-rays irradiated by the radiation source, and passed through the specimen, and output a plurality of detection data for each angle of rotation; and a region extracting unit that extracts a region where the specimen is projected onto the detector, using the plurality of detection data.

Abstract: A radiation therapy apparatus determines a set of angles that have a tracking quality metric value that satisfies a tracking quality metric criterion. During an alignment phase or a treatment phase for a treatment stage of a target by the radiation therapy apparatus, the radiation therapy apparatus performs selects at least a first angle and a second angle from the set of angles for a first rotation of the gantry. The radiation therapy apparatus generates, using an imaging device mounted to the gantry, a first tracking image of the target from the first angle during the first rotation of the gantry. The radiation therapy apparatus generates, using the imaging device, a second tracking image of the target from the second angle during the first rotation of the gantry. The radiation therapy apparatus performs the target tracking based on the first tracking image and the second tracking image.

Abstract: Provided is a sample holder for an X-ray fluorescence spectrometer, which enables measurement of a liquid sample that is in a small amount and cannot be dropped and dried, when the measurement is performed with a tube-above optics X-ray fluorescence spectrometer. The sample holder for an X-ray fluorescence spectrometer includes: a first substrate including: a support substrate having a hole in which a liquid sample is placed; a first polymer film, which is bonded to a surface of the support substrate on an X-ray incident side so as to cover the hole; and an adhesive layer, which is provided on a back surface of the surface of the support substrate to which the first polymer film is bonded; and a second substrate including: a fixed substrate having a hole at a position corresponding to the hole of the support substrate; and a second polymer film, which is bonded to a surface of the fixed substrate on the X-ray incident side, the second substrate being bonded to the first substrate with the adhesive layer.

Abstract: A chassis has a structure in which a front structure and a rear structure are linked by an upper floor and a lower floor. The front structure is linked to a front wheel via a coupling member, a front wheel support member and a shaft. The front structure has a cylindrical support member. In addition, the rear structure is linked to a rear wheel via a shaft. A reinforcing member, which links the front structure and the rear structure in the central part of a space for accommodating a battery, is installed inside the space for accommodating the battery. The front end of the reinforcing member is linked to the cylindrical support member in the front structure. The upper surface of the reinforcing member is fixed to the upper floor and the lower surface of the reinforcing member is fixed to the lower floor.

Abstract: According to one embodiment, an X-ray computed tomography apparatus includes an X-ray tube, an X-ray detector, a gantry, control circuitry, and acquisition circuitry. The X-ray tube generates X-rays. The X-ray detector detects the X-rays generated by the X-ray tube. The gantry supports the X-ray tube and the X-ray detector rotatably around a rotation axis. While the X-ray tube and the X-ray detector are rotated, the control circuitry allows the X-ray tube to generate X-rays and alters a predetermined CT imaging parameter for which correction data is acquired during a single rotation. While the X-ray tube and the X-ray detector are rotated, the acquisition circuitry acquires correction data related to the target CT imaging parameter through the X-ray detector.

Abstract: A radiation detector assembly is provided that includes a plurality of multi-detector arms (e.g., between 2 and 5), and plural detector head units disposed in each multi-detector arm. Each of the multi-detector arms defines a cavity therein. At least two detector head units are disposed within the cavity of each multi-detector arm. Each detector head unit includes an absorption member and associated processing circuitry, with the processing circuitry configured to generate electronic signals responsive to radiation received by the absorption member. Each detector head unit is configured to pivot along a sweep direction.

Abstract: Systems and methods for reducing X-ray scatter during breast imaging, and more specifically during tomosynthesis imaging. In one embodiment, an anti-scatter grid having a plurality of septa may be configured to be positioned relative to an X-ray imaging device such that each septum of the plurality of septa extends along a direction substantially parallel to a coronal plane of a subject during imaging of the subject using the X-ray imaging device. The X-ray imaging device may be operable in a tomosynthesis mode for imaging of a breast of the subject and may include the anti-scatter grid disposed between a breast platform and the X-ray detector. The anti-scatter grid may be configured to move in a direction substantially parallel to a sagittal plane of the subject during tomosynthesis imaging.

Abstract: An optically emissive material and, in particular, materials for use in single photon generation technologies, have multiple excited energy states that have different decay rates and can emit photons with different properties. A primary excitation radiation source is configured to apply primary radiation to an optically emissive material to excite the optically emissive material into a primary excited state. A secondary excitation radiation source is configured to apply secondary radiation to a thermal contribution material to generate thermal energy in the thermal contribution material. The thermal contribution material is physically configured to transfer thermal energy to the optically emissive material and excite the optically emissive material from the primary excited state to a secondary excited state for dynamic control of the emission rate, or emitted photon properties, of the optically emissive material.

Abstract: A system for delivering radiation dose, includes a gantry to move about a target to be irradiated and a radiation source mounted to the gantry and directed inward toward the target, The system further includes a collimator mounted to the gantry and in front of the radiation source, the collimator to shape a radiation beam directed at the target, wherein the collimator is to modulate a sub-beam intensity of the radiation beam across a plurality of sub-beams that subdivide a fluence field into a two-dimensional (2D) grid, and wherein a plurality of independent two-dimensional (2D) sub-beam intensity patterns are delivered from a plurality of gantry angles while the gantry moves continuously.

Abstract: A scanning system having a plurality of X-ray sources together with a single X-ray detector that uses sequentially emitted overlapping fan-shaped or cone-shaped beams to image a target such as the leg of a horse. The X-ray detector is rotated closer to the target and the X-ray emitter sources are rotated at a greater distance from the target. The positioning systems of the X-ray detector and the X-ray sources may be operated independently of one another, with each of the X-ray detector and the X-ray sources being also rotated about separate axes passing therethrough (while they are both being rotated around the target) as a way to keep the X-ray sources and the X-ray detector parallel to one another while working in very tight spaces.

Abstract: An efficient source of EUV or SXR flux uses multiple e-beams from multiple cathodes to impact a wide anode target with a flux-generating surface to generate flux over a wide area. The conversion efficiency of e-beam power to flux power may be improved by the direction of the e-beams towards the anode target at shallow or grazing incidence angles or the use of mirrored anode surfaces which reflect EUV or SXR. The source is enclosed in a vacuum chamber and performs work such as the penetration of photoresist on a semiconductor wafer in vacuum.

Abstract: A method includes receiving radiation with a hybrid data detection system of an imaging system. The hybrid data detection system includes a hybrid data detector array with a set of spectral detectors and a set of integrating detectors that are arranged along a transverse axis of an examination region. The method further includes generating a set of truncated spectral projections with the first set of spectral detectors. The method further includes estimating a set of spectral projections for the integrating detectors. The method further includes combining the set of truncated spectral projections and the estimated set of spectral projections. The method further includes estimating a set of spectral projections based on the combined set to produce a complete set of spectral projections. The method further includes processing the complete set of spectral projections to generate volumetric image data.