Abstract: A device for, and method of manufacture of, a focused anti-scatter grid for improving the image contrast of x-ray images produced in medical, veterinary or industrial applications. The grid comprising a series of modular units so juxtaposed with each other as to form a series of focused channels for the passage of the focused imaging x-rays. The modules comprise a series of focusing ribbons of a heavy metal or a series of mating solid arcuate forms, formed of a polymer and having on at least one side surface a layer of heavy metal.

Abstract: A method of making an anti-scatter X-ray grid device, and the X-ray grid device made therefrom, includes providing a substrate made of a material substantially non-absorbent of X-rays that includes channels therein; applying a layer, also of a substantially non-absorbent of X-rays material, onto a sidewall(s) of the channels, wherein the layer comprises a second material; and then applying a material substantially absorbent of X-rays into a portion of the channels, so as to define a plurality of X-ray absorbing elements. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims.

Abstract: In certain exemplary embodiments of the present invention, three-dimensional micro-mechanical devices and/or micro-structures can be made using a production casting process. As part of this process, an intermediate mold can be made from or derived from a precision stack lamination and used to fabricate the devices and/or structures. Further, the micro-devices and/or micro-structures can be fabricated on planar or nonplanar surfaces through use of a series of production casting processes and intermediate molds. The use of precision stack lamination can allow the fabrication of high aspect ratio structures. Moreover, via certain molding and/or casting materials, molds having cavities with protruding undercuts also can be fabricated. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure.

Abstract: A scattered radiation collimator is disclosed for radiological radiation. In at least one embodiment, the scattered radiation collimator includes a multiplicity of absorber elements connected one behind the other in a collimation direction and at least two plate-like holding elements which are arranged substantially parallel with respect to one another and have absorber element holders for holding the absorber elements. In order to avoid erroneous positioning when transverse forces are acting, it is proposed in at least one embodiment, to connect the holding elements to each other by cross beams running along the end face of the absorber elements.

Abstract: A mobile dual-energy X-ray imaging system is presented. The mobile dual-energy X-ray imaging system is a digital X-ray system that is designed both to acquire original image data and to process the image data to produce an image for viewing. The system has an X-ray source and a portable flat-panel digital X-ray detector. The system is operable to produce a high energy image and low energy image, which may be decomposed to produce a soft tissue image and a bone image for further analysis of the desired anatomy. The system is disposed on a carrier to facilitate transport. The imaging system has an alignment system for facilitating alignment of the flat-panel digital detector with the X-ray source. The imaging system also comprises an anti-scatter grid and an anti-scatter grid registration system for removing artifacts of the anti-scatter grid from images.

Abstract: A two-dimensional X-ray shield grating which may be manufactured more easily and to a manufacturing method to provide therefor is provided. The method of manufacturing the X-ray shield grating includes: a first step of forming a plurality of columnar structures periodically arranged in two directions; and a second step of forming a film which surrounds at least side surfaces of the respective plurality of columnar structures, in which, in the second step, portions of the film formed on side surfaces of columnar structures which are adjacent to each other in the two directions among the plurality of columnar structures are connected to each other in the two directions, and in which the film is formed so that a columnar aperture is formed between columnar structures which are diagonally adjacent to each other with respect to the two directions among the plurality of columnar structures.

Abstract: One or more systems and/or techniques are disclosed herein for determining the orientation of a focal spot of a radiation source based upon shadows that are imposed on channels of a detector array from an anti-scatter grid. The anti-scatter grid is comprised of one or more anti-scatter plates that are focused on a point other than an intended focal spot of the radiation source. Such anti-scatters plates cast shadows on the detector array (even when the focal spot is located at the intended focal spot). By measuring changes in the signals generated by channels of the detector array that detect the shadows, it may be determined how the orientation of the focal spot has changed throughout an examination or between a calibration scan and an examination scan, for example.

Abstract: A radiation grid comprises an absorber including absorbing foil strips extending in a direction of extension for absorbing radiation, the absorbing foil strips being arranged in a direction of arrangement perpendicular to the direction of extension; a first covering member for covering one planar surface of the absorber; a second covering member for covering a surface at the opposite side of the one surface of the absorber; first joint members each provided in an area of adjacence between the first covering member and one of the absorbing foil strips forming the absorber, for integrating the two parts; second joint members each provided in an area of adjacence between the second covering member and one of the absorbing foil strips forming the absorber, for integrating the two parts; and connecting members provided to connect ends in the direction of extension of the absorbing foil strips. The connecting members are disposed clear of a middle portion in the direction of extension of each absorbing foil strip.

Abstract: There is provided a radiographic imaging apparatus including: a control unit housing a control section and a power source section; a panel unit housing a radiation detection panel; a connection member that rotatably connects one edge portion of each of the control unit and the panel unit so as to adopt two states: a closed state in which one face of the control unit faces one face of the panel unit, and an open state in which the one face of the control unit and the one face of the panel unit are side-by-side facing in substantially the same direction, wherein in the open state the other face of the panel unit is positioned higher than the other face of the control unit; and a support member positioned below the other face of the panel unit and supporting the panel unit when in the open state.

Abstract: Arrangements of X-ray inspection systems are described for inspecting high-z materials in voluminous objects such as containers. Inspection methods may involve generating a radiographic image based on detected attenuation corresponding to a pulsed beams of radiation transmitted through a voluminous object. The pulsed beams of radiation are generated by a high-energy source and transmitted substantially downward along an incident angle, of approximately 1° to 30°, to a vertical axis extending through the voluminous object. The generated radiographic image may be analyzed to detect on localized high attenuation representative of high-z materials and to discriminate high-z materials from lower and intermediate-z materials on the basis of the high density and greater attenuation of high-z material for higher energy (3-10 MeV) X-rays, and the compact nature of threatening masses of fissionable materials.

Abstract: An anti-scatter grid for an x-ray imaging system. The grid has substrate having a first face and a second face. The substrate has a plurality of grooves opening onto the first face of the substrate and not opening onto the second face. The substrate has high X-ray absorption properties. Each groove has an orientation such that the planes of all the grooves are convergent and intersect along a line situated on the side of the second face where the grooves do not open.

Abstract: A grid (1) for selective transmission of electromagnetic radiation and a method for manufacturing such grid is proposed. Therein, the grid (1) comprises a structural element with walls (3) comprising a plurality of particles (19) of a radiation-absorbing material wherein the particles (19) are sintered together such that pores (21) are present between neighbouring particles (19). The pores (21) are at least partially filled with a second solid material. The filling of the pores (21) can be done by inserting the second material in a liquid, preferably molten form into the pores. The second material can be itself radiation-absorbing as well and may help to both, increase the mechanical stability of the grid and to enhance the radiation-absorbing properties.

Abstract: The present application relates to a combined anti-scatter grid, cathode, and carrier for a photon detector used in spectral CT imaging. The photon detector of the present application may include a cathode having at least one outwardly extending plate and at least one base plate, a substrate having at least one anode, and a converter material, such as for example, Cadmium Zinc Telluride (“CZT”) or Cadmium Telluride. The at least one outwardly extending plate of the cathode may extend above the other detector components to act as an anti-scatter grid for the detector. Further, the at least one outwardly extending plate of the cathode may extend below the other detector components and be fixed to the at least one base plate of the detector. The converter material may be attached to at least one side of the at least one outwardly extending plate of the cathode.

Abstract: An X-ray measurement apparatus includes an X-ray source configured to emit an X-ray to irradiate a specimen with the X-ray, a collimator configured to shape a beam of the X-ray emitted from the X-ray source into a sliced fan-shaped beam x-ray, a flux shield configured to block a part of a flux of the fan-shaped beam X-ray so as to suppress beam hardening while adjusting an energy intensity distribution of the flux, the flux shield being placed between the collimator and the specimen, and an X-ray detector configured to detect a dose transmitted through the specimen.

Abstract: In a radiographic apparatus, positions of a radiation grid and a radiation detector are determined such that, when a radiation source and the radiation detector are in a standard position, an arrangement pitch of shadows of absorbing foil strips appearing on a detecting plane of the radiation detector as a result of a radiation beam being emitted from the radiation source and blocked by the radiation grid is an integral multiple of an arrangement pitch in a transverse direction of radiation detecting elements. Further, the shadows of the absorbing foil strips appear without covering transversely adjacent pairs of the detecting elements.

Abstract: A method, system, and apparatus including an x-ray detector unit that includes an anti-scatter grid free of at least one of a top cover and a bottom cover, a flat panel x-ray detector having an x-ray conversion layer, and an integrated anti-scatter grid assembly configured to provide structural support to the anti-scatter grid and to provide mechanical protection to the flat panel x-ray detector. The anti-scatter grid is configured to absorb a plurality of scattered x-rays impinging on the anti-scatter grid while substantially allowing un-scattered x-rays to pass through the anti-scatter grid. The x-ray conversion layer is configured to convert an x-ray into visible light or an electronic signal. The flat panel x-ray detector is fixed relative to the anti-scatter grid such that the anti-scatter grid remains stationary relative to the flat panel x-ray detector during operation of the x-ray detector.

Abstract: A CT scanner with scatter correction device and a method for scatter correction are provided. The method comprises positioning shields for shielding some of the CT detector elements from direct X ray radiation, while allowing scattered radiation to arrive at said shielded elements; measuring scatter signals from said shielded elements, indicative of scattered radiation intensity; and correcting for scatter by subtracting scatter intensity values estimated from said measured scatter signals from signals measured by unshielded detector elements.

Abstract: Certain embodiments of the present invention provide an antiscatter grid including an electromagnetic coil array integrated with the antiscatter grid. The electromagnetic coil array is registered with the antiscatter grid. The electromagnetic coil array is configured to detect an electromagnetic field at the antiscatter grid. In an embodiment, the electromagnetic coil array may be positioned in front of the antiscatter grid. In an embodiment, the electromagnetic coil array may be positioned behind the antiscatter grid. In an embodiment, the electromagnetic coil array may be attached to the antiscatter grid. In an embodiment, a portion of the electromagnetic coil array may be transparent to x-rays. In an embodiment, the electromagnetic coil array may include one or more electromagnetic coils. In an embodiment, the electromagnetic coil array may be a printed circuit board (PCB) electromagnetic coil array.

Abstract: Certain exemplary embodiments can provide a first isogrid defining a first plurality of zones, each zone from said first plurality of zones comprising a plurality of ligaments, each zone from said first plurality of zones defining a plurality of spaces, each space bounded by a first sub-plurality of ligaments from said plurality of ligaments, each of said ligaments comprising a plurality of ligament surfaces.

Abstract: A method for assembling a secondary collimator including a first face plate having a first surface and an opposing second surface is provided. The method includes positioning a lamella assembly on the first face plate, wherein the lamella assembly includes at least one radiation-absorbing material layer and at least one radiation-transmitting material layer, such that a first surface of the lamella assembly is adjacent the second surface of the first face plate. The method also includes coupling a second face plate to the first face plate and the lamella assembly such that a first surface of the second face plate is adjacent a second surface of the lamella assembly.

Abstract: The invention relates to a process for acquisition of one or more radiological image(s) of an object of a region of interest on a patient, obtained by means of a radiological imaging system, in which the system includes: a radiation source, a detector arranged opposite the source and at least one anti-diffusion grid, which process includes steps consisting of: determining characteristics of the object to be imaged; controlling, according to the characteristics determined, a movement of the anti-diffusion grid in order to position it in or remove it from an operational position between the object and the detector, in which the operational position corresponds to a position of the grid centered on the source-detector axis and parallel to the plane including the detector; and acquiring images of the structure exposed to the radiation emitted by the source.

Abstract: A method for fabricating a collimator assembly is provided. The collimator assembly includes a first collimator grid having a first surface and an opposing second surface, wherein the first collimator grid defines a plurality of cells. Each cell of the plurality of cells is aligned in a first direction and extends between the first surface and the second surface. The method includes coupling a reinforcing layer to the first collimator grid such that the reinforcing layer extends substantially perpendicular to the first direction.

Abstract: An anti-scatter grid for medical x-ray devices is provided. The anti-scatter grid comprising a number of first elements from a first material with second elements made from a second material integrated therein. In this case the first material is more transparent to radiation than the second material. The second elements are arranged in the first elements such that for stacking of the first elements a grid absorbing scattered radiation is formed by means of second elements for radiation arriving perpendicular to the direction of the stacking of the first elements. The advantage of this is that this anti-scatter grid is able to be produced simply and reliably with a large aspect ratio.

Abstract: A radiographic apparatus includes a radiation source for emitting radiation, a radiation detecting device with detecting elements arranged two-dimensionally, a radiation grid with absorbing foil strips for removing scattered radiation, a physical quantity acquiring device for calculating predetermined physical quantities based on outputs of the radiation detecting device, a physical quantity map generating device for generating a physical quantity map by mapping the predetermined physical quantities, and a physical quantity map smoothing device for smoothing the physical quantities arranged on the physical quantity map in a direction of extension of the absorbing foil strips, thereby to generate an average value map.

Abstract: Disclosed is an X-ray reflecting device and an X-ray reflecting element constituting the X-ray reflecting device capable of facilitating a reduction in weight and being prepared in a relatively simple manner. The X-ray reflecting element of the present invention comprises a body made of a solid silicon, and a plurality of slits formed in the body in such a manner as to penetrate from a front surface to a back surface of the body. Each of the slits has a wall surface serving as an X-ray reflecting surface.

Abstract: A radiation imaging apparatus comprising a detection unit for detecting a radiation distribution transmitted through an object, an imaging unit which includes the detection unit, and a grid for suppressing scattered light which is detachably mounted on an outside of the imaging unit, wherein the imaging unit includes a buffer member on a side surface facing a surface side which radiation strikes, the grid includes a grid body placed on the surface side which the radiation strikes, and a fixing unit for fixing the grid body to the imaging unit, and sides constituting the fixing unit include a side which does not protrude from an outer shape of the imaging unit when viewed from the surface side which the radiation strikes.

Abstract: An anti-scatter device for suppressing scattered radiation includes a plurality of x-ray absorbing layers. The anti-scatter device further includes a plurality of spacer layers, such that each spacer layer is arranged between any two of the plurality of x-ray absorbing layers in order to hold each of the x-ray absorbing layers in a pre-defined orientation. Furthermore, each of the spacer layers includes a plurality of unsealed voids to reduce the absorption of x-rays incident on at least a portion of each of the spacer layers.

Abstract: Disclosed is a mobile radiographic unit with improved x-ray scatter control. Improved x-ray scatter control is provided through the alignment of the system with the focal line of an anti-scatter grid. In a preferred embodiment, the system comprises an x-ray source assembly, a tube housing mounting, a measuring system, a motion control system and a processor in communication with the measuring system and the motion control system.

Abstract: An x-ray absorption grid produced by a lithography method for use in a phase-contrast CT system has at least two individual grids arranged atop one another in the radiation direction. Each individual grid has a grid area with a grid structure including grid webs and grid gaps in alternation. Each individual grid has a region outside of the grid area (outer region). The outer region of the at least two individual grids has toothed structures corresponding to one another at least two points. The toothed structures are generated as well in the production of the grid structure. The toothed structures have a position that is defined relative to the grid structure, such that a defined alignment of the individual grids occurs given a combination of the individual grids by engagement of the toothed structures of individual grids lying atop one another.

Abstract: Cone-beamCT scanners with large detector arrays suffer from increased scatter radiation. This radiation may cause severe image artefacts. According to an exemplary embodiment of the present invention, an examination apparatus is provided which directly measures the scatter radiation. The measurement is performed by utilizing an X-raytube with an anode disk (500) comprising a slit (510) which is positioned in a 5 target area (512) of the anode disk. The slit opening is adapted to be penetrated at least partially by the electron beam (580) from the cathode of the x-raytube to alternatingly create a secondary source of X-rays (555) from a second anode (550), whereby the secondary source is located outside the focus area of the anti-scatter grid of the X-raydetector. Cone-beamCT scanners may also suffer from cone beam artifacts. An X-10 raytube is described, which helps measuring an additional set of scan data.

Abstract: A grid 3 arranged with a scattered radiation shielding plate 31 for each column is arranged at a front face of a radiation detector 2. The distance between the grid 3 and the radiation detector 2 is desirably a integral multiple of the height of the scattered radiation shielding plate 31. A true image signal of the pixel column including the shade is estimated from the image signal of the pixel column adjacent to the pixel column including the shade 41. The scattered radiation distribution is estimated from the image signals of the pixel column including the shade of the scattered radiation shielding plate and the image signals when considering that the shielding plate is not included in the shielded pixel. A clear diagnosis image without influence of scattered radiation is obtained by subtracting the estimated scattered radiation distribution from the estimated image signal distribution.

Abstract: An imaging technique is provided for acquiring scatter free images of an object. The technique includes acquiring a plurality of projection images of the object using a source and a detector oriented at a plurality of projection angles relative to the object, and generating a plurality of scatter free projection images by correcting the plurality of projection images based on respective ones of a plurality of stored scatter images. The scatter images are generated and stored for each of the projection angles by positioning a scatter rejection plate between the object and the detector. The technique further includes reconstructing a three-dimensional image of the object based on the scatter free projection images.

Abstract: The invention relates to an Anti-Scatter-Grid (ASG) with lamellae (2) that absorb incident radiation (1, 8) and that produce an electrical signal proportional to the amount of absorbed radiation. The lamellae (2) may particularly consist of a semiconductor material in which photons produce electron-hole pairs that can be detected with the help of electrodes (3, 4, 6) on the sidewalls of the lamellae (2). The amount of absorbed scattered (8) or primary (1) radiation may thus be determined in a spatially resolved way, allowing to correct the image generated by an array (5) of sensor units (9).

Abstract: A radiographic imaging system comprises: a grid located opposite a surface of a radiographic image data detector to remove scatter radiation occurring when a radiation penetrates the subject; a grid moving mechanism for moving the grid at least in a direction; control means for acquiring first radiographic image data with the radiographic image data detector in a preset imaging time while moving the grid with the gird moving mechanism; and anomaly detection means for calculating a displacement of a grid image in the first radiographic image data based upon a position in which the grid is located and a displacement of the grid effected by the grid moving mechanism during the preset imaging time and detecting a defect in the first radiographic image data having a length agreeing with the calculated displacement of the grid image.

Abstract: A grid comprises an alternate assembly of radiation-permeable members and radiation-impermeable members which extend substantially parallel to the chest wall of a subject. When a radiation emitted from a radiation source is applied through a breast of the subject and the grid to a radiation detector, a radiation image of the breast is captured. While the radiation is being applied to the breast, the grid reciprocates in directions perpendicular to the direction in which the radiation-impermeable members extend.

Abstract: The present disclosure concerns a grid for selective transmission of electromagnetic radiation, particularly X-ray radiation, that has at least one structural element (2) that was built by means of selective laser sintering of an essentially radiation-opaque powder material, and it also discloses a method of manufacturing a grid for selective transmission of electromagnetic radiation that comprises the step of growing at least a structural element (2) by means of selective laser sintering from an essentially radiation-opaque powder material. Having a structural element that is built by selective laser sintering, the grid can be a highly complex 3D structure that is not achievable by molding or milling techniques. In one embodiment of the grid, the sintered structure engages through holes in metal sheets.

Abstract: It is described a portable X-ray system (200), which has sensing means for detecting whether an anti scatter grid (230) is attached to a portable detector (240) or not. The system is able to automatically change the default exposure settings (265 a, 265b, 265 c, 265 d), when a grid (230) is removed or attached to the portable detector (240). Thus, the risk of an under- or an over-exposure of the image will be reduced.

Abstract: A Grid (1) for selective absorption of electromagnetic radiation (2, 3), as used e.g. in CT or NM imaging, comprises a block of a rigid foam material (4), where the foam material is essentially transparent to the electromagnetic radiation (2, 3), a first set of radiation absorbing lamellae (5), and a second set of radiation absorbing lamellae (6), the first and the second set of lamellae are arranged in the block of foam material so that a radiation transmission direction (T) is defined, the first set of lamellae and the second set of lamellae being arranged on top of each other with respect to the transmission direction (T). Such a grid arrangement is rigid due to the use of a carrier material, can be manufactured precisely and, furthermore, two-dimensional grids can be manufactured without the need to physically intersect the lamellae.

Abstract: A radiographic imaging system comprises: a grid located opposite a surface of a radiographic image data detector to remove scatter radiation occurring when a radiation penetrates the subject; a grid moving mechanism for moving the grid at least in a direction; control means for acquiring first radiographic image data with the radiographic image data detector in a preset imaging time while moving the grid with the gird moving mechanism; and anomaly detection means for calculating a displacement of a grid image in the first radiographic image data based upon a position in which the grid is located and a displacement of the grid effected by the grid moving mechanism during the preset imaging time and detecting a defect in the first radiographic image data having a length agreeing with the calculated displacement of the grid image.

Abstract: A mobile dual-energy X-ray imaging system is presented. The mobile dual-energy X-ray imaging system is a digital X-ray system that is designed both to acquire original image data and to process the image data to produce an image for viewing. The system has an X-ray source and a portable flat-panel digital X-ray detector. The system is operable to produce a high energy image and low energy image, which may be decomposed to produce a soft tissue image and a bone image for further analysis of the desired anatomy. The system is disposed on a carrier to facilitate transport. The imaging system has an alignment system for facilitating alignment of the flat-panel digital detector with the X-ray source. The imaging system also comprises an anti-scatter grid and an anti-scatter grid registration system for removing artifacts of the anti-scatter grid from images.

Abstract: A mammographic imaging system is optimized for use with a single fixed size flat panel digital image receptor. It accommodates compression devices (paddles) of varying sizes, and positions them properly in the field of view of the image receptor. When a compression paddle with size smaller than the field of view of the image receptor is used, the compression paddle can be shifted laterally in the direction parallel to the chest wall, so as to facilitate different views of different size breasts, and permit the image receptor to image as much of the desired tissue as possible. An automatic x-ray collimator restricts the x-ray illumination of the breast in accordance with compression paddle size and location in the field of view. An anti-scatter grid, mounted inside the image receptor enclosure, just below the top cover of the enclosure, can be retracted out of the field of view of the image receptor for use in magnification imaging.

Abstract: A grid 3 arranged with a scattered radiation shielding plate 31 for each column is arranged at a front face of a radiation detector 2. The distance between the grid 3 and the radiation detector 2 is desirably a integral multiple of the height of the scattered radiation shielding plate 31. A true image signal of the pixel column including the shade is estimated from the image signal of the pixel column adjacent to the pixel column including the shade 41. The scattered radiation distribution is estimated from the image signals of the pixel column including the shade of the scattered radiation shielding plate and the image signals when considering that the shielding plate is not included in the shielded pixel. A clear diagnosis image without influence of scattered radiation is obtained by subtracting the estimated scattered radiation distribution from the estimated image signal distribution.

Abstract: Certain embodiments of the present invention provide a flat-panel detector integrated with an electromagnetic coil array. The electromagnetic coil array is positioned inside of the flat-panel detector. The electromagnetic coil array is configured to detect an electromagnetic field at the flat-panel detector. In an embodiment, the flat-panel detector may also include a detector panel. The electromagnetic coil array may be positioned behind the detector panel. In an embodiment, the detector panel may be transparent to electromagnetic fields. In an embodiment, the flat-panel detector may also include a cold plate. The electromagnetic coil array may be positioned between the detector panel and the cold plate. In an embodiment, the electromagnetic coil array may include one or more electromagnetic coils. In an embodiment, the electromagnetic coil array may be a printed circuit board (PCB) electromagnetic coil array.

Abstract: A computed tomography method and apparatus are provided wherein a radiation source moves circularly relative to an examination zone about an axis of rotation (14). The radiation source produces a cone beam of x-rays and the focal point of this cone beam is switched between at least two positions (23a, 23b) spaced apart from each other and arranged on a line parallel to the axis of rotation to enlarge the reconstructable examination zone parallel to the axis of rotation. Preferably, the image of the examination zone is reconstructed using an iterative reconstruction method, in particular an algebraic reconstruction method or a maximum likelihood method.

Abstract: A radiation detector for a computed tomography scanner includes a plurality of radiation detector modules. Each detector module includes an anti-scatter module, at least one radiation absorbing mask and a detector subassembly module. The anti-scatter module includes radiation absorbing anti-scatter plates. The detector subassembly module includes a substrate and an array of detector elements. The radiation absorbing mask is a photoetched grid, formed of a radiation absorbing material and is positioned between the anti-scatter module and the detector elements of array. The strip of the grid, that is parallel to the anti-scatter plates, is wider than each anti-scatter plate. The detector module is aligned with a spatial focus by inserting the alignment pins into the alignment openings of the radiation absorbing mask and the alignment openings of the detector subassembly module.

Abstract: An anti-scatter grid for medical x-ray devices is provided. The anti-scatter grid comprising a number of first elements from a first material with second elements made from a second material integrated therein. In this case the first material is more transparent to radiation than the second material. The second elements are arranged in the first elements such that for stacking of the first elements a grid absorbing scattered radiation is formed by means of second elements for radiation arriving perpendicular to the direction of the stacking of the first elements. The advantage of this is that this anti-scatter grid is able to be produced simply and reliably with a large aspect ratio.

Abstract: A shielding system which can be applied to a radiation therapy system and/or diagnostic system includes a scatter shield configured to absorb scattered radiation from a patient, a source shield to absorb unwanted radiation from the radiation source, and an anti-reflective beam dump configured to absorb radiation that is transmitted through a patient. The radiation therapy and/or diagnostic system includes a radiation source positioned in the source shield, and a patient support positioned in the scatter shield.

Abstract: Certain exemplary embodiments of the present invention comprise a device comprising a cast computed-tomography collimator descended from a lithographically-derived micro-machined metallic foil stack lamination mold. Certain exemplary embodiments of the present invention comprise a method comprising filling a mold having a stacked plurality of micro-machined metallic foil layers with a first casting material to form a first cast product; demolding the first cast product from the mold; filling the first cast product with a second casting material to form a cast computed-tomography collimator; and demolding the cast computed-tomography collimator from the first cast product. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. This abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

Abstract: The object of this invention is to provide an imaging apparatus capable of providing a high-quality image optimum for medical diagnosis or the like by an arrangement for preventing any degradation in image quality due to the influence of electromagnetic noise and vibration caused by grid movement. In order to achieve this object, as operation control in receiving radiation transmitted through an object by an image sensing element through a movable grid and reading the accumulated signal from the image sensing element, a control device stops moving drive movement of the grid after the end of radiation irradiation for the object, and after the stop of moving drive stopping the movement, starts reading the accumulated signal from the image sensing element.

Abstract: The object of this invention is to provide an imaging apparatus capable of providing a high-quality image optimum for medical diagnosis or the like by an arrangement for preventing any degradation in image quality due to the influence of electromagnetic noise and vibration caused by grid movement. In order to achieve this object, as operation control in receiving radiation transmitted through an object by an image sensing element through a movable grid and reading the accumulated signal from the image sensing element, a control device stops moving drive movement of the grid after the end of radiation irradiation for the object, and after the stop of moving drive stopping the movement, starts reading the accumulated signal from the image sensing element.