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| Number | Title | Issue Date |
| 7194170 | Elastic microchannel collimating arrays and method of fabrication A microchannel collimating array may be fabricated by casting an elastic sheet onto a substrate containing a plurality of pedestals. The elastic sheet may be cured, and then pulled away from the substrate, leaving the elastic sheet with a plurality of tubes at the l... | 03/20/2007 |
| 7187750 | Method and apparatus for compensating non-uniform detector collimator plates A method for obtaining data includes scanning an object with radiation to collect projection data using an imaging system having a detector array with detector cells and a post-patient collimator, wherein the post-patient collimator has plates having non-uniform thi... | 03/06/2007 |
| 7180980 | Method for intensity modulated radiation treatment using independent collimator jaws The present invention is a method for treatment planning and delivery of the radiation treatment plan for the intensity-modulated radiation therapy (IMRT) treatment using linear accelerators (LINACs) not equipped with a multileaf collimator (MLC). The present invent... | 02/20/2007 |
| 7180982 | Grid for the absorption of X-rays The invention relates to an anti-scatter grid for the absorption of X-rays, wherein the wall elements (3) of the grid consist of a thermoplastic (7) with heavy metal particles (8) embedded therein. By using such a mixture, it is possible to prod... | 02/20/2007 |
| 7177387 | Self-aligning scintillator-collimator assembly The present invention is directed to scintillator module for a CT detector as well as an apparatus and method of manufacturing the same. The scintillator module is comprised of a scintillator array having a plurality of scintillators aligned in parallel with respect... | 02/13/2007 |
| 7164143 | PET and SPECT systems with attenuation correction A radiation source comprising: a source of radiation; a plate having an aperture formed therein, said aperture facing the source of radiation; and means for moving the source when no radiation is d... | 01/16/2007 |
| 7162008 | Method for the planning and delivery of radiation therapy A new optimization method for generating treatment plans for radiation oncology is described and claimed. This new method works for intensity modulated radiation therapy (IMRT), intensity modulated arc therapy (IMAT), and hybrid IMRT. ... | 01/09/2007 |
| 7149284 | Segmented collimator assembly A detector assembly is provided comprising a collimator assembly. The collimator assembly comprises a first collimator segment having a first left end and a first right end. The first collimator segment includes a plurality of first segment longitudinal walls having... | 12/12/2006 |
| 7149283 | Method for producing and applying an antiscatter grid or collimator to an x-ray or gamma detector A method is for producing and applying an antiscatter grid or collimator to an x-ray or gamma detector having matricially arranged detector elements which form a detector surface with detection regions sensitive to x-radiation and/or gamma radiation and less sensiti... | 12/12/2006 |
| 7149279 | Detecting unit for X-ray diffraction measurements Detecting unit comprises position-sensitive detector 1 and collimating system 2, situated in front of its window 19. Collimating system being made in the form of honeycomb structure comprising multitude of tubular channels for transmittance of d... | 12/12/2006 |
| 7145986 | Solid state X-ray detector with improved spatial resolution A monolithic detector uses a grid to block x-rays from inter-pixel regions such as are believed to cause electrical noise in the pixel signals. ... | 12/05/2006 |
| 7141812 | Devices, methods, and systems involving castings Certain exemplary embodiments comprise a device comprising a cast collimator derived from a metallic foil stack lamination mold, said collimaxor defining a feature adapted to contain a plurality of radiation detection elements. In certain embodiments, the collimator... | 11/28/2006 |
| 7127037 | Soller slit using low density materials A Soller slit device is provided for collimation of high energy radiation, such as X-ray or EUV radiation, and has a low angle of divergence (less than 0.1°) and a high transmission efficiency (60 to 80% or greater). The Soller slit is made up of multiple, parallel... | 10/24/2006 |
| 7123684 | Full field mammography with tissue exposure control, tomosynthesis, and dynamic field of view processing A mammography system using a tissue exposure control relying on estimates of the thickness of the compressed and immobilized breast and of breast density to automatically derive one or more technic factors. The system further uses a tomosynthesis arrangement that ma... | 10/17/2006 |
| 7070328 | Method for the compensation of image disturbances in the course of radiation image recordings and radiation image recording apparatus A method is for the compensation of image disturbances in the course of a radiation image recording caused by a defocusing of an antiscatter grid, arranged in the beam path between a beam source and a digital radiation image receiver and focused with respect to a sp... | 07/04/2006 |
| 7065175 | X-ray diffraction-based scanning system An x-ray diffraction-based scanning method and system are described. The method includes screening for a particular substance in a container at a transportation center using a flat panel detector having a photoconductor x-ray conversion layer to detect x-rays diffra... | 06/20/2006 |
| 7031434 | Method of manufacturing, and a collimator mandrel having variable attenuation characteristics for a CT system A method of manufacturing a collimator mandrel having variable attenuation characteristics is presented. The manufacturing process includes the placement of a layer of attenuating material on a core of base material. The layer of attenuating material is relatively t... | 04/18/2006 |
| 7015480 | Method and system for creating an image of a radiation source A method of creating an image of a radiation source includes detecting radiation associated with a first location of the radiation source. Data corresponding to the radiation associated with the first location is processed to provide a first value. The first value i... | 03/21/2006 |
| 7010083 | Collimator assembly having multi-piece components The present invention is directed to a collimator assembly defined by a series of multi-piece collimator elements or plates that extend along at least one dimension of a scintillator pack. Each collimator element has a collimating component and a shielding component... | 03/07/2006 |
| 6993110 | Collimator for imaging systems and methods for making same A method for fabricating a collimator includes mixing an x-ray absorbent material with at least one of a temporary binder and a temporary gel, and extruding the mixed x-ray absorbent material through a die to form a unitary collimator structure that is at least one ... | 01/31/2006 |
| 6990177 | X-ray optical system for small angle scattering An X-ray optical system for small angle scattering has a parabolic multilayer mirror and, so that switching to other X-ray incident optical systems for X-ray analysis can be easily performed. A parabolic multilayer mirror, an optical-path selecting slit device, a sm... | 01/24/2006 |
| 6987836 | Anti-scatter grids and collimator designs, and their motion, fabrication and assembly Grids and collimators, for use with electromagnetic energy emitting devices, include at least a metal layer that is formed, for example, by electroplating/electroforming or casting. The metal layer includes top and bottom surfaces, and a plurality of solid integrate... | 01/17/2006 |
| 6980629 | Antiscatter grid or collimator, and a method of production A method is for producing an antiscatter grid or collimator for a radiation type, which is formed from a base body of predeterminable geometry having transmission channels for primary radiation of the radiation type which extend between two opposite surfaces of the ... | 12/27/2005 |
| 6972845 | Collimator and spectrophotometer A collimator obtained by the alternate stacking of metal sheets 1 (40 μm thick) having holes 4 with a width of 2200 μm in the center thereof, and metal sheets 2 (10 μm thick) devoid of holes (the metal sheets 1 with the holes 4 ... | 12/06/2005 |
| 6963072 | Integral lens for high energy particle flow, method for producing such lenses and use thereof in analysis devices and devices for radiation therapy and lithography The invention makes possible to increase the degree of radiation focusing by the lens, to use particles of higher energies, and to increase the coefficients, depending on these factors, of the devices, the lens is used in. Thus the sublens 18 of the least deg... | 11/08/2005 |
| 6934354 | Collimator assembly having multi-piece components The present invention is directed to a collimator assembly defined by a series of multi-piece collimator elements or plates that extend along at least one dimension of a scintillator pack. Each collimator element has a collimating component and a shielding component... | 08/23/2005 |
| 6931096 | Radiation therapy device A radiation therapy device and a method of changing the spatial dose distribution surrounding a focus are disclosed. At least a subset of the radioactive sources in a source carrier is linearly displaceable relatively to at least a subset of collimator passage inlet... | 08/16/2005 |
| 6906330 | Gamma camera A hand gamma camera system for generating an image of a gamma radiation source, said camera comprising a housing designed to be hand held, a gamma radiation image detector mounted on or in said housing that generates detection data responsive to radiation data from ... | 06/14/2005 |
| 6891177 | Ion beam scanner system and operating method The invention relates to an ion beam scanning system having an ion source device, an ion acceleration system and an ion beam guidance system comprising an ion beam outlet window for a converging centered ion beam, and a mechanical alignment system for the target vol... | 05/10/2005 |
| 6865251 | Device for x-ray lithography A lithography device including a soft X-ray source 1 transforming to a quasi-parallel radiation apparatus for placing a mask 3 and a plate-substrate 4 coated with a resist 5, and an absorbing filter 6 for smoothing of intensity dec... | 03/08/2005 |
| 6792077 | Collimation system for dual slice EBT scanner An electron beam tomography (EBT) scanning system comprising an electron source generating an electron beam, a target ring that receives the electron beam and emits an x-ray fan beam upon impingement of the electron beam on the target ring, a pair of detector arrays... | 09/14/2004 |
| 6786393 | Pinhole disk laminate and a process for producing the same A plurality of pinhole disks are superposed, fixed in position with the pinholes brought into alignment with the aid of a wire, a pin or light, and bonded or welded together to form a pinhole disk laminate. The laminate has an untapered deep enough center through-ho... | 09/07/2004 |
| 6763588 | Gamma ray collimator build up A method of providing with precision a number of long and narrow through holes (11) in a body (1) made of a high-density material. The body (1) is made in the form of a number of partial bodies (2, 2′, 2″), which are arranged close to... | 07/20/2004 |
| 6744852 | Anti-scatter grid for an X-ray device The invention relates to an anti-scatter grid for an X-ray device which serves to reduce scattered radiation generated in an object to be examined and includes a plurality of absorber laminations for the absorption of the scattered radiation and a channel medium whi... | 06/01/2004 |
| 6693291 | Device and system for improved imaging in nuclear medicine and mammography A method and apparatus for detecting radiation including x-ray, gamma ray, and particle radiation for radiographic imaging, and nuclear medicine and x-ray mammography in particular, and material composition analysis are described. A detection system emplo... | 02/17/2004 |
| 6687334 | X-ray collimator and method of construction A collimator for an X-ray inspection apparatus is provided comprising a carrier having a planar top surface; an arcuate base disposed on the carrier, comprising at least one arcuate bar section made from a radio-opaque material; and a plurality of radio-o... | 02/03/2004 |
| 6624431 | High collection angle short wavelength radiation collimator and focusing optic The present invention provides a high gain collimator producing generally uniform intensity profiles for use in lithography and other applications. A focusing optic is also provided. The collimator includes a reflector and guide channel. The guide channel... | 09/23/2003 |
| 6621891 | Method and arrangement relating to x-ray detection A method an arrangement in an x-ray imaging apparatus (10), includes at least one x-ray source (11), a collimator (42, 52, 62a, 62b, 72) and a detcetor (43, 73); the arrangement is arranged for providing a variable exposure of the dector (43, 73) to x-ray... | 09/16/2003 |
| 6587538 | Detector unit, X-ray computer tomographic photographing device, X-ray detector, and X-ray detector manufacturing method A detector unit for detecting X rays passed through a collimator having a plurality of collimator single plates, includes a substrate attached to a collimator support for supporting the collimator, a photodetecting device array including photodetecting de... | 07/01/2003 |
| 6556657 | X-ray collimator and method of manufacturing an x-ray collimator A method of manufacturing a collimator including providing a plate-like body, coating a predetermined portion of a surface of the body with an x-ray absorbing material, and machining at least one collimating slit through the coating and the plate-like bod... | 04/29/2003 |
