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| Number | Title | Issue Date |
| RE43036 | Filter for extreme ultraviolet lithography An apparatus, suited, for example, for extreme ultraviolet lithography, includes a radiation source and a processing organ for processing the radiation from the radiation source. Between the radiation source and the processing organ a filter is placed which, in the ... | 12/20/2011 |
| 8077830 | Beam filter positioning device A system includes a beam filter positioning device including a plate configured to support one or more beam filters, and one or more axes operable to move the plate relative to a beam line. A control mechanism is coupled to the one or more axes for controlling the m... | 12/13/2011 |
| 8059787 | Spectrum-preserving heel effect compensation filter made from the same material as anode plate It is described a filter (300) for at least partially compensating for an X-ray tube (10) the target angle heel effect and preserving the tungsten spectrum of the X-rays. The filter (300) has an anode side (302) and a cathode side (304... | 11/15/2011 |
| 8031840 | Beam filter, particularly for x-rays The invention relates to a beam filter (10) that can particularly be used in spectral CT-applications for producing a desired intensity profile of a radiation beam without changing its spectral composition. In a preferred embodiment, the beam filter (10 | 10/04/2011 |
| 7515689 | X-ray measuring instrument An X-ray measuring instrument in which an object under examination is irradiated with X-rays, measurement data on the object is detected, a filter for adjusting the amount of transmitted X-rays is disposed between an X-ray source and the object, the relative positio... | 04/07/2009 |
| 7443953 | Structured anode X-ray source for X-ray microscopy An x-ray source comprises a structured anode that has a thin top layer made of the desired target material and a thick bottom layer made of low atomic number and low density materials with good thermal properties. In one example, the anode comprises a layer of coppe... | 10/28/2008 |
| 7440540 | Stereoscopic x-ray system and method Disclosed are systems and methods for obtaining stereoscopic x-ray images. The method includes taking two digital x-ray views of the same object from differing positions. The included angle between the axes of the x-rays for each position generally coincides with th... | 10/21/2008 |
| 7430274 | XRF analyzer An XRF system, preferably handheld, includes an X-ray source for directing X-rays to a sample, a detector responsive to X-rays emitted by the sample, and a filter assembly with multiple filter materials located between the X-ray source and the detector. An analyzer ... | 09/30/2008 |
| 7430282 | Heel effect compensation filter X-ray irradiator, X-ray CT scanner and method for X-ray CT imaging A heel effect compensation filter is configured to have a thickness distribution that uniforms an X-ray intensity angular distribution that is nonuniform in the body axis direction of a subject in an X-ray flux irradiated space. The space is formed by an X-ray flux ... | 09/30/2008 |
| 7426260 | Polychronic digital radiography detector with patterned mask for single-exposure energy-sensitive X-ray imaging A digital radiography system, having: a pixilated optical detector; and a mask positioned adjacent to the pixilated optical detector, the mask comprising a repeating pattern of first and second portions configured to pass different wavelengths of electromagnetic rad... | 09/16/2008 |
| 7417874 | Information processing apparatus having detachable front and rear covers An information processing apparatus includes a circuit unit, a front cover to support the circuit unit, a rear cover combined with the front cover with the circuit unit disposed therebetween, a skirt having a skirt body protruding from a surface of one of the front ... | 08/26/2008 |
| 7397904 | Asymmetric flattening filter for x-ray device Devices and methods for implementing selective, or asymmetric, attenuation of an x-ray beam. In one example, a filter is provided that is substantially in the form of a wedge where some portions of the filter are thicker, and thus provide greater attenuation, than o... | 07/08/2008 |
| 7368733 | Contamination barrier and lithographic apparatus comprising same A rotatable contamination barrier for use with an EUV radiation system is disclosed. The contamination barrier has a blade structure configured to trap contaminant material coming from a radiation source, a bearing structure, coupled to a static frame, configured to... | 05/06/2008 |
| 7365345 | Lithographic apparatus, radiation system and filter system A filter system for filtering debris particles out of a predetermined cross-section of the radiation emitted by a radiation source of a lithographic apparatus includes a first set of foils and a second set of foils for trapping the debris particles, and a first heat... | 04/29/2008 |
| 7355190 | Debris mitigation device Numerous embodiments of a debris mitigation device are disclosed. One embodiment of the claimed subject matter may comprise a debris mitigation device for use in photolithography processes. In one embodiment, the debris mitigation device comprises a foil trap device... | 04/08/2008 |
| 7356118 | Angled-beam detection system for container inspection A non-intrusive inspection system, including apparatuses and methods, for non-intrusively inspecting containers such as, without limitation, those employed to transport items in international commerce. The non-intrusive inspection system is configured to generate an... | 04/08/2008 |
| 7349524 | X-ray generator and exposure apparatus An X-ray generator for generating plasma and X-ray emitted from the plasma includes a unit for generating the plasma, and plural reflection optical systems for introducing the X-ray through different optical paths. ... | 03/25/2008 |
| 7340030 | Asymmetric cone beam A multislice CT scanner for imaging a patient comprising: an X-ray source that generates a cone beam of X-rays radiated from a focal spot of the X-ray source wherein the X-ray source is moveable in a rotation plane so as to rotate the focal spot about an axial direc... | 03/04/2008 |
| 7336769 | X-ray flux management device The invention is directed to an x-ray flux management device that adaptively attenuates an x-ray beam to limit the incident flux reaching a subject and radiographic detectors in potentially high-flux areas while not affecting the incident flux and detector measureme... | 02/26/2008 |
| 7336768 | X-ray diagnosis apparatus An X-ray diagnosis apparatus is configured to control at least one of the X-ray diaphragm which restricts the irradiation range of the X-ray and the compensation filter which attenuates the amount of the X-ray based on at least one of the rotation position or the po... | 02/26/2008 |
| 7332731 | Radiation system and lithographic apparatus A radiation system for providing a projection beam of radiation is disclosed. The radiation system includes an extreme ultraviolet source for providing extreme ultra violet radiation, and a contamination barrier that includes a plurality of closely packed foil plate... | 02/19/2008 |
| 7330535 | X-ray flux management device The invention is directed to an x-ray flux management device that adaptively attenuates an x-ray beam to limit the incident flux reaching a subject and radiographic detectors in potentially high-flux areas while not affecting the incident flux and detector measureme... | 02/12/2008 |
| 7330531 | System for quantitative radiographic imaging A system for spectroscopic imaging of bodily tissue in which a scintillation screen and a charged coupled device (CCD) are used to accurately image selected tissue. Applications include the imaging of radionuclide distributions within the human body or the use of a ... | 02/12/2008 |
| 7329876 | Narrow-band transmission filter for EUV radiation The object of the invention is to provide a transmission filter for EUV radiation which has a sufficiently narrow transmission window to characterize EUV radiation in a narrowly defined spectral region. This object is met by providing a transmission layer system hav... | 02/12/2008 |
| 7321654 | Narrow band x-ray system and fabrication method thereof A narrow band x-ray filter can include: a substrate; and a sheaf of one or more reflection units stacked upon each other on the substrate. Each reflection unit can include: a first set of at least two discrete spacers on a respective underlying structures, a reflect... | 01/22/2008 |
| 7315611 | X-ray reflector exhibiting taper, method of making same, narrow band x-ray filters including same, devices including such filters, multispectral x-ray production via unispectral filter, and multispectral x-ray production via multispectral filter An x-ray reflector may include: a substrate; a first layer formed on the substrate, the first layer including a relatively higher-Z material, where Z represents the atomic number; and a second layer formed on the first layer, the second layer including a relatively ... | 01/01/2008 |
| 7310405 | High-Z cast reflector compositions and method of manufacture A scintillator pack comprises an array of scintillator pixels and an x-ray absorbing layer disposed in inter-scintillator regions between the scintillator pixels. The x-ray absorbing layer acts to absorb x-rays and protect underlying regions of the inter-scintillato... | 12/18/2007 |
| 7308073 | X-ray filter having dynamically displaceable x-ray attenuating fluid A bowtie filter is constructed to have a fluidic envelope filled with attenuating fluid and a displacement insert that can present various x-ray attenuation profiles during a scan. The insert is designed to displace the attenuating fluid to achieve a denied attenuat... | 12/11/2007 |
| 7263170 | Radiation therapy system featuring rotatable filter assembly A radiation therapy system is provided having a radiation source for providing radiation for treating a patient, including treating skin cancer, wherein the radiation source features a filtering device that changes its filtering characteristic for filtering the radi... | 08/28/2007 |
| 7260248 | Image processing using measures of similarity The invention provides methods of relating a plurality of images based on measures of similarity. The methods of the invention are useful in the segmentation of a sequence of colposcopic images of tissue, for example. The methods may be applied in the determination ... | 08/21/2007 |
| 7260182 | Method and apparatus of radiographic imaging with an energy beam tailored for a subject to be scanned A method and apparatus for tailoring the profile of an x-ray beam for radiographic imaging for a specific subject is disclosed. The invention includes a filter assembly having a pair of filters, each of which may be dynamically controlled by a motor assembly during ... | 08/21/2007 |
| 7254216 | Methods and apparatus for filtering a radiation beam and CT imaging systems using same A filter assembly for a computed tomographic imaging system includes first and second endplates at opposite ends of the filter assembly. Also provided is a first moveable subassembly that includes at least a first x-ray filter and which is configured to move along a... | 08/07/2007 |
| 7250620 | EUV lithography filter Filters for EUV lithography, methods of manufacture thereof, and methods of filtering in an EUV lithography system are disclosed. The filter comprises a nanotube material layer sandwiched by two thin material layers that are highly transmissive and provide structura... | 07/31/2007 |
| 7247866 | Contamination barrier with expandable lamellas A contamination barrier that passes through radiation from a radiation source and captures debris coming from the radiation source is disclosed. The contamination barrier includes an inner ring, an outer ring, and a plurality of lamellas. The lamellas extend in a ra... | 07/24/2007 |
| 7233010 | Radiation system and lithographic apparatus A radiation system for providing a projection beam of radiation in a lithographic apparatus is disclosed. The radiation system includes an EUV source for providing EUV radiation, and a contamination barrier that includes a plurality of foil plates for trapping conta... | 06/19/2007 |
| 7230258 | Plasma-based debris mitigation for extreme ultraviolet (EUV) light source A light source chamber in an Extreme Ultraviolet (EUV) lithography system may include a secondary plasma to ionize debris particles created by the light source and a foil trap to trap the ionize particles to avoid contamination of the collector optics in the chamber... | 06/12/2007 |
| 7209536 | CT colonography system A method and system of CT colonography is presented that includes the acquisition of energy sensitive or energy-discriminating CT data from a colorectal region of a subject. CT data is acquired and decomposed into basis material density maps and used to differentiat... | 04/24/2007 |
| 7203271 | Ionizing radiation imaging system and method with decreased radiation dose A system and method for imaging a volume having a detector including a first atomic species with an absorption edge at a first wavelength. The system also includes a source having a second atomic species for emitting an ionizing energy. The second atomic species has... | 04/10/2007 |
| 7200204 | Diaphragm fastening device and computed tomography apparatus embodying same A fastening device for a diaphragm for x-ray radiation has a base plate provided with an opening for the passage of x-ray radiation, the base plate being able to accommodate load forces, and at least one covering device which can be arranged for enclosure of a space... | 04/03/2007 |
| 7199384 | Inductively-driven light source for lithography An apparatus for producing light includes a chamber that has a plasma discharge region and that contains an ionizable medium. The apparatus also includes a magnetic core that surrounds a portion of the plasma discharge region. The apparatus also includes a pulse pow... | 04/03/2007 |
