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| Number | Title | Issue Date |
| 7729471 | Pre-filmed precision sample cell for x-ray analyzer A sample cell for an analysis instrument, having an outer body forming a sample reservoir therein; a directional fill valve disposed in an upper end of the outer body and forming an upper end of the sample reservoir, the fill valve for accepting a sample during fill... | 06/01/2010 |
| 7724990 | Fiber array unit with integrated optical power monitor A technique for monitoring optical power in a fiber array unit having a plurality of optical transmission waveguides terminating at an edge thereof for carrying optical signals to and/or from a PLC. A tapping filter is placed within a slit formed in the substrate an... | 05/25/2010 |
| 7711088 | Method and system for X-ray diffraction measurements using an aligned source and detector rotating around a sample surface An x-ray diffraction measurement apparatus for measuring a sample, having an x-ray source and detector coupled together in a combination for coordinated rotation around the sample, such that x-ray diffraction data can be taken at multiple phi angles. The apparatus m... | 05/04/2010 |
| 7710106 | Temporary planar electrical contact device and method using vertically-compressible nanotube contact structures A wafer-scale probe card for temporary electrical contact to a sample wafer or other device, for burn-in and test. The card includes a plurality of directly metallized single-walled or multi-walled nanotubes contacting a pre-arranged electrical contact pattern on th... | 05/04/2010 |
| 7519159 | Method and device for cooling and electrically insulating a high voltage, heat-generating component such as an x-ray tube for analyzing fluid streams A method and device for cooling and electrically-insulating a high-voltage, heat-generating component, for example, an x-ray tube (1105) for analyzing fluids by means of x-ray fluorescence. The device includes an x-ray source (1100) including an x-ray ... | 04/14/2009 |
| 7330620 | Low loss funnel-type PLC optical splitter with input cladding mode absorption structure and/or output segmented taper structure A funnel-type planar lightwave circuit (PLC) optical splitter having an input optical waveguide, a slab waveguide receiving the input optical signal from the input optical waveguide, and output waveguides projecting from the slab region. The region connecting the sl... | 02/12/2008 |
| 7277527 | Moveable transparent barrier for x-ray analysis of a pressurized sample A technique is disclosed for presenting a sample to a radiation interface of an analysis engine employing x-ray, neutron ray, gamma ray or particle-beam radiation to analyze the sample. A protective barrier, transparent to the radiation, and separating the sample fr... | 10/02/2007 |
| 7236566 | In-situ X-ray diffraction system using sources and detectors at fixed angular positions An x-ray diffraction technique for measuring a known characteristic of a sample of a material in an in-situ state. The technique includes using an x-ray source for emitting substantially divergent x-ray radiation—with a collimating optic disposed with respect to t... | 06/26/2007 |
| 7206375 | Method and apparatus for implement XANES analysis Compact, low-power-consuming systems and methods for exposing samples to high-energy radiation, for example, for exposing samples to x-rays for implementing x-ray absorption near edge analysis (XANES). The systems and methods include a low-power-consuming radiation ... | 04/17/2007 |
| 7110506 | Method and device for cooling and electrically insulating a high-voltage, heat-generating component such as an x-ray tube for analyzing fluid streams A method and device for cooling and electrically-insulating a high-voltage, heat-generating component, for example, an x-ray tube (1105) for analyzing fluids by means of x-ray fluorescence. The device includes an x-ray source (1100) including an x-ray ... | 09/19/2006 |
| 7104690 | Diagnosing system for an x-ray source assembly A diagnostic technique for an x-ray source. A system monitors existing conditions (e.g., tube current Y) in the source to track degradation of certain components to anticipate failure. Storage of past characteristics and reference characteristics is also provided fo... | 09/12/2006 |
| 7092843 | Apparatus and method for suppressing insignificant variations in measured sample composition data, including data measured from dynamically changing samples using x-ray analysis techniques A measurement and processing technique enabling x-ray analysis systems to handle dynamically changing samples and other conditions resulting in both significant and insignificant measurement changes. A stream of input values related to measured compositional informa... | 08/15/2006 |
| 7072439 | X-ray tube and method and apparatus for analyzing fluid streams using x-rays A technique for analyzing fluids by means of x-ray fluorescence applicable to any fluid, including liquids and gases, which emit x-ray fluorescence when exposed to x-rays. The apparatus includes an x-ray source (82) including an x-ray tube (64) having ... | 07/04/2006 |
| 7035374 | Optical device for directing x-rays having a plurality of optical crystals Devices for improving the capturing and utilization of high-energy electromagnetic radiation, for example, x-rays, gamma rays, and neutrons, for use in physical, medical, and industrial analysis and control applications are disclosed. The devices include optics havi... | 04/25/2006 |
| 7023955 | X-ray fluorescence system with apertured mask for analyzing patterned surfaces Measurement technique and apparatus for examining a region of a patterned surface such as an integrated circuit (IC). Excitation x-ray, neutron, particle-beam or gamma ray radiation is directed toward a two-dimensional sample area of the IC. Emissions (e.g., x-ray f... | 04/04/2006 |
| 6934359 | Wavelength dispersive XRF system using focusing optic for excitation and a focusing monochromator for collection X-ray fluorescence (XRF) spectroscopy systems and methods are provided. One system includes a source of x-ray radiation and an excitation optic disposed between the x-ray radiation source and the sample for collecting x-ray radiation from the source and focusing the... | 08/23/2005 |
