Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7245695 | Detection of dishing and tilting using X-ray fluorescence A method for testing a material applied to a surface of a sample includes directing an excitation beam, having a known beam-width and intensity cross-section, onto a region of the sample. An intensity of X-ray fluorescence emitted from the region responsively to the... | 07/17/2007 |
| 7242743 | X-ray diffraction apparatus and method A high resolution X-ray diffraction apparatus includes a source 4 of X-rays and a slit 6 to direct a collimated beam of X-rays 11 onto a sample 16 on a sample stage 8. Detector 10 records the intensity of diffracted X-rays a... | 07/10/2007 |
| 7236570 | Semi-permeable diaphragm sealing system A sealing system is disclosed for preventing liquid escape from the reservoir of an apparatus, such as an x-ray tube, that utilizes a diaphragm for maintaining constant liquid pressure in the reservoir. The sealing system of embodiments of the present invention cont... | 06/26/2007 |
| 7236564 | Linear array detector system and inspection method A linear array detector (LAD) for scanning an object is provided. The detector includes a scintillator layer configured for generating a number of optical signals representative of a fraction of an incident X-ray beam passing through the object. The plane of the sci... | 06/26/2007 |
| 7236569 | X-ray tube The invention improves an insulating performance of an X-ray tube without increasing an insulation size. An X-ray tube in accordance with the invention keeps a mechanical strength of a glass insulation material and improves an insulation withstand voltage by a conca... | 06/26/2007 |
| 7236568 | Miniature x-ray source with improved output stability and voltage standoff An x-ray source includes an insulating tube having a cylindrical inside surface defining a cylindrical vacuum cavity, a cathode located near a first end of the insulating tube and adapted to be optically heated for emitting electrons, an anode adapted for a voltage ... | 06/26/2007 |
| 7233641 | Method and control device for controlling the temperature of a detector system inside a computed tomography unit A method and a control device are for controlling the temperature of a detector system inside a computed tomography unit. The CT unit includes a rotatable gantry with a gantry housing in which both an X-ray tube and the detector system are located. The detector syst... | 06/19/2007 |
| 7231016 | Efficient measurement of diffuse X-ray reflections A method for inspection of a sample having a surface layer. The method includes acquiring a first reflectance spectrum of the sample while irradiating the sample with a collimated beam of X-rays, and processing the first reflectance spectrum to measure a diffuse ref... | 06/12/2007 |
| 7227926 | Imaging apparatus and imaging system An X-ray image radiographing system comprises an X-ray generator, a detection unit, a correction unit for performing a correction processing for the data outputted from the detection unit, and an output unit for outputting data processed by the correction unit. More... | 06/05/2007 |
| 7221737 | Scattered radiation grid or collimator A scattered radiation grid for absorbing secondary radiation scattered by an object comprises a support, and a plurality of spaced-apart absorbing elements affixed to the support. The plurality of absorbing elements comprises relatively small tubes or pins affixed t... | 05/22/2007 |
| 7221734 | Method for X-ray reflectance measurement An X-ray reflectance is measured with the use of an X-ray detector, which is not less than 107 cps in upper-limit counting rate and is not more than twenty cps in noise level, under the condition that a measuring time length per interval of scattering ang... | 05/22/2007 |
| 7220052 | X-ray diagnostic apparatus An X-ray diagnostic apparatus includes two photographic systems, a control circuit controlling a movement of the second photographic system. A control circuit which controls movement of a photography system can move the photographic system to a temporary evacuation ... | 05/22/2007 |
| 7221730 | Multi-row detector x-ray CT apparatus and method for creating tomogram An X-ray CT apparatus comprising a scanner that includes an X-ray source and an X-ray detector having two-dimensionally arranged X-ray detector elements, disposed on the opposite side of the subject to the X-ray source and carries out helical scanning around the rev... | 05/22/2007 |
| 7218701 | Radiological imaging apparatus The image pickup apparatus of the radiological imaging apparatus of the present invention includes many detector units, a ring-shaped detector support member and an X-ray source circumferential transport apparatus. Each of the detector units is attached to the detec... | 05/15/2007 |
| 7218706 | Energy discrimination radiography systems and methods for inspecting industrial components An energy discrimination radiography system includes at least one radiation source configured to alternately irradiate a component with radiation characterized by at least two energy spectra, where the component has a number of constituents. At least one radiation d... | 05/15/2007 |
| 7215733 | X-ray computed tomography apparatus A plurality of region-specific areas are set on a scanogram, and an image SD value is set for each region-specific area. A tube current calculating unit calculates a tube current value at each position on the basis of a tube current pattern in a tube current pattern... | 05/08/2007 |
| 7210847 | Intraoral X-ray sensor An intraoral sensor for a dental X-ray apparatus includes a detection element for detecting the X-ray radiation. The element is disposed in an interior of a housing. To improve the possibilities for cleaning and sterilizing, the housing or parts thereof are of an ab... | 05/01/2007 |
| 7212611 | Method and apparatus for limiting a ray beam The invention concerns a method and apparatus for limiting a ray beam, especially in connection with an x-ray imaging equipment. The invention comprises a collimator construction in which a primary blade element (4) is moved directly by means of an actuator (... | 05/01/2007 |
| 7207713 | Boom with mast assembly A torsion- and bending resistant boom formed of beams running the length of the structure, a set of pierced, transverse flanges arrayed along, and substantially perpendicular to, the length of the structure, a continuous longitudinal member running the length of the... | 04/24/2007 |
| 7206380 | X-ray apparatus An X-ray apparatus includes a rotation-anode type X-ray tube which is configured such that a rotatable anode target and a cathode that is disposed to be opposed to the anode target are accommodated within a vacuum envelope, a stator which generates an induction elec... | 04/17/2007 |
| 7203282 | Removable filter holder and method A cooling system is provided for high energy emitting devices such as employed in X-ray diffraction testing equipment. The cooling system includes a removable filter holder that carries a filter for being disposed in a cooling path formed in the X-ray head assembly ... | 04/10/2007 |
| 7203280 | X-ray apparatus The present invention relates to an X-ray apparatus comprising an electron radiation source which generates an electron to an anode, a shaft which rotatably supports the anode, a stator which generates a force to rotate a rotor shaft, an enclosure which maintains at... | 04/10/2007 |
| 7203270 | X-ray computed tomographic apparatus An X-ray computed tomographic apparatus includes a gantry, a reconstructing portion, and a tube current value determining portion. The gantry acquires projection data of an arbitrary range in a body axial direction by continuously moving a tabletop on which a subjec... | 04/10/2007 |
| 7200199 | X-ray diagnostic device for mammography examinations An X-ray diagnostic device is for mammography examinations and includes an arm for an X-ray tube and an object table having an image receptor. The X-ray tube is able to emit a radiation field towards the image receptor. Further, an X-ray grid is included, that is in... | 04/03/2007 |
| 7197118 | X-ray apparatus The present invention is characterized by supporting a stator to generate a magnetic field and an anode target by a dynamic pressure plain bearing using a liquid metal, and cooling at least the inside of the dynamic pressure plain bearing and an enclosure containing... | 03/27/2007 |
| 7197119 | High-performance anode plate for a directly cooled rotary piston x-ray tube A high-performance anode plate for a directly cooled rotary piston x-ray tube is formed of a high-temperature-resistant material such as tungsten, molybdenum or a combination of both materials. In the region of the focal spot path, the underside of the anode plate i... | 03/27/2007 |
| 7197115 | Cantilever and straddle x-ray tube configurations for a rotating anode with vacuum transition chambers An imaging tube assembly (11) for a computed tomography (CT) system (10) includes an insert (60) that has a vacuum chamber (72). An anode (58) resides within the vacuum chamber (72) and rotates on a shaft (66) via one... | 03/27/2007 |
| 7193219 | Intraoral image sensor An intraoral sensor includes a radiation sensitive sensor array, an event detection circuit, and a transmitter. The radiation sensitive sensor array includes a scintillator which converts x-rays into visible light radiation, and a plurality of pixels sensitive to vi... | 03/20/2007 |
| 7184518 | Method and device for the production of digital images In the method are repeated the stages of: exposing (6) a zone of a sample to the X-rays through a collimator, exposing only the parts of the sample placed between it and some secondary boards of a main board; obtaining (7) the data generated by exposur... | 02/27/2007 |
| 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 |
| 7180981 | High quantum energy efficiency X-ray tube and targets The invention relates to targets for an X-ray transmission tube (9); to a high efficiency, high excitation energy X-ray transmission tube; to combinations of the targets and high efficiency X-ray transmission tubes; and applications for utilizing such X-ray t... | 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 |
| 7180977 | Scanning-based detection of ionizing radiaion for tomosynthesis A scanning-based apparatus for obtaining tomosynthesis data of an object performing a periodic movement comprises a radiation source emitting radiation around an axis of symmetry; a radiation detector comprising line detectors, each being directed towards the diverg... | 02/20/2007 |
| 7180976 | Rotational angiography based hybrid 3-D reconstruction of coronary arterial structure A method and apparatus of generating a hybrid three dimensional reconstruction of a vascular structure affected by periodic motion is disclosed. At least two x-ray images of the vascular structure are acquired. Indicia of the phases of periodic motion are obtained a... | 02/20/2007 |
| 7173999 | X-ray microscope having an X-ray source for soft X-ray Soft X-rays are very suitable for the examination of biological samples by means of an X-ray microscope. The X-rays are generated by focusing an electron beam onto a fluid jet, thus producing a very small electron focus on the jet and hence a very small monochromati... | 02/06/2007 |
| 7174001 | Integrated fluid pump for use in an x-ray tube An integrated fluid pump for use in circulating a coolant in an x-ray tube is disclosed. The pump includes a pump body, a pump head, and a motor. The pump head defines a pump volume and further includes a fluid inlet, a fluid outlet, and an impeller positioned in th... | 02/06/2007 |
| 7170974 | X-ray device An X-ray device (1) is provided including an X-ray source (8) and a first X-ray detector (9,100) for producing a first X-ray image data set of an examination object (P). A second X-ray detector (20) is provided for producing a second X-ra... | 01/30/2007 |
| 7170973 | Apparatus and method for reducing image artifacts The invention relates to an X-ray apparatus for forming X-ray images, which apparatus includes an X-ray detector (4) for the conversion of X-rays into electrical signals, a detector exposure unit (5) for the emission of electromagnetic radiation in dep... | 01/30/2007 |
| 7170975 | Method for operating a computed tomography apparatus having a diaphragm at the radiation detector In a method for operating a computed tomography apparatus, having an x-ray source rotatable around a system axis and a radiation detector with a detector-proximate beam-gating diaphragm, and a patient support, a spiral scan of a patient on the patient support is con... | 01/30/2007 |
| 7164747 | Folded array CT baggage scanner A reduced size CT scanner for baggage inspection has a wide angle x-ray source and multiple sets of detectors at different distances from the x-ray source. The detectors in each set are sized and positioned to maintain consistent pitch and flux levels among all dete... | 01/16/2007 |
