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| Number | Title | Issue Date |
| 7019307 | Delay line anodes In detectors for imaging and other applications, delay line anodes are arrayed so as to allow detection of the location and/or timing of particle hits. The anodes are arrayed to provide an upper anode and one or more lower anodes, with particles incident on the uppe... | 03/28/2006 |
| 6546070 | Adaptable energy-resolved detection of ionizing radiation A detector for detection of ionizing radiation comprises a first cathode and a first anode between which a first voltage is applicable; an ionizable gas arranged at least partly between the first cathode and the first anode; a radiation entrance arranged ... | 04/08/2003 |
| 6414317 | Radiation detector, an apparatus for use in planar beam radiography and a method for detecting ionizing radiation A detector (64) for detection of ionizing radiation, an apparatus for use in planar beam radiography, comprising such a detector, and a method for detecting ionizing radiation. The detector comprises: a chamber filled with an ionizable gas; first and seco... | 07/02/2002 |
| 5920072 | Ionization detector An ionization detector having an upper ionization chamber, a lower ionization chamber, and a radioactive source located in the upper ionization chamber but shielded from the lower ionization chamber by a barrier. A substantially constant fluid stream of d... | 07/06/1999 |
| 5308987 | Microgap x-ray detector An x-ray detector which provides for the conversion of x-ray photons into photoelectrons and subsequent amplification of these photoelectrons through the generation of electron avalanches in a thin gas-filled region subject to a high electric potential. T... | 05/03/1994 |
| 5025162 | Method and device for determining the distribution of ଲrays emerging from a surface A method and device are disclosed for determining the distribution of the ଲ rays emerging from a surface. The device comprises an enclosure (3) filled with a gas mixture having a first preamplification chamber (6) between two grids (9 and 10), a sec... | 06/18/1991 |
| 4827135 | High speed curved position sensitive detector A high speed curved position sensitive porportional counter detector for use in x-ray diffraction, the detection of 5-20 keV photons and the like. The detector employs a planar anode assembly of a plurality of parallel metallic wires. This anode assembly ... | 05/02/1989 |
| 4766318 | Spark discharge trace element detection system A spark discharge trace element detection system is provided which includes a spark chamber including a pair of electrodes for receiving a sample of gas to be analyzed at no greater than atmospheric pressure. A voltage is provided across the electrodes fo... | 08/23/1988 |
| 4723438 | Spark spectroscopic high-pressure gas analyzer A spark spectroscopic high-pressure gas analyzer including a spark chamber, having a pair of electrodes, for receiving a sample of the pressurized gas to be analyzed. A voltage is provided across the electrodes for generating a spark in the pressurized ga... | 02/09/1988 |
| 4527064 | Imaging alpha particle detector A method and apparatus for detecting and imaging alpha particles sources is described. A conducting coated high voltage electrode (1) and a tungsten wire grid (2) constitute a diode configuration discharge generator for electrons dislodged from atoms or m... | 07/02/1985 |
| 4500786 | Large area spark chamber and support, and method of recording and analyzing the information on a radioactive work piece Novel large area spark chamber having a support for carrying a generally planar, radioactive work piece. The spark chamber has a thin window which is either a rigid plastic sheet carrying a thin layer of an electrically conductive material on the surface ... | 02/19/1985 |
| 4325001 | Inorganic spark chamber frame and method of making the same A spark chamber frame 8 is manufactured using only inorganic materials. Spark chamber frame 8 includes a plurality of beams 10, 12, 14, and 16 formed from inorganic material, such as ceramic or glass, and are connected together at ends 9 with inorganic bo... | 04/13/1982 |
| 4316089 | Method of stabilizing operation of a hybrid spark chamber A method of stabilizing operation of a hybrid spark chamber is disclosed. The method is applied to a self-triggering hybrid spark chamber of the gas-flow type including a spark chamber portion and a proportional chamber portion, and utilizes a high speed ... | 02/16/1982 |
