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Class 376/157 - Gamma or charged particle activation analysis


Subclass of Class 376 - Induced nuclear reactions: processes, systems, and elements
Definition: Subject matter wherein gamma or charged particle bombardment
No. of patents: 70
Last issue date: 10/04/2011


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NumberTitleIssue Date
8031825Non-destructive testing method and apparatus
Non-destructive testing apparatus may comprise a photon source and a source material that emits positrons in response to bombardment of the source material with photons. The source material is positionable adjacent the photon source and a specimen so that when the s...
10/04/2011
8009787Method for non-destructive testing
Non-destructive testing method may include providing a source material that emits positrons in response to bombardment of the source material with photons. The source material is exposed to photons. The source material is positioned adjacent the specimen, the specim...
08/30/2011
7940881Device and method for producing radioisotopes
The present invention is related to a device and a method for producing a radioisotope of interest from a target fluid irradiated with a beam of accelerated charged particles, the device includes in a circulation circuit (17): an irradiation cell (1) h...
05/10/2011
7852975Production of thorium-229 using helium nuclei
A method for producing 229Th includes the steps of providing 226Ra as a target material, and bombarding the target material with alpha particles, helium-3, or neutrons to form 229Th. When neutrons are used, the neutrons preferably in...
12/14/2010
7630469Method for on-line evaluation of materials using prompt gamma ray analysis
A method for evaluating a material specimen comprises: Mounting a neutron source and a detector adjacent the material specimen; bombarding the material specimen with neutrons from the neutron source to create prompt gamma rays within the material specimen, some of t...
12/08/2009
7599463Remote sensing device to detect materials of varying atomic numbers
A remote sensing device for detecting materials of varying atomic numbers and systems and methods relating thereto. A system for identifying a material includes a photon beam flux monitor for resolving a high-energy beam. A method for identifying a material includes...
10/06/2009
7583775Concentrated irradiation type radiotherapy apparatus
A concentrated irradiation type radiotherapy apparatus comprises a radiation source, a multi-channeled radiation detector, a rotating mechanism, an image reconstruction unit, a multi-leaf collimator disposed between the radiation source and the subject to trim the r...
09/01/2009
7368717Density detection using real time discrete photon counting for fast moving targets
A system for detecting and graphically displaying a contents of a fast-moving target object comprises: a radiation source, having a position such that at least a portion of radiation emitted from the radiation source passes through the fast-moving target object, the...
05/06/2008
7365332Density detection using real time discrete photon counting for fast moving targets
A system for detecting and graphically displaying a contents of a fast-moving target object comprises: a radiation source, having a position such that at least a portion of radiation emitted from the radiation source passes through the fast-moving target object, the...
04/29/2008
7337686Multi-threat detection system
A method and system for efficiently screening for dangerous threatening items are presented. The system includes an object unit designed to hold the object and a test unit including equipment for subjecting the object to a combination of two or more tests. There are...
03/04/2008
7335887System and method for target inspection using discrete photon counting and neutron detection
Described herein is system for the inspection of a target object. The system may include a gamma radiation source, a gamma detector and an image processor coupled to the gamma detector. When the inspection system is operating in a first active mode for imaging a tar...
02/26/2008
7317195Quantitative transmission/emission detector system and methods of detecting concealed radiation sources
Apparatus and methods for screening inanimate objects for detecting concealed radioactive substances. The apparatus and method use a combination of at least one gamma-emission detector and the generation of a transmission image to non-invasively evaluate the content...
01/08/2008
7304750Systems and methods for non-destructive mass sensing
The invention provides systems and methods for measuring the mass of a substance. In one method, energy is applied to a substance and a response resulting from the application of energy as measured. The mass of the substance is then determined based at least in part...
12/04/2007
7304300Infrared tag and track technique
A method of covertly tagging an object for later tracking includes providing a material capable of at least one of being applied to the object and being included in the object, which material includes deuterium; and performing at least one of applying the material t...
12/04/2007
7279073Apparatus for liquid-based fiber separation
An apparatus for treating fibrous material is disclosed. The apparatus may include a fiber separator, a de-liquefier, a dry-to-wet blender and a flash dryer. The fiber separator may be a liquid-based fiber separator. The de-liquefier is for removing liquid from the ...
10/09/2007
7238951Two-dimensional ionising particle detector
A two-dimensional ionising particle detector including a matrix of detecting fibers, each detecting fiber forming a pixel of the detector. Each detecting fiber is composed of a glass capillary filled with a liquid scintillator for which the chemical composition is c...
07/03/2007
7231011Apparatus for photon activation positron annihilation analysis
Non-destructive testing apparatus according to one embodiment of the invention comprises a photon source. The photon source produces photons having predetermined energies and directs the photons toward a specimen being tested. The photons from the photon source resu...
06/12/2007
7218706Energy 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
7141799Fiber optic thermal/fast neutron and gamma ray scintillation detector
A detector system that combines a 6Li loaded glass fiber scintillation thermal neutron detector with a fast scintillation detector in a single layered structure. Detection of thermal and fast neutrons and ionizing electromagnetic radiation is achieved in ...
11/28/2006
7058153Method for photon activation positron annihilation analysis
A non-destructive testing method comprises providing a specimen having at least one positron emitter therein; determining a threshold energy for activating the positron emitter; and determining whether a half-life of the positron emitter is less than a selected half...
06/06/2006
7025936Method and apparatus for preparing a sample for analysis of precious metal content
This invention relates to a method for assaying an ore sample to determine the concentration of gold and PGMs therein. The method comprises the steps of separating an ore sample, combining the prepared ore sample with a lead-containing flux, inductively heating the ...
04/11/2006
7027555Mineral matter analyzer apparatus and method
A material analyzer for identifying quantities of one or more elements in a material has a container for holding a material to be analyzed, a resonant gamma ray source unit for directing resonant gamma rays into the material in the container, and at least one detect...
04/11/2006
7023956Detection methods and system using sequenced technologies
Methods and systems for interconnecting sub-systems and for identifying combinations of multiple technologies. The method of this invention can be applied to detecting the presence of a characteristic in an object. ...
04/04/2006
6954515Radiation sources and radiation scanning systems with improved uniformity of radiation intensity
A radiation source is disclosed comprising a source of charged particles that travel along a path. Target material lies along the path to generate radiation upon impact by the beam. A magnet is provided to deflect the beam prior to impacting the target. The magnet m...
10/11/2005
6950495Backscatter imaging using Hadamard transform masking
Backscatter imaging using Hadamard transform masking includes an area x-ray source with alternating, masked, Hadamard transform patterns. The total backscatter signal from a target for each pair of corresponding masks is recorded. The difference in signal strengths ...
09/27/2005
6946659Apparatus for forming radiation source distribution image
A radiation source distribution image of an examinee is formed by driving X direction movement motors to move a radiation information-detecting unit in the X direction, and detecting radiation from the examinee on a stretcher placed between guide rails by using a co...
09/20/2005
6928131Method for detecting an explosive in an object under investigation
A method for detecting an explosive in an object under investigation involves the initial X-ray irradiation of the object under investigation, e.g. a piece of luggage or mailing, and forming its X-ray images; using the X-ray images to detect areas with a high densit...
08/09/2005
6907106Method and apparatus for producing radioactive materials for medical treatment using x-rays produced by an electron accelerator
An apparatus and method for irradiating target objects, especially medical stents for in vivo implantation. A linear accelerator provides a high energy electron beam that impinges upon and is received by an x-ray conversion target. The x-ray conversion target is act...
06/14/2005
6724852Fissile interrogation using gamma rays from oxygen
The subject apparatus provides a means to identify the presence of fissionable material or other nuclear material contained within an item to be tested. The system employs a portable accelerator to accelerate and direct protons to a fluorine-compound target. The int...
04/20/2004
6680993Method of producing Actinium-225 and daughters
A method of producing an isotope comprising directing electrons at a converting material coated with a coating material, the coating material having an atomic number of n, whereby interaction of the electrons with the converting material produces photons,...
01/20/2004
6452992Method and device for measuring the relative proportions of plutonium and uranium in a body
The invention relates a device for measuring the relative proportions of uranium and plutonium in a radioactive package (16), having: a source of photons (10) for irradiating the package, at least one delayed neutron detector (18) able to deliver counting signals ...
09/17/2002
6393085Analysis system for non-destructive identification of explosives and chemical warfare agents
The invention relates to an analyzer for the identification of explosives and/or chemical warfare agents, with a neutron source which causes the emission of characteristic γ quanta, whereby the analysis system consists of a mobile frame to which a neutro...
05/21/2002
6215851High current proton beam target
In accordance with the present invention, there is provided a proton beam target for generating gamma rays which are generated therefrom in response to an impinging proton beam. The proton beam target is provided with a 13 C gamma reaction laye...
04/10/2001
6205195Coded aperture imaging
This invention provides coded aperture imaging apparatus and methods for the detection and imaging of radiation which results from nuclear interrogation of a target object. The apparatus includes: 1) a radiation detector for detecting at least a portion o...
03/20/2001
6002734Method and systems for gold assay in large ore samples
A technique for assaying samples entails irradiating a sample with a beam of gamma rays of sufficient energy to excite the nuclei of the assay elements into their isomeric states, ceasing the irradiation, detecting the gamma rays resulting from the decay ...
12/14/1999
5896429Method for measurement of blast furnace liner thickness
A method and apparatus is disclosed for inspecting a wall to evaluate the remaining thickness of the wall as well as the extent to which the wall has been infiltrated by another material. The disclosure discusses directing photons of radiation and/or neut...
04/20/1999
5872824Method for studying a sample of material using a heavy ion induced mass spectrometer source
A heavy ion generator is used with a plasma desorption mass spectrometer to provide an appropriate neutron flux in the direction of a fissionable material in order to desorb and ionize large molecules from the material for mass analysis. The heavy ion gen...
02/16/1999
5648268Radionuclide exchange detection of ultra trace ionic impurities in water
The present invention is directed to an analytic method for detecting trace elements in fluid solution. A cation exchange resin is packed with a radiolabelled exchange material having certain characteristics and replaces the trace element ions in the flui...
07/15/1997
5631526Hydrogen ion accelerator
A hydrogen ion accelerator produces a beam current that is at least ten times greater than the current supplied by an electrostatic generator by recycling the unreacted portion of the beam. In one application, a 1.76 MeV proton beam is used to generate 9....
05/20/1997
5453413Phototransformation of fullerenes
Compounds consisting of two or more fullerenes (e.g., a C60 dimer) and a film or powder which includes covalently linked fullerene molecules. Also disclosed is a fullerene film or powder with gas molecules or atoms uniformly disposed therein, a...
09/26/1995
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