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| Number | Title | Issue Date |
| 8158958 | Flare evaluation methods A flare evaluation method includes: extracting DC flare reference data using a preliminary measurement pattern mask and a dummy mask having an open region in which a preliminary measurement pattern is formed; providing a plurality of flare gauge sets including an op... | 04/17/2012 |
| 8044371 | Surface acoustic wave device and method for signal amplification of surface acoustic wave element A surface acoustic wave (“SAW”) device including a SAW element, a first material, a luminescence material and a light source, and a method for signal amplification of a SAW element. The first material may be positioned on the SAW element and bound to a target ma... | 10/25/2011 |
| 7943911 | Method of luminescent solid state dosimetry of mixed radiations A method of determining the doses of neutrons, gamma and X-ray photons, beta, alpha and other ionizing radiations using a method of image processing in spatial and frequency domain that produces parameters that are related to the radiation dose absorbed in a lumines... | 05/17/2011 |
| 7884339 | Color indicator dosimeter for measurement of ionizing radiation The present invention provides a color indicator dosimeter system to detect and quantify a dosage of ionizing radiation in a wide range wherein said system comprises phenolic glycoside as one of the components. The present invention also relates to a method for usin... | 02/08/2011 |
| 7795599 | Radioactivity monitoring apparatus and method Apparatus (1) for detecting and/or measuring radioactivity comprising sensor means (5, 6), radiation detector means (4) and signal processing means (10, 11), the sensor means being adapted to provide a measure of one or more characteristi... | 09/14/2010 |
| 7791045 | Apparatus and method for detecting slow neutrons by lyman alpha radiation A method and apparatus for detecting slow neutrons by monitoring Lyman alpha radiation produced by the 3He(n,tp) nuclear reaction induced by neutrons incident on a gas cell containing 3He or a mixture of 3He and other atoms and/or mo... | 09/07/2010 |
| 7405412 | Method for calibrating a radiation detection medium A method for calibrating a radiation detection medium by exposing arbitrary locations of a radiation detection medium to a plurality of known radiation dose levels is described. One particular aspect of the method includes the steps of automatically determining the ... | 07/29/2008 |
| 7361907 | Method for direct dosimetry of radioactive nuclei in different types of samples using solid-state detectors of nuclear traces The invention concerns a novel method adapted to experimental conditions, for determining the function defining the actual detecting sensitivity of a solid-state detector of nuclear traces and which represents the detecting performances for each type of nucleus emit... | 04/22/2008 |
| 7176462 | Semiconductor device, and control method and device for driving unit component of semiconductor device A solid-state imaging device, such as a CMOS sensor, includes a unit pixel having a charge generation unit for generating signal charge, a floating diffusion for accumulating the signal charge generated by the charge generation unit, a transfer gate transistor for t... | 02/13/2007 |
| 7098463 | Three-dimensional dosimeter for penetrating radiation and method of use This invention relates to a method of forming a three-dimensional (3D) dosimetric map in a solid translucent or transparent polymer and to an article of manufacture comprising a polymer formulated to capture data imparted by incident penetrating radiation. The prese... | 08/29/2006 |
| 7041987 | Inspection of common materials for radiation exposure by Atomic and/or Magnetic Force Microscopy A method of detecting a defect on a surface of a material due to exposure of the material to incident ionizing radiation, the method comprising the step of: inspecting a solid material having an atomically flat surface by at least ... | 05/09/2006 |
| 6875990 | Radiation image storage panel A radiation image storage panel composed of a substrate and a phosphor film of a stimulable phosphor which is composed of a mother component and an activator element and is formed by vapor deposition, is preferred to have a relationship of a molar ratio of activator... | 04/05/2005 |
| 6744055 | Miniature personal and area radon and thoron monitor A Rn222 (radon) and Rn220 (thoron) radiation monitor that uses alpha-track detection film in multiple, separate chambers to detect radiation, wherein different diffusion barriers are used in each of the chambers to allow for signal differentiation between the chambe... | 06/01/2004 |
| 6586751 | Light source power tester A device for testing the light power output of an optical system comprises a thermochromic element, a body element optionally providing collimation or other means of reproducible positioning, and optionally filters and attenuation. A preferred device fits... | 07/01/2003 |
| 6559455 | Multiple ultraviolet sensitive patches on a single strip and a process for manufacturing thereof The present invention is an article of manufacture for use in alerting a person of exposure to an excessive amount of ultraviolet radiation. In one embodiment, the article of manufacture comprises a first strip comprising a backing member and first and se... | 05/06/2003 |
| 6551493 | Ultraviolet light measuring chip and ultraviolet light sensor using the same An ultraviolet light measuring chip and a sensor are provided simple in structure, easy to handle and of high precise measurement. The chip comprises a first reaction chamber for detection of total received light and a second reaction chamber for detectio... | 04/22/2003 |
| 6528803 | Automated calibration adjustment for film dosimetry The present invention provides a method of correcting errors in film dosimetry measurements arising from variations in radiographic film processing and manufacturing. The method includes: (1) irradiating separate and distinct areas of one or more calibrat... | 03/04/2003 |
| 6485872 | Method and apparatus for measuring the composition and other properties of thin films utilizing infrared radiation The composition, free carrier concentrations, and other properties of thin films and graded layers embedded in film stack structures are measured by the method of the invention, which is based upon the application of two novel algorithms to extract the co... | 11/26/2002 |
| 6465791 | Integrating ultraviolet exposure detection devices Diyne monomers are used as photochromic agents in devices or formulations. The devices and formulations may be applied to body parts for semi-pemanent attachment at various sites to allow for detection of levels of ultraviolet radiation. Clear films may b... | 10/15/2002 |
| 6459747 | Method for the quantitative determination of the fissile material content in small size particles A method is provided for the quantitative determination of fissile material content in small size particles present in samples. The samples are sandwiched in organic sheets and then submitted to a defined thermal neutron fluence whereupon fission products... | 10/01/2002 |
| 6437346 | Solar blind-UVC photochromic detector and method for calibration The present invention relates to an ultraviolet radiation detector in general and more specifically to a solar blind ultraviolet radiation detector; that is, a detector insensitive to the radiation of sunlight reaching the earth's surface but sensitive to... | 08/20/2002 |
| 6433270 | Photoinduced molecular switches ORGANOMETALLIC COORDINATION complexes exhibiting two separate, stable forms are described. Conversion from one form to the other is intramolecular, reversible, light-activated (a molecular switch) and occurs both in the solid and in solution. The two form... | 08/13/2002 |
| 6359285 | Stimulable phosphor sheet A stimulable phosphor sheet for a radiation image recording and reproducing method comprising the steps of recording a radiation image as a latent image, irradiating the latent image with stimulating rays to release stimulated emission, and electrically p... | 03/19/2002 |
| 6268602 | Method for manufacturing calibrated radiation dosimeter In a method for manufacturing a calibrated radiation dosimeter, a layer of radiation sensitive material is applied to a substrate, the radiation sensitive material having an optical density which varies in accordance with a degree of radiation exposure. A... | 07/31/2001 |
| 6232610 | Dosimetry apparatus and method A dosimeter analysis system provides the capability to easily handle the radiochromic pieces of film which are commonly employed as dosimeters and make an accurate analysis of the amount of radiation received in an irradiation process. The dosimeter is co... | 05/15/2001 |
| 6228286 | Class of high energy detecting phosphors An elpasolite phosphor is provided corresponding to the general formula: A2-y B1+y Me3+ X6 :xD wherein: A=a monovalent ion B=a monovalent ion A is different from B Me3+ =a trivalent ion D is a dopant X is at least o... | 05/08/2001 |
| 6218673 | Optical scanning tomography for three-dimensional dosimetry and imaging of energy fields An optical scanner gives three dimensional dosimetric data by scanning, with at least one light beam, a translucent medium exhibiting optical properties which change upon receipt of radiant energy representing a dose distribution of the energy. At least o... | 04/17/2001 |
| 6119071 | Edge effect compensating bar code reader Apparatus and method for reading a luminescent bar code on a background surface whose reflectance may vary over the coded area, including a light source for providing light to scan, and to excite luminescence in the bar code or to reflect from the backgro... | 09/12/2000 |
| 6054256 | Method and apparatus for indicating ultraviolet light exposure Applications of photoerasable colorant composition include photoerasable price markings for pricing goods, documents such as gaming tickets for securely communicating concealed information, photoerasable paint for temporary markings on terrain and structu... | 04/25/2000 |
| 5876809 | Marking for painted objects and method of applying the marking This invention relates to a marking for painted objects, preferably motor vehicles, as well as to a method for producing the marking. For this purpose, a paint coat, preferably having several paint layers, is applied to the object and the spectral course ... | 03/02/1999 |
| 5777341 | Method for manufacturing calibrated radiation dosimeter In a method for manufacturing a calibrated radiation dosimeter, a layer of radiation sensitive material is applied to a substrate, the radiation sensitive material having an optical density which varies in accordance with a degree of radiation exposure. A... | 07/07/1998 |
| 5703371 | Modified notched energy filter neutron radiography camera for non-destructive determination of hydrogen content of irradiated BWR fuel elements A neutron radiography camera operates in cooperation with a neutron beam source for determining hydrogen content of irradiated BWR fuel elements. The camera implements the method using a notched neutron spectrum filter to determine the hydrogen content. T... | 12/30/1997 |
| 5637876 | Radiation dosimetry method and apparatus A method for determining a level of exposure to radiation utilizes a radiation dosimeter comprising a substrate provided with a radiation sensitive layer or patch having an optical density which varies in accordance with the degree of radiation exposure. ... | 06/10/1997 |
| 5588084 | Scintillating optical fibers containing non-uniformly distributed dopants and process for preparing same Scintillating fibers are provided comprising an outer layer, an inner layer, a fiber center and an interface between the inner and outer layers. The distance between the fiber center and any point of the interface in a fiber cross section defines a radius... | 12/24/1996 |
| 5574287 | Response excursion reduction method for radiant flux sensors A non-zero feedback radiant flux reduces a radiant flux sensor's primary response excursion by keeping the total radiant flux on the sensor virtually constant. An increase in signal radiant flux is countered by a virtually equal decrease in feedback radia... | 11/12/1996 |
| 5498876 | Neutron spectrometer, real-time dosimeter and methodology using three-dimensional optical memory A dosimetry method, dosimeter and system characterized by the steps of storing information in a three dimensional optical memory element, then exposing the optical memory element to neutron or other high LET radiation to alter the information stored in th... | 03/12/1996 |
| 5319210 | Neutron dosimetry using three-dimensional optical memory A dosimetry method, dosimeter and system characterized by the steps of storing information in a three dimensional optical memory element, then exposing the optical memory element to neutron or other high LET radiation to alter the information stored in th... | 06/07/1994 |
| 5179285 | Automatically processed alpha-track radon monitor An automatically processed alpha-track radon monitor is provided which includes a housing having an aperture allowing radon entry, and a filter that excludes the entry of radon daughters into the housing. A flexible track registration material is located ... | 01/12/1993 |
| 5105088 | Constant sensitivity superheated droplet radiation detector/dosimeter Radiation detectors and dosimeters having superheated droplets of detector liquid as the radiation-sensitive component have been found to have significant variation in sensitivity with changes in operating temperature. In order to provide a more constant ... | 04/14/1992 |
| 5099132 | Dosimeter A dosimeter comprising a support having provided thereon a radiation-sensitive layer which comprises (a) a polymer containing halogen atoms or a polymer containing acetic acid groups and (b) a pH-sensitive indicator dye. The dosimeter provides an easy det... | 03/24/1992 |
