Patent application number | Description | Published |
20090278052 | RADIATION DETECTOR DEVICE HAVING AN ELECTRICALLY CONDUCTIVE OPTICAL INTERFACE - A radiation detector device is disclosed and includes a scintillation device having a scintillator crystal. The radiation detector device also includes a photosensor. Further, the radiation detector device includes an optical interface coupled between the scintillation device and the photosensor. The optical interface is electrically conductive. | 11-12-2009 |
20090302224 | Charge Calibrator and System Incorporating the Same - A charge calibrator for simulating the output of a scintillation detector. The calibrator includes a processor for executing a Gaussian random number generator algorithm to produce an output comprising a Gaussian random number distribution having at least one characteristic established in response to a user input. | 12-10-2009 |
20100276601 | Scintillator Operation and Control - A method and system for reducing scintillator afterglow. Methods for reducing afterglow include conditioning a scintillator by exposing it to high flux densities of ionizing radiation. One technique includes operating an x-ray tube at elevated amperage. | 11-04-2010 |
20110001054 | RADIATION DETECTOR DEVICE HAVING AN ELECTRICALLY CONDUCTIVE OPTICAL INTERFACE - A radiation detector device is disclosed and includes a scintillation device having a scintillator crystal. The radiation detector device also includes a photosensor. Further, the radiation detector device includes an optical interface coupled between the scintillation device and the photosensor. The optical interface is electrically conductive. | 01-06-2011 |
20110114848 | SYSTEM AND METHOD FOR IONIZING RADIATION DETECTION - An ionizing radiation detection system can include a self-quenching sensing element having a substantially sealed enclosure containing a plurality of gases. The plurality of gases can include an ionizing gas to ionize in response to receiving a particle of ionizing radiation. The plurality of gases can also include a halogen quenching gas. In a particular embodiment, the plurality of gases can include an oxygen-containing gas in an amount of at least approximately 5% by pressure of a total pressure of the plurality of gases. In another particular embodiment, the partial pressure of the oxygen-containing gas can be from approximately 2666 Pa to approximately 16000 Pa. In another embodiment, the radiation detection system can include an anode having a composition that is more resistant to erosion by gasses within the sensing element. | 05-19-2011 |
20110121187 | SCINTILLATION ARTICLE - According to one embodiment, a scintillation article includes a detector housing having a window cavity and a window disposed within the window cavity. The window cavity defining a window opening at an external surface of the housing that has a greater width than a width of the window, and wherein a surface of the window is directly bonded to an interior surface of the detector housing at a bond joint comprising a diffusion bond region. | 05-26-2011 |
20110155909 | RADIATION DETECTION SYSTEM AND METHOD OF INDICATING PRESENCE OF RADIATION - A radiation detection system can include a radiation detector to detect radiation and an audio output device to produce audible sounds. The detected radiation can correspond to radiation information including energy information and energy intensity information. In an embodiment, the audio output device can produce an audio spectrum in a scanning mode, and in another embodiment, the audio output device can produce sounds at corresponding sound repetition rates depending on the energy intensity of the detected radiation. A method of using a radiation detection system can include placing an object near a radiation detector, generating a radiation signal corresponding to radiation emitting from the object, and analyzing the radiation signal to generate radiation information including energy information and energy intensity information. The method can also include filtering the radiation information to produce filtered radiation information, and outputting sounds corresponding to the filtered radiation information. | 06-30-2011 |
20110240866 | SCINTILLATOR OPERATION AND CONTROL - A method and system for reducing scintillator afterglow. Methods for reducing afterglow include conditioning a scintillator by exposing it to high flux densities of ionizing radiation. One technique includes operating an x-ray tube at elevated amperage. | 10-06-2011 |
20120132815 | RADIATION DETECTION SYSTEM, A RADIATION SENSING UNIT, AND METHODS OF USING THE SAME - A radiation sensing unit for a radiation detection system can include a scintillator and a photosensor optically coupled to the scintillator. In an embodiment, the radiation detection system may provide an output signal to a particular radiation flux that is substantially temperature independent over a normal operating temperature range for the scintillator. The radiation sensing unit may further include a controllable radiation source configured to emit radiation and another photosensor coupled to controllable radiation source. A radiation detection system can include a radiation sensing unit and a control module that is coupled to the controllable radiation source and the photosensors. The control module may control the controllable radiation source and control a power supply coupled to the second photosensor in response to signals from the photosensors. In another aspect, a dynode tap from a photomultiplier tube can be used during calibration. Methods of using the foregoing are disclosed. | 05-31-2012 |
20120168631 | SCINTILLATOR OPERATION AND CONTROL - A method and system for reducing scintillator afterglow. Methods for reducing afterglow include conditioning a scintillator by exposing it to high flux densities of ionizing radiation. One technique includes operating an x-ray tube at elevated amperage. | 07-05-2012 |
20120292519 | OPTICAL FIBER HAVING A COATING, A RADIATION SENSOR AND A RADIATION DETECTION APPARATUS INCLUDING THE OPTICAL FIBER AND A METHOD OF MAKING USING THE SAME - A radiation detection apparatus can include a radiation sensor having a corresponding radiation sensing region, and a photosensor that is optically couple to the radiation sensor. The radiation sensing region can include optical fibers. In an embodiment, some or all of the optical fibers can be coated. The coating can include a phosphorescent material. In an embodiment, the optical fibers can be arranged in a manner such that optical substrates have substantially no bends. | 11-22-2012 |
20130161518 | IMAGE STORAGE DEVICE INCLUDING STORAGE PHOSPHOR POWDER, METHOD OF FORMING IMAGE STORAGE DEVICE, AND COMPUTED RADIOGRAPHY APPARATUS - An image storage device includes a substrate including a plurality of voids and a septum disposed between the voids, and cells including a storage phosphor powder within the voids. In an embodiment, a computed radiography apparatus includes an image storage device, a stimulating radiation device to generate stimulating radiation, and a photosensor to detect light. In another embodiment, a method of forming an image storage device includes providing a patterned substrate that includes a plurality of voids and a septum disposed between the voids, adding a storage phosphor powder into the voids of the patterned substrate to form cells, and applying a topcoat layer that is substantially free of the storage phosphor powder. | 06-27-2013 |
20130234031 | RADIATION DETECTION APPARATUS AND METHOD OF USING SAME - A radiation detection apparatus can include a semi-cylindrical radiation sensor having a corresponding radiation sensing region, and a photosensor that is optically coupled to the radiation sensor. | 09-12-2013 |
20140091226 | PHOTOSENSOR TESTING APPARATUS, A RADIATION DETECTION APPARATUS INCLUDING A PHOTOSENSOR AND A METHOD OF SELECTING THE PHOTOSENSOR FOR THE RADIATION DETECTION APPARATUS - A photosensor testing apparatus can be used to test photosensors. A light module can produce simulating light that corresponds to scintillating light of a scintillator or a derivative of the scintillating light. A photosensor under test can produce an output that can be analyzed. A particular photosensor can be determined to have a higher quantum efficiency, a higher signal-to-noise ratio, or another performance criterion and selected for use in a radiation detection apparatus having the scintillator that can produce the scintillating light. The photosensor testing apparatus can provide a more accurate way of selecting a photosensor as compared to only analyzing an emission spectrum and data sheets and other information for the photosensors under consideration. | 04-03-2014 |
20140183372 | SYSTEM AND METHOD FOR IONIZING RADIATION DETECTION - An ionizing radiation detection system can include a self-quenching sensing element having a substantially sealed enclosure containing a plurality of gases. The plurality of gases can include an ionizing gas to ionize in response to receiving a particle of ionizing radiation. The plurality of gases can also include a halogen quenching gas. In a particular embodiment, the plurality of gases can include an oxygen-containing gas in an amount of at least approximately 5% by pressure of a total pressure of the plurality of gases. In another particular embodiment, the partial pressure of the oxygen-containing gas can be from approximately 2666 Pa to approximately 16000 Pa. In another embodiment, the radiation detection system can include an anode having a composition that is more resistant to erosion by gasses within the sensing element. | 07-03-2014 |