Patent application number | Description | Published |
20080205586 | RADIATION DETECTOR AND X-RAY CT APPARATUS - A radiation detector includes a detector block, cables, connectors, and circuit substrates. The detector block has a plurality of radiation detector modules arranged in a slice direction. The cables extend in the slice direction and configured to receive signals from the radiation detector modules of the detector block. The connectors are associated with the cables, respectively, and are spaced, one from another, in the slice direction. The circuit substrates are configured to receive signals via the connectors from the radiation detector modules of the detector block. | 08-28-2008 |
20110255658 | X-RAY CT APPARATUS AND X-RAY DETECTOR - An X-ray detector of an X-ray CT apparatus has a plurality of collimators, a plurality of scintillators, a plurality of photodiodes and a light guide. The plurality of collimators collimate an X-ray. The plurality of scintillators respectively emit fluorescence based on the X-ray from the plurality of collimators. The plurality of photodiodes respectively convert the fluorescence from the plurality of scintillators into the electric signal. The light guide has such a shape as to guide the fluorescence emitted from the plurality of scintillators respectively to the plurality of photodiodes while focusing the fluorescence toward the plurality of photodiodes. | 10-20-2011 |
20120033784 | X-RAY DETECTOR AND X-RAY COMPUTER TOMOGRAPHY SCANNER - According to one embodiment, an X-ray detector includes a plurality of detection packs and a plurality of heaters. Each of the detection packs includes a plurality of detection elements that detect X rays having passed through a subject and output a detection signal corresponding to the X rays and is arranged along a predetermined direction. Each of the heaters is provided corresponding to each of the detection packs and individually controls the temperature of each of the detection packs. | 02-09-2012 |
20120069954 | X-RAY COMPUTED TOMOGRAPHY APPARATUS, RADIATION DETECTOR, AND METHOD OF MANUFACTURING RADIATION DETECTOR - An X-ray CT apparatus according to an embodiment includes an X-ray detector and a collimator unit. The X-ray detector detects X-rays that have passed through a subject. The collimator unit eliminates scattered radiation from X-rays that are incident on the X-ray detector. The collimator unit includes a plurality of collimator modules, a supporter, and a fixing unit. The plurality of collimator modules each includes a plurality of first collimator plates arranged in a grid along a channel direction and a slice direction that are orthogonal to each other. The supporter supports the collimator modules such that the collimator modules are aligned in a plurality of straight lines along the channel direction and in a plurality of straight lines along the slice direction. The fixing unit is provided to the supporter and fixes positions of the collimator modules in the channel direction and the slice direction. | 03-22-2012 |
20120307963 | COLLIMATOR AND X-RAY COMPUTED TOMOGRAPHY APPARATUS - According to one embodiment, a collimator includes a collimator frame having a shape corresponding to part of a circular ring, a plurality of first partition plates which are supported on the collimator frame, are radially arrayed along a circumferential direction of the circular ring, and have shielding properties with respect to radiation, a plurality of first guide grooves radially provided in a surface of each of the first partition plates, and a plurality of second partition plates which are supported in the plurality of first guide grooves, are radially arrayed respectively in gaps between the first partition plates, and have shielding properties with respect to the radiation. | 12-06-2012 |
20130010921 | X-RAY COMPUTED TOMOGRAPHY APPARATUS AND RADIATION DETECTOR - According to one embodiment, an X-ray computed tomography apparatus includes an X-ray tube, a detector, a first DAS, and a second DAS. The radiation detector includes a plurality of detection elements. Each detection element repeatedly detects X-rays generated by the X-ray tube and transmitted through a subject and repeatedly generates an electrical signal corresponding to the energy of the repeatedly detected X-rays. The first DAS acquires the electrical signal detected by part of the imaging region of each detection element in the integral mode. The second DAS acquires the electrical signal detected by the other part of the imaging region of each detection element in the photon count type mode. | 01-10-2013 |
20140233690 | X-RAY DETECTION SUBMODULE, X-RAY DETECTION MODULE, AND X-RAY CT APPARATUS - An X-ray detection submodule, comprising: a substrate; a photodiode mounted on the substrate; an X-ray detection element configured to detect an X-ray and convert the X-ray into light; and a light waveguide provided between the photodiode and the X-ray detection element, wherein the light waveguide connects the X-ray detection element with the photodiode such that the substrate is inclinedly disposed with respect to an X-ray detection surface of the X-ray detection element. | 08-21-2014 |