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Large-area solid state detector for radiology using amorphous selenium

机译:使用非晶态硒的放射学大面积固态探测器

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Abstract: A large area self-scanned solid-state detector is being developed for digital radiology. It consists of an x-ray sensitive flat- panel employing amorphous selenium ($alpha$/-Se) as the x-ray transducer and active matrix integrated circuit for readout. In principle such detectors could be used for all the currently applied radiological modalities - radiography, photofluorography, and fluoroscopy. Layers of $alpha$/-Se up to 500 $mu@m thick are readout with an array of thin film field effect transistors. The whole structure is integrated onto a glass plate. For all practical purposes the resolution of the system is dictated by the pixel size and readout could be in real-time (i.e., 30 frames/sec). !23
机译:摘要:正在开发用于数字放射学的大面积自扫描固态探测器。它由一个使用非晶硒($ alpha $ /-Se)作为x射线换能器的x射线敏感平板和用于读出的有源矩阵集成电路组成。原则上,这样的检测器可以用于所有当前应用的放射模态-射线照相术,光荧光照相术和荧光检查法。用一系列薄膜场效应晶体管读出厚达500μm的$ / Se层。整个结构集成在玻璃板上。对于所有实际目的,系统的分辨率由像素大小决定,并且读出可以是实时的(即30帧/秒)。 !23

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