A Medium-Format, Mixed-Mode Pixel Array Detector for Kilohertz X-ray Imaging

An x-ray pixel array detector (PAD) capable of framing up to 1 kHz is described. This hybrid detector is constructed from a 3-side buttable, 128×128 pixel module based upon the mixed-mode pixel array detector (MMPAD) chip developed jointly by Cornell and Area Detector Systems Corporation (Poway, CA)...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 425; no. 6; pp. 1 - 4
Main Authors Tate, M W, Chamberlain, D, Green, K S, Philipp, H T, Purohit, P, Strohman, C, Gruner, S M
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.01.2013
Subjects
Arrays
Charge
Chips
Circuits
Detectors
Dynamical systems
Modules
Physics
Pixels
Sensors
X ray imagery
X-rays
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Summary:An x-ray pixel array detector (PAD) capable of framing up to 1 kHz is described. This hybrid detector is constructed from a 3-side buttable, 128×128 pixel module based upon the mixed-mode pixel array detector (MMPAD) chip developed jointly by Cornell and Area Detector Systems Corporation (Poway, CA). The chip uses a charge integrating front end for a high instantaneous count rate yet with single photon sensitivity. In-pixel circuitry utilizing a digital overflow counter extends the per frame dynamic range to >4×107 x-rays/pixel. Results are shown from a base configuration of a 2×3 module array (256×384 pixels).
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ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/425/6/062004