Pixel array detector for time-resolved x-ray scattering

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Description

This paper describes the development of a large-area hybrid pixel detector designed for time-resolved synchrotron x-ray scattering experiments where limited frames, with a high framing rate, is required. The final design parameters call for a 1024{times}1O24 pixel array device with 150-micron pixels that is 100% quantum efficient for x-rays with energy up to 20 keV, with a framing rate in the microsecond range. The device will consist of a fully depleted diode array bump bonded to a CMOS electronic storage capacitor array with eight frames per pixel. The two devices may be separated by a x-ray blocking layer that protects ... continued below

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5 p.

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Rodricks, B. G.; Barna, S. L.; Gruner, S. M.; Shepherd, J. A.; Tate, M. W. & Wixted, R. L. January 1996.

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Description

This paper describes the development of a large-area hybrid pixel detector designed for time-resolved synchrotron x-ray scattering experiments where limited frames, with a high framing rate, is required. The final design parameters call for a 1024{times}1O24 pixel array device with 150-micron pixels that is 100% quantum efficient for x-rays with energy up to 20 keV, with a framing rate in the microsecond range. The device will consist of a fully depleted diode array bump bonded to a CMOS electronic storage capacitor array with eight frames per pixel. The two devices may be separated by a x-ray blocking layer that protects the radiation-sensitive electronics layer from damage. The signal is integrated in the electronics layer and stored in one of eight CMOS capacitors. After eight frames are taken, the data are then read out, using clocking electronics external to the detector, and stored in a RAM disk. Results will be presented on the development of a prototype 4{times}4 pixel electronics layer that is capable of storing at least 10,000 12-keV x-ray photons for a capacity of over 50 million electrons with a noise corresponding to 2 x-ray photons per pixel. The diode detective layer, electronics storage layer along with the radiation damage and blocking layers will be discussed.

Physical Description

5 p.

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OSTI as DE96007229

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  • SRI `95: synchrotron radiation instrumentation symposium and the 7. users meeting for the advanced photon source (APS), Argonne, IL (United States), 16-20 Oct 1995

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  • Other: DE96007229
  • Report No.: ANL/XFD/CP--89024
  • Report No.: CONF-9510119--13
  • Grant Number: FG02-87ER60522;W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 200668
  • Archival Resource Key: ark:/67531/metadc668758

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  • January 1996

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  • June 29, 2015, 9:42 p.m.

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  • April 18, 2016, 1:31 p.m.

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Rodricks, B. G.; Barna, S. L.; Gruner, S. M.; Shepherd, J. A.; Tate, M. W. & Wixted, R. L. Pixel array detector for time-resolved x-ray scattering, article, January 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc668758/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.