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Proceedings Paper

Pixel electronics for a hybrid x/gamma-ray imager
Author(s): C. P. Lambropoulos; E. G. Zervakis; A. Nikologiannis; G. Theodoratos; D. S. Hatzistratis; I. Papadakis; A. Papadimitriou; D. Loukas
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Paper Abstract

The Photon 4-dimensional Digital Information (P4DI) ASIC is a new generation of 2D imaging chips to be connected to a pixel sensor using the bump and flip chip technologies. It gives in digital format energy, time and position information for each recorded event. In pixel digitization and storage of the time and amplitude signal are performed. Circuit solutions for gain and offset variation compensation have been implemented. The ASIC works in sparse data scan mode. An 8x8 pixels prototype has been manufactured in UMC 0.18um CMOS technology and evaluated

Paper Details

Date Published: 27 August 2010
PDF: 10 pages
Proc. SPIE 7805, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XII, 78050W (27 August 2010); doi: 10.1117/12.862712
Show Author Affiliations
C. P. Lambropoulos, Technological Educational Institute of Chalkida (Greece)
E. G. Zervakis, Technological Educational Institute of Chalkida (Greece)
A. Nikologiannis, Technological Educational Institute of Chalkida (Greece)
G. Theodoratos, Technological Educational Institute of Chalkida (Greece)
D. S. Hatzistratis, Technological Educational Institute of Chalkida (Greece)
I. Papadakis, National Ctr. for Scientific Research Demokritos (Greece)
A. Papadimitriou, National Ctr. for Scientific Research Demokritos (Greece)
D. Loukas, National Ctr. for Scientific Research Demokritos (Greece)


Published in SPIE Proceedings Vol. 7805:
Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XII
Arnold Burger; Larry A. Franks; Ralph B. James, Editor(s)

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