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First test measurements of a 64k pixel redout chip working in single photon counting mode
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media. (Electronics Design Division)
2003 (English)In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 509, no 1-3, p. 157-163Article in journal (Refereed) Published
Abstract [en]

The Medipix2 chip is a pixel detector readout chip consisting of 256×256 identical elements, each working in single photon counting mode for positive or negative input charge signals. The chip is designed and manufactured in a six-metal 0.25 μm CMOS technology. This paper describes several electrical measurements which have been carried out on the chip prior to detector bump bonding using a dedicated readout system. Threshold linearity and variation has been measured for both electron and hole collection. The noise is 100e RMS and the threshold can be adjusted to 120e RMS for both polarities. The minimum operating threshold is 1000e.

Place, publisher, year, edition, pages
2003. Vol. 509, no 1-3, p. 157-163
Keyword [en]
Photon counting, Pixel, CMOS, X-rays, Midipix
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-9376DOI: 10.1016/S0168-9002(03)01565-1ISI: 000185047700026OAI: oai:DiVA.org:miun-9376DiVA, id: diva2:227452
Available from: 2009-07-13 Created: 2009-07-13 Last updated: 2017-12-13Bibliographically approved

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Llopart Cudié, Xavier

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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Electrical Engineering, Electronic Engineering, Information Engineering

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