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Proceedings Paper

X-ray performance of 0.18 µm CMOS APS test arrays for solar observation
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Paper Abstract

Solar-C is the third generation solar observatory led by JAXA. The accepted ‘Plan-B’ payload calls for a radiation-hard solar-staring photon-counting x-ray spectrometer. CMOS APS technology offers advantages over CCDs for such an application such as increased radiation hardness and high frame rate (instrument target of 1000 fps). Looking towards the solution of a bespoke CMOS APS, this paper reports the x-ray spectroscopy performance, concentrating on charge collection efficiency and split event analysis, of two baseline e2v CMOS APSs not designed for x-ray performance, the EV76C454 and the Ocean Colour Imager (OCI) test array. The EV76C454 is an industrial 5T APS designed for machine vision, available back and front illuminated. The OCI test arrays have varying pixel design across the chips, but are 4T, back illuminated and have thin low-resistivity and thick high-resistivity variants. The OCI test arrays’ pixel variants allow understanding of how pixel design can affect x-ray performance.

Paper Details

Date Published: 25 September 2012
PDF: 9 pages
Proc. SPIE 8453, High Energy, Optical, and Infrared Detectors for Astronomy V, 84532J (25 September 2012); doi: 10.1117/12.926197
Show Author Affiliations
B. J. Dryer, e2v Ctr. for Electronic Imaging at The Open Univ. (United Kingdom)
A. D. Holland, e2v Ctr. for Electronic Imaging at The Open Univ. (United Kingdom)
P. Jerram, e2v technologies plc (United Kingdom)
Taro Sakao, Japan Aerospace Exploration Agency (Japan)


Published in SPIE Proceedings Vol. 8453:
High Energy, Optical, and Infrared Detectors for Astronomy V
Andrew D. Holland; James W. Beletic, Editor(s)

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