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Proceedings Paper

1500-element linear MWIR and LWIR HgCdTe arrays for high-resolution imaging
Author(s): Jean-Paul Chamonal; Eric Mottin; Patrick Audebert; Philippe Medina; Michel Ravetto; Joel Deschamps; Michel Girard; Jean-Pierre Chatard
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Paper Abstract

High resolution infrared imaging system calls for very long scanning arrays with several thousands of detectors and high performance. This paper presents the recent technological developments and the electro-optical performances obtained at LETI/LIR (infrared laboratory) on 1500 detector linear HgCdTe arrays working in the 3 - 5 and 8 - 10 micrometer spectral ranges. These very large arrays (length approximately equals 50 mm) have an indirect hybrid architecture composed of butted HgCdTe PV detection circuits and Si CMOS readouts hybridized on a mechanically close-matched fanout substrate. Defect free dicing and butting, respecting the detector pitch, is made by accurate and non damaging techniques.

Paper Details

Date Published: 31 December 1997
PDF: 11 pages
Proc. SPIE 3221, Sensors, Systems, and Next-Generation Satellites, (31 December 1997); doi: 10.1117/12.298106
Show Author Affiliations
Jean-Paul Chamonal, LETI/CEA (France)
Eric Mottin, LETI/CEA (France)
Patrick Audebert, LETI/CEA (France)
Philippe Medina, LETI/CEA (France)
Michel Ravetto, LETI/CEA (France)
Joel Deschamps, ONERA (France)
Michel Girard, ONERA (France)
Jean-Pierre Chatard, SOFRADIR (France)


Published in SPIE Proceedings Vol. 3221:
Sensors, Systems, and Next-Generation Satellites
Hiroyuki Fujisada, Editor(s)

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