1500-element linear MWIR and LWIR HgCdTe arrays for high-resolution imaging

Jean-Paul Chamonal; Eric Mottin; Patrick Audebert; Philippe Medina; Michel Ravetto; Joel Deschamps; Michel Girard; Jean-Pierre Chatard

doi:10.1117/12.292701

23 October 1997 1500-element linear MWIR and LWIR HgCdTe arrays for high-resolution imaging

Jean-Paul Chamonal, Eric Mottin, Patrick Audebert, Philippe Medina, Michel Ravetto, Joel Deschamps, Michel Girard, Jean-Pierre Chatard

Author Affiliations +

Proceedings Volume 3122, Infrared Spaceborne Remote Sensing V; (1997) https://doi.org/10.1117/12.292701
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

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 electrooptical performances obtained at LETI I LIR (Infrared Laboratory) on 1500 detector linear HgCdTe arrays working in the 3-5 and 8-10 pm spectral ranges. These very large arrays (length 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. Keywords: Infrared, HgCdTe, linear array, butting, focal plane array

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Jean-Paul Chamonal, Eric Mottin, Patrick Audebert, Philippe Medina, Michel Ravetto, Joel Deschamps, Michel Girard, and Jean-Pierre Chatard "1500-element linear MWIR and LWIR HgCdTe arrays for high-resolution imaging", Proc. SPIE 3122, Infrared Spaceborne Remote Sensing V, (23 October 1997); https://doi.org/10.1117/12.292701

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