A Two-Dimensional HgCdTe IRCCD with Increased Cell Capacity

Kunihiro Tanikawa; Yuichiro Ito; Reikichi Tsunoda; Toshio Kanno

doi:10.1117/12.936528

6 November 1986 A Two-Dimensional HgCdTe IRCCD with Increased Cell Capacity

Kunihiro Tanikawa, Yuichiro Ito, Reikichi Tsunoda, Toshio Kanno

Proceedings Volume 0686, Infrared Detectors, Sensors, and Focal Plane Arrays; (1986) https://doi.org/10.1117/12.936528
Event: 30th Annual Technical Symposium, 1986, San Diego, United States

Abstract

A new chip organization for CCD multiplexers to increase the cell capacity is discussed. The chip uses the interlaced readout scheme, the MCCD and the storage/transfer common electrode configuration. These three techniques triple the conventional cell capacity. The CCD multiplexer is source-coupled with a 64 x 64 element HgCdTe photovoltaic array for 3-5 μm spectral region. The cell size of the CCD is 100 x 50 μm. The detector element pitch is 50 μm. The multiplexer has the charge handling capability of 1.1 x 107 electrons/cell. A 50 dB dynamic range is obtained for all 64 x 64 elements with 8% offset variation against 300 K background radiation and 14% responsivity variation. The mean detectivity D*λρ is 1.8 x 1011 cmHz1/2/W at peak wavelength of 4.7 μm. This IRCCD realizes wide dynamic range without sacrificing detectivity.

Citation Download Citation

Kunihiro Tanikawa, Yuichiro Ito, Reikichi Tsunoda, and Toshio Kanno "A Two-Dimensional HgCdTe IRCCD with Increased Cell Capacity", Proc. SPIE 0686, Infrared Detectors, Sensors, and Focal Plane Arrays, (6 November 1986); https://doi.org/10.1117/12.936528

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