Optimum barrier height in Schottky-barrier infrared CCD image sensor

Akihito Tanabe; Nobukazu Teranishi; Shigeru Tohyama; Kazuo Konuma; Kouichi Masubuchi

doi:10.1117/12.137794

1 September 1992 Optimum barrier height in Schottky-barrier infrared CCD image sensor

Akihito Tanabe, Nobukazu Teranishi, Shigeru Tohyama, Kazuo Konuma, Kouichi Masubuchi

Proceedings Volume 1685, Infrared Detectors and Focal Plane Arrays II; (1992) https://doi.org/10.1117/12.137794
Event: Aerospace Sensing, 1992, Orlando, FL, United States

Abstract

Noise equivalent temperature difference (NE(Delta) T) values in a PtSi Schottky-barrier (SB) infrared CCD image sensor are calculated with variations in spectral response, device operating temperature, and internal radiation intensity generated from a lens barrel, using measured values from a recently developed 648 X 487 pixel SB infrared CCD image sensor. The barrier height is allowed to vary, whereas it was fixed before. NE(Delta) T values were calculated as a function of barrier height and were found to have a minimum. The optimum barrier height depends on quantum efficiency coefficient, device operating temperature, and internal radiation intensity.

Citation Download Citation

Akihito Tanabe, Nobukazu Teranishi, Shigeru Tohyama, Kazuo Konuma, and Kouichi Masubuchi "Optimum barrier height in Schottky-barrier infrared CCD image sensor", Proc. SPIE 1685, Infrared Detectors and Focal Plane Arrays II, (1 September 1992); https://doi.org/10.1117/12.137794

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