256 X 256 element InSb multiplexed focal plane array for ground-based astronomy

Details 256 X 256 element InSb multiplexed focal plane array for ground-based astronomy 256 X 256 element InSb multiplexed focal plane array for ground-based astronomy

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993spie.1946...55b&link_type=abstract

Proc. SPIE Vol. 1946, p. 55-60, Infrared Detectors and Instrumentation, Albert M. Fowler; Ed.

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A 256 X 256 element InSb (indium antimonide) focal plane array has been specifically developed for use in ground-based astronomy. The array is an indium bump hybrid of a high- quality InSb detector array fabricated with an improved process, mated to a new, specially- designed low-background multiplexer. The performance parameters have been tuned to best reflect the requirements of ground based astronomy. The circuit is a direct readout detector integrator. It has a well size typically around 1,000,000 electrons, a readout rate of about 400 kHz, and has an expected noise level of about 200 electrons.

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