Low-noise, low-temperature 256 X 256 Si:As IBC staring FPA

Details Low-noise, low-temperature 256 X 256 Si:As IBC staring FPA Low-noise, low-temperature 256 X 256 Si:As IBC staring FPA

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993spie.1946..100l&link_type=abstract

Proc. SPIE Vol. 1946, p. 100-109, Infrared Detectors and Instrumentation, Albert M. Fowler; Ed.

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Cryogenic space telescopes such as the Space Infrared Telescope Facility (SIRTF) require large-area focal plane arrays (FPAs) with high sensitivity. Such applications set requirements for the readout arrays to simultaneously provide low noise and low power dissipation at very low temperatures. The Hughes Technology Center (HTC) has developed a low-noise 256 X 256-pixel hybrid FPA composed of a PMOS readout array hybridized to an arsenic- doped silicon (Si:As) impurity-band conduction (IBC) detector which is designed to operate below 10 K. The readout unit cell employs a switched source-follower-per-detector (SFD) design where in signals are multiplexed onto four outputs. The detector was processed using high-purity, multilayered epitaxial processing. The readout was processed using the p-channel subset of HTC's CryoCMOS process.

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