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The state-of-the-art
HgCdTe focal plane arrays (FPA) uses Fermionics, advanced liquid-phase
epitaxial (LPE) growth and device technology. The versatility
of the LPE technique assures the desired cut-off wavelength to
be easily adjusted. The proprietary process yields excellent
detection performance in the Near Infrared (NIR), short-wave
(SWIR), mid-wave (MWIR), and long-wave (LWIR) infrared region.
Fermionics offers
the HgCdTe FPAs in three array sizes 128 x 128, 320 x 256, and
640 x 512. The FPA is Indium bump bonded to the CMOS readout
integrated circuit (ROIC). The direct inject or the CTIA multiplexer
is designed for the snapshot mode and integrate-while-read or
integrate-then-read integration modes. The multiplexer has selectable
1,2 or 4 outputs with the windowing capability.
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