An Hg0.8Cd0.2Te photoconductive array of 200 elements has been developed. The array has uniform detectivity and the mean value of D*(12 µm, 1000, 1) field of view (FOV) 50° at 77 K is 3.2 × 1010cm. Hz1/2. W-1. The array was successfully fabricated under severe control of thermal flow during crystallization, carrier control by doping of indium impurity, and assembly of four chips each with 50 elements.
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Itoh et al. (1980) studied this question.