This paper introduces the UV/IR detector structure characteristics, working principle, the theory basis of selecting cadmium sulfide for UV detector. The importance and necessity of selecting cadmium surface polishing quality were presented. The emphasis on the fabrication technology of CdS wafer of the mechanical lapping and polishing was described in details. The best polishing liquid and thickness of the CdS was achieved by comparing and analyzing the surface of wafers SEM photos, infrared transmission a...
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