A Test Chip for CMOS Image Sensors; Gottardi, Massimo; A., Sartori; Simoni, Andrea; A., Zorat; Zorzi, Nicola; Proceedings of the Sixth International Workshop on Physics of Semiconductor Devices (IWPSD-91) (02/12/1991 - 06/12/1991, New Delhi, India); 1991; pp. 354-361