A focused 12-MeV carbon ion micro-beam was used to acquire multiple single
ion transients at various locations of a single CMOS transistor. Complete c
urrent transients induced by single ions were measured at a 5 GPIz analog b
andwidth, The current transients reveal clear and discernible contributions
of drift and diffusive charge collection. Estimates are presented for the
drift assisted, funneling charge collection depth. Radiation damage effects
on drift and diffusive charge collection are reported. Transients measured
for drain and off-drain ion strikes compare well to 3D DAVINCI calculation
s, (C) 1999 Published by Elsevier Science B.V. All rights reserved.