One of the milestones ST reported in its Q3 2011 earnings release states: "Demonstrated first images of a high-end “35mm” digital single-lens reflex CMOS sensor, based on 90nm technology with 2-Directional color stitching capability on 12” wafer size."
ST also mentions that its imaging product business experienced a growth in the last quarter, but does not release numbers. ST CEO Carlo Bozotti said the imaging products grew in Q2 and year-over-year too.
Update: ST SEC filing state that imaging segment sales were $152M in Q3 2011 vs $142M a year ago. The sales for 9 months of 2011 are reported to be $475M vs $393M a year ago.