Intel says they're on track with the 45nm production ramp and that they've already shipped more than 8 million 45nm units:
“I did show that slide at the investor meeting and it shows a crossover [between 45nm and 65nm chips] in the third quarter and we are still on track to that and we are ramping as fast as we can. […] At this point in time, we’ve shipped in excess of 8 million units, so we are moving very quickly up the ramp curve,” said Paul Otellini, president and chief executive officer at Intel.
At present Intel has two 300mm fabs that produce chips using 45nm process technology – D1D in Hillsboro, Oregon, and Fab 32 in Chandler, Arizona. Two additional 45nm, 300mm manufacturing factories are scheduled to open this year in Kiryat Gat, Israel (Fab 28) and Rio Rancho, New Mexico (Fab 11x).
The transition to 45nm process technology is important for Intel as it allows to manufacture higher performance Intel Core 2 Duo and Quad processors at relatively low price. Moreover, successful ramp of 45nm fabrication process also ensures that Intel will be on track to ramp up manufacturing of microprocessors based on the next-generation micro-architecture code-named Nehalem.