WRAPUP 1-Novellus, On Semi, Atmel post quarterly loss
* Novellus, On Semi, Atmel shares down
* Novellus Q4 sales drop 48 pct
* On Semi sees Q1 rev below Street
By Purwa Naveen Raman
Feb 4 (Reuters) - Chip technology companies ON Semiconductor Corp ONNN.O, Novellus Systems Inc (NVLS.O: Cotización) and Atmel Corp ATML.O reported a quarterly loss, as the economy continued to cast a pall of gloom over the semiconductor sector.
Semiconductor companies around the world are struggling a near two-year sector downturn due to chronic oversupply and weak demand for consumer electronic gadgets, forcing them to resort to job cuts and factory shutdowns.
Chipmaker On Semiconductor said it would close its remaining Phoenix wafer-fab facility by the end of the first quarter 2010, and expects to cut 350 jobs at the unit.
All three companies have already announced a slew of measures to cut costs, including reductions workforce.
"There is great uncertainty in the outlook for the worldwide economy, which is out of our control," Novellus Systems Chief Executive Richard Hill said in a statement. Continuación...