概要（Overview）

the Optima XE, was released in the fourth quarter of 2007 and upgraded to the Optima XEx in 2009. The Optima XEx combines Axcelis' production-proven RF Linac high energy, spot beam technology with a high-speed, state-of-the-art single wafer endstation, enabling unmatched throughput. Axcelis' advanced spot beam ensures that all points across the wafer see the same beam at the same beam angle, resulting in exceptional process control and maximum yield.