Patent ID: 6214120
Filing Date: 2001-04-10
Classification: C23C,H01L

Abstract:
An apparatus for processing wafers, comprising:first and second processing chambers isolated from each other;an isolation chamber coupled to each processing chamber;a single first type vacuum pump alternatively pumping down the first and second processing chambers through the isolation chamber, wherein the first type vacuum pump can pump down the first processing chamber when a wafer is loaded or unloaded in the second processing chamber, and the first type vacuum pump can pump down the second processing chamber when a wafer is loaded or unloaded in the first processing chamber;a wafer processing source chamber having a wafer processing source, the wafer processing source chamber being coupled to the first and second processing chambers and the isolation chamber; anda plurality of second type vacuum pumps coupled to the first and second processing chambers and the wafer processing source chamber.2.The apparatus according to claim 1, further comprising a power supply for the wafer processing source.