Patent ID: 6236903
Filing Date: 2001-05-22
Classification: G06K,H01L,Y10S

Abstract:
A multiple reaction chamber system comprising:a transfer chamber;a load lock chamber connected to the transfer chamber;a plurality of reaction chambers connected to the transfer chamber; andan alignment chamber connected to the transfer chamber, disposed along a path of wafer transfer from the load lock chamber to the plurality of reaction chambers, comprising a wafer aligner;a wafer recognition system having means for recognizing an identification code of an individual wafer, disposed along a post-aligner portion of the path along which portion wafers are transferred inside the multiple reaction chamber system from the wafer aligner to any of the reaction chambers; anda controlling system in data communication with the wafer recognition system and with the transfer chamber for selecting a designated chamber of the plurality of reaction chambers, whereby the individual wafer is transferred into the designated chamber.