Patent ID: 6038788
Filing Date: 2000-03-21
Classification: H01L

Abstract:
A wafer transfer apparatus for transferring wafers to and from a quartz boat, comprising:a pair of wafer retainers for accommodating a group of wafers, each wafer retainer comprising a wafer guide having a plurality of slots formed at regularly-spaced intervals on an inside surface of the wafer guide and a guide supporter abutting an outside surface of the wafer guide for supporting the wafer guide:at least one nozzle formed on the wafer guide;a gas supply member for supplying gas; anda gas delivery member, which is connected between the gas supply member and the nozzle, for delivering gas from the gas supply member to the nozzle to prevent particles deposited on the quartz boat from contaminating the wafers which are loaded into and retrieved from the quartz boat.