Memc Electronic Materials, Inc.

Tom Torack

Michael John Ries

An apparatus and method are provided for forming a denuded zone and an epitaxial layer on a semiconductor wafer used in manufacturing electronic components. The denuded zone and epitaxial layer are formed in one chamber. The apparatus includes a plurality of upstanding pins immovably mounted on a susceptor and maintain a semiconductor wafer spaced from the susceptor during both application of the epitaxial layer and formation of the denuded zone. Fast cooling of the wafer is accomplished by having the wafer out of conductive heat transfer relation with the susceptor during cooling thereof.

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Oakland, MO, United States of America

Tom Torack