Patent ID: 6022412
Filing Date: 2000-02-08
Classification: C30B

Abstract:
An improved epitaxial reactor comprising a flat disc-shaped susceptor (14) having a plurality of seats (16) for wafers (18) of material to be processed, housed in a reaction chamber (12) having the form of a flattened tube having two larger walls disposed substantially parallel to the end faces of the disc-shaped susceptor (14), the susceptor rotating about its principal axis and being heated by induction by an inductor (90), wherein: the inductor (90) is as close as possible to the susceptor (14), is located outside the reaction chamber (12), is constituted by a flat spiral parallel to an end face of the susceptor (14), is constituted by a plurality of concentric circular flat turns connected in series to form a shape similar to a flat spiral and is cooled by means of externally circulating fluid.