Patent ID: 7153368

Claim:
A susceptor for epitaxial growth reactor comprising: a body having a lower part, an upper part and substantially flat side faces, said side faces being adapted to receive substrates in predetermined areas, on which the epitaxial growth develops; edge side regions disposed on the body the edge side regions comprising adjacent side faces; first ribs provided along all said edge side regions in the upper part of the body, the first ribs adapted to control the flow of reaction gases along said side faces; second ribs provided along all said edge side regions in the lower part of the body, the second ribs adapted to control a flow of reaction gases along said side faces; the first and second ribs being spaced apart by a gap along the same edge side region, the gap being sized so that at least a portion of the substrates disposed in predetermined areas of one of the lower and upper part are exposed to a portion of the edge side region without one of the first and second ribs.