Patent ID: 7695565
Filing Date: 2010-04-13
Classification: C30B,Y10T

Abstract:
1. A sublimation chamber, comprising: a growth chamber; a sample holder in an interior of the growth chamber; a substrate having a silicon carbide growth surface in the sample holder; a silicon source that is coupled to a first source material inlet into the interior of the growth chamber; a hydrocarbon source that is coupled to a second source material inlet into the interior of the growth chamber; and a hydrogen chloride source that is coupled to a third inlet into the interior of the growth chamber that is positioned so that a hydrogen chloride flow entering the growth chamber through the third inlet will aid in dissolving particles formed by a silicon source material flow from the first source material inlet, wherein the first and second source material inlets are positioned such that the silicon source material flow entering the growth chamber through the first source material inlet and a hydrocarbon source material flow entering the growth chamber through the second source material inlet combine at a distance from the substrate sufficient to allow particles formed from the material flows to sublime before reaching the substrate.