Patent ID: 6533867
Filing Date: 2003-03-18
Classification: C23C

Abstract:
An apparatus for chemical vapor deposition of a thin layer of material on a substrate, comprising:(a) a reaction chamber; (b) a support disposed within said reaction chamber which supports the substrate to be coated in the reaction chamber; and (c) a showerhead which seals one end of said reaction chamber, said showerhead having an outer surface, an inner surface, and a plurality of inlet seal assemblies for permitting the flow of gaseous material through the showerhead into the reaction chamber, each of said inlet seal assemblies being configured to be connected to a source of gaseous material to be introduced into said reaction chamber; wherein each of said inlet seal assemblies comprises a pair of substantially planar seal faces for forming a seal with a source of gaseous material, said seal faces being substantially parallel to the outer surface of the showerhead.