Abstract: The present invention relates to improved injectors for use in CVD reactor systems, and more specifically for use in epitaxial deposition systems for processing a single wafer-at-a-time. The improved injectors of the present invention are used to provide a predetermined desired shaped velocity profile for the injected reactant gases for insuring a more uniform deposition on a single wafer to be processed within the reactor system. In the first embodiment, the reactant gas is fed into a horizontal gas distribution manifold cavity and distributed horizontally in both directions. The gas then passes through a manifold wall having a pattern of predetermined sized and spaced apertures therein. The size of the apertures and the distribution of these sizes, shapes the resultant velocity profile to a desired pattern.
Type:
Grant
Filed:
August 11, 1995
Date of Patent:
June 11, 1996
Assignee:
Advanced Semiconductor Materials America, Inc.
Abstract: A precursor comprising a medium-length ligand carboxylate, such as a metal 2-ethylhexanoate, in a xylenes solvent is applied to an integrated circuit wafer. The wafer is baked to dry the precursor, annealed to form a layered superlattice material on the wafer, then the integrated circuit is completed.
Type:
Grant
Filed:
November 18, 1993
Date of Patent:
November 21, 1995
Assignee:
Symetrix Corporation
Inventors:
Carlos A. Paz de Araujo, Michael C. Scott, Joseph D. Cuchiaro, Larry D. McMillan