Single-crystal – oriented-crystal – and epitaxy growth processes; – Processes of growth from liquid or supercritical state
Reexamination Certificate
2004-12-10
2009-12-01
Kunemund, Robert M (Department: 1792)
Single-crystal, oriented-crystal, and epitaxy growth processes;
Processes of growth from liquid or supercritical state
C117S201000, C117S220000, C117S031000, C117S034000
Reexamination Certificate
active
07625446
ABSTRACT:
A capsule for containing at least one reactant and a supercritical fluid in a substantially air-free environment under high pressure, high temperature processing conditions. The capsule includes a closed end, at least one wall adjoining the closed end and extending from the closed end; and a sealed end adjoining the at least one wall opposite the closed end. The at least one wall, closed end, and sealed end define a chamber therein for containing the reactant and a solvent that becomes a supercritical fluid at high temperatures and high pressures. The capsule is formed from a deformable material and is fluid impermeable and chemically inert with respect to the reactant and the supercritical fluid under processing conditions, which are generally above 5 kbar and 550° C. and, preferably, at pressures between 5 kbar and 80 kbar and temperatures between 550 ° C. and about 1500° C. The invention also includes methods of filling the capsule with the solvent and sealing the capsule, as well as an apparatus for sealing the capsule.
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D'Evelyn Mark Philip
Dysart Joel Rice
Giddings Robert Arthur
Leonelli, Jr. Robert Vincent
Lucek John William
Kunemund Robert M
Momentive Performance Materials Inc.
Rao G. Nagesh
Waters Joseph E.
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