US PATENT SUBCLASS 117 / 71
.~.~ At pressure above 1 atmosphere (e.g., hydrothermal processes)

Current as of: June, 1999
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117 /   HD   SINGLE-CRYSTAL, ORIENTED-CRYSTAL, AND EPITAXY GROWTH PROCESSES; NON-COATING APPARATUS THEREFOR

11  DF  PROCESSES OF GROWTH FROM LIQUID OR SUPERCRITICAL STATE {7}
68  DF  .~ Having growth from a solution comprising a solvent which is liquid at or below 20 degrees Celsius (e.g., aqueous solution) {3}
71.~.~ At pressure above 1 atmosphere (e.g., hydrothermal processes) {1}
72  DF  .~.~.~> Quartz (SiO2) product

DEFINITION

Classification: 117/71

At pressure above 1 atmosphere (e.g., hydrothermal processes):

(under subclass 68) Subject matter in which growth occurs under conditions of greater than 1 atmospheric pressure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

224, for corresponding apparatus other than coating apparatus.