US PATENT SUBCLASS 117 / 83
.~.~.~ Having bottom-up crystallization (e.g., VFG, VGF)

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}
73  DF  .~ Havin growth from molten state (e.g., solution melt) {6}
81  DF  .~.~ Growth confined by a solid member other than seed or product (e.g., Bridgman-Stockbarger method) {2}
83.~.~.~ Having bottom-up crystallization (e.g., VFG, VGF)

DEFINITION

Classification: 117/83

Having bottom-up crystallization (e.g., VFG, VGF):

(under subclass 81) Subject matter in which crystal growth initiates at the lowest point in the melt and progresses up; e.g., vertical freeze gradient (VFG).