US PATENT SUBCLASS 117 / 18
.~.~.~ Using a sectioned crucible or providing replenishment of precursor

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}
13  DF  .~ Having pulling during growth (e.g., Czochralski method, zone drawing) {9}
17  DF  .~.~ With contact with an immiscible liquid (e.g., LEC) {1}
18.~.~.~ Using a sectioned crucible or providing replenishment of precursor

DEFINITION

Classification: 117/18

Using a sectioned crucible or providing replenishment of precursor:

(under subclass 17) Subject matter in which the liquid precursor* is present in a crucible* which has sections clearly defined by a physical member, at least two of which sections contain liquid precursor* (e.g., a sectioned crucible or a double crucible*), or in which a step of precursor* replenishment is recited.

SEE OR SEARCH THIS CLASS, SUBCLASS:

31, for processes using sectioned crucible* in the absence of an immiscible liquid.