US PATENT SUBCLASS 117 / 222
.~.~.~ Including heating or cooling details

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

200  DF  APPARATUS {4}
206  DF  .~ For crystallization from liquid or supercritical state {5}
219  DF  .~.~ Having means for producing a moving solid-liquid-solid zone {3}
222.~.~.~ Including heating or cooling details

DEFINITION

Classification: 117/222

Including heating or cooling details:

(under subclass 219) Subject matter in which temperature affecting element or means (such as RF susceptor, radiation shield or reflector, cooling coils, or heating element) is described in some detail.

(1) Note. Mere provision for heating or cooling means or element is not sufficient for placement here.

SEE OR SEARCH CLASS

219, Electric Heating, for electrical heating devices of generally disclosed utility and not combined with single-crystal* forming means.

373, Industrial Electric Heating Furnaces, appropriate subclasses for apparatus having a specific electrical heating structure and of generally disclosed utility and for heating a material, especially

17, for apparatus for zone melting by electron beam furnace and subclass 139 for apparatus for zone melting by induction heating. Class 117 takes apparatus claimed or solely disclosed for single-crystal* growing.