US PATENT SUBCLASS 219 / 121.32
.~.~.~.~ Condition responsive

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
121.11  DF  .~ By arc {16}
121.12  DF  .~.~ Using electron beam {12}
121.31  DF  .~.~.~ Workpiece position control {1}
121.32.~.~.~.~ Condition responsive

DEFINITION

Classification: 219/121.32

Condition responsive:

(under subclass 121.31) Subject matter wherein the workpiece or the support is moved in response to secondary emission detection of a faulty location.