US PATENT SUBCLASS 219 / 121.25
.~.~.~ Shaping

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}
121.25.~.~.~ Shaping {2}
121.26  DF  .~.~.~.~> With focusing
121.27  DF  .~.~.~.~> With electrode or gun structure

DEFINITION

Classification: 219/121.25

Shaping:

(under subclass 121.12) Subject matter wherein the working are of the charged particle beam is geometrically configured by using a plate, mask electromagnetic lens electrostatic and electromagnetic deflectors.

SEE OR SEARCH CLASS

250, Radiant Energy,

396, for focusing and magnetic lenses.

373, Industrial Electric Heating Furnaces,

14, for deflection control.