US PATENT SUBCLASS 219 / 121.6
.~.~ Using laser

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}
121.6.~.~ Using laser {12}
121.61  DF  .~.~.~> Beam energy control {1}
121.63  DF  .~.~.~> Welding {1}
121.65  DF  .~.~.~> Melting {1}
121.67  DF  .~.~.~> Cutting {3}
121.73  DF  .~.~.~> Shaping {2}
121.76  DF  .~.~.~> Multiple beams {1}
121.78  DF  .~.~.~> Beam position control {3}
121.82  DF  .~.~.~> Workpiece position control
121.83  DF  .~.~.~> With monitoring
121.84  DF  .~.~.~> With fluid supply
121.85  DF  .~.~.~> Method
121.86  DF  .~.~.~> Chamber

DEFINITION

Classification: 219/121.6

Using laser:

(under subclass 121.11) Subject matter using coherent source of amplified light.

(1) Note. Produced by the relaxation of stimulated molecules or atoms.

SEE OR SEARCH CLASS

216, Etching a Substrate: Processes,

65, for the use of a laser in etching.

372, Coherent Light Generators, appropriate subclasses for a particular coherent light generator or cavity structure.