US PATENT SUBCLASS 219 / 121.12
.~.~ Using electron beam

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
121.11  DF  .~ By arc {16}
121.12.~.~ Using electron beam {12}
121.13  DF  .~.~.~> Welding {1}
121.15  DF  .~.~.~> Deposition (e.g., sputtering)
121.16  DF  .~.~.~> Melting {1}
121.18  DF  .~.~.~> Cutting {1}
121.21  DF  .~.~.~> Chamber {2}
121.24  DF  .~.~.~> Nonvacuum environment
121.25  DF  .~.~.~> Shaping {2}
121.28  DF  .~.~.~> Position control {2}
121.31  DF  .~.~.~> Workpiece position control {1}
121.33  DF  .~.~.~> With fluid supply (e.g., shielding gas or coolant)
121.34  DF  .~.~.~> Power supply
121.35  DF  .~.~.~> Methods

DEFINITION

Classification: 219/121.12

Using electron beam:

(under subclass 121.11) Subject matter wherein the working arc is an electron beam in a vacuum.

SEE OR SEARCH CLASS

250, Radiant Energy,

492.1, for irradiation of objects or material and subclass 492.2 for irradiation of semiconductive devices.