US PATENT SUBCLASS 372 / 74
.~.~.~ Electron beam

Current as of: June, 1999
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372 /   HD   COHERENT LIGHT GENERATORS

69  DF  PARTICULAR PUMPING MEANS {5}
70  DF  .~ Pumping with optical or radiant energy {9}
73  DF  .~.~ High-energy particles {1}
74.~.~.~ Electron beam

DEFINITION

Classification: 372/74

Electron beam:

(under subclass 73) Subject matter in which the high-energy particles take the form of an electron beam.