US PATENT SUBCLASS 315 / 111.31
.~.~ With extraction electrode

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

Internet Version by PATENTEC © 1999      Terms of Use


315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

111.01  DF  DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE {3}
111.21  DF  .~ Plasma generating {2}
111.31.~.~ With extraction electrode

DEFINITION

Classification: 315/111.31

With extraction electrode:

(under subclass 111.21) Subject matter including means for removing ions of one charge from the plasma or discharge space.