Electron beam gun with grounded shield to prevent arc down

Industrial electric heating furnaces – Electron beam furnace device

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

373 14, 373 11, 21912126, 392389, 118726, 313313, 313626, H01J 37305

Patent

active

RE0350249

ABSTRACT:
A grounded metallic shield which comprises an electrode enclosing the filament leads and emitters of an e-Gun in a high vacuum chamber of the type used in melting and casting metals and other materials and evaporation sources. The shield is spaced from the filament leads and emitters a distance in the order of the electron mean free path for the pressure uses within the high vacuum chamber. The structure and method of use thereof suppresses or eliminates arc-downs or glow discharges.

REFERENCES:
patent: 3008027 (1961-11-01), Beckius et al.
patent: 3286021 (1966-11-01), Koch
patent: 3486064 (1969-12-01), Stauffer
patent: 3678334 (1972-07-01), Dugdale et al.
patent: 3883679 (1975-05-01), Shrader et al.
patent: 4835789 (1989-05-01), Hanks
"The Book of Basics", Materials Research Corp. (unknown date), Orangeberg, N.Y. 10962 U.S.A., pp. B-I-8 thru B-I-10 and B-III-15, 16.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Electron beam gun with grounded shield to prevent arc down does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electron beam gun with grounded shield to prevent arc down, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electron beam gun with grounded shield to prevent arc down will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2133834

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.