Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
Patent
1988-11-15
1991-04-09
Yusko, Donald J.
Electric lamp and discharge devices
Electrode and shield structures
Cathodes containing and/or coated with electron emissive...
252521, 445 51, H01J 1914
Patent
active
050067532
ABSTRACT:
By providing at least the top layer of the matrix of a scandate cathode with an alloy or compound which exhibits scandium segregation, a satisfactory recovery for cathodes with a high emission can be achieved after ion bombardment.
REFERENCES:
patent: 4350920 (1982-09-01), Bertens
patent: 4518890 (1985-05-01), Tagughi
patent: 4626470 (1986-12-01), Yamamoto et al.
patent: 4783613 (1988-11-01), Yamamoto et al.
patent: 4855637 (1989-08-01), Watanabe et al.
Crombeen Jacobus E.
Hasker Jan
Niessen Anton K.
Stoffelen Henricus J. H.
Fox John C.
Horabik Michael
U.S. Philips Corporation
Yusko Donald J.
LandOfFree
Scandate cathode exhibiting scandium segregation does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Scandate cathode exhibiting scandium segregation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Scandate cathode exhibiting scandium segregation will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2036881