Redundant conductor electron source

Details Redundant conductor electron source Redundant conductor electron source

1994-10-06

1996-06-18

O'Shea, Sandra L.

Electric lamp and discharge devices

Discharge devices having three or more electrodes

313309, 313336, 313351, H01J 102

Patent

active

055280986

ABSTRACT:
An electron source is formed to have a redundant conductor extraction grid (17) and redundant column conductor (38, 39). Grid (17) has a plurality of conductor strips (21, 22) that overlay the column conductors (38, 39). When one conductor strip (21, 22) of the grid (17) is shorted to an underlying conductor, the non-shorted conductor remains usable. Similarly, the column conductors (38, 39) each have a plurality of column conductor strips (14, 25, 41, 42) that underlie the grid (17). When one column conductor strip (14, 25, 41, 42) is shorted to the grid (17), the non-shorted column conductor strip remains usable.

REFERENCES:
patent: 5142184 (1992-08-01), Kane
patent: 5157309 (1992-10-01), Parker et al.
patent: 5194780 (1993-03-01), Meyer

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