Multilayer pillar structure for improved field emission devices

Details Multilayer pillar structure for improved field emission devices Multilayer pillar structure for improved field emission devices

1995-01-31

1997-01-28

Arana, Louis M.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313309, 313336, H01J 188

Patent

active

055980562

ABSTRACT:
In accordance with the invention, a field emission device is provided with an improved pillar structure comprising multi-layer pillars. The pillars have a geometric structure that traps most secondary electrons and an exposed surface that reduces the number of secondary electrons. Processing and assembly methods permit low-cost manufacturing of high breakdown-voltage devices, including flat panel displays.

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