Field emission cathode and method for manufacturing same

Details Field emission cathode and method for manufacturing same Field emission cathode and method for manufacturing same

1996-12-06

1998-11-10

Patel, Ashok

Electric lamp and discharge devices

Electrode and shield structures

Point source cathodes

313308, 313309, 313336, 313351, H01J 162

Patent

active

058348859

ABSTRACT:
A field emission cathode which is capable of increasing bond strength between emitters and a resitive layer and a method for manufacturing the same which is capable of facilitating manufacturing of the cathode. The field emission cathode includes a laminated board, which includes a substrate, and at least a cathode electrode layer, a resitive layer, an insulating layer and a gate electrode layer which are deposited in the form of a film on the substrate in order. The gate electrode layer and insulating layer are formed with through-holes so as to commonly extend through the gate electrode layer and insulating layer. The cathode also includes buffer layers made of an insulating material and formed on portions of the resistive layer exposed via the through-holes, as well as emitters arranged on the buffer layers, respectively, resulting in bond strength between the resistive layer and the emitters being increased.

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