Process for the production of a microtip electron source

Details Process for the production of a microtip electron source Process for the production of a microtip electron source

1995-09-28

1997-10-21

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

H01J 902

Patent

active

056790449

ABSTRACT:
According to this process a structure is produced comprising an insulating substrate (32), at least one cathode conductor (34), an insulating layer (36), a grid layer (40) and holes (42) are formed through the grid layer and the insulating layer, on the grid layer using a wet chemical deposition method is produced a lift-off layer (44), followed by the deposition on the assembly of an electron emitting material layer (52) and the elimination of the lift-off layer. Application to the manufacture of flat screens.

REFERENCES:
patent: 4964946 (1990-10-01), Gray et al.
patent: 5458520 (1995-10-01), De Mercurio et al.

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