Field emission device having stamped substrate and method

Details Field emission device having stamped substrate and method Field emission device having stamped substrate and method

1997-02-28

2000-09-05

Patel, Ashok

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

313497, 313336, 313351, 313306, H01J 1924, H01J 2904

Patent

active

061148024

ABSTRACT:
A field emission device (400) includes a plastically-deformable, ceramic, stamped substrate (200) made from a plastically deformable ceramic, which in the preferred embodiment includes a calendered tape. The plastically-deformable, ceramic, stamped substrate (200) includes first and second opposed surfaces (202, 204) and defines apertures (206) in which are formed extraction electrodes (410). The field emission device (400) further includes an electron-emissive layer (418) being formed on the first opposed surface (202). Cathodes (420) are disposed on the electron-emissive layer (418) and cross the extraction electrodes (410) at an angle of 90.degree.. A method for fabricating said field emission device (400) includes stamping a layer (100) of the softened calendered tape with a die (300) to define the apertures (206) and grooves (208, 212, 214).

REFERENCES:
patent: 5424605 (1995-06-01), Lovoi
patent: 5587623 (1996-12-01), Jones
patent: 5589731 (1996-12-01), Fahlen et al.

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