Electric lamp and discharge devices – Discharge devices having a multipointed or serrated edge...
Patent
1994-05-31
1995-12-05
O'Shea, Sandra L.
Electric lamp and discharge devices
Discharge devices having a multipointed or serrated edge...
313336, 313351, 313495, H01J 1900
Patent
active
054732182
ABSTRACT:
A flat, cold-cathode electron emitter including a substrate having a relatively flat surface with a low work function electron emission material layer for emitting electrons supported on the surface of the substrate. A contact conductive layer is disposed on the electron emission material layer and defines an aperture therethrough. An insulating layer is disposed on the contact conductive layer and has an aperture defined therethrough coextensive and in peripheral alignment with the aperture in the contact conductive layer and a conductive gate layer is disposed on the insulating layer. The contact conductive layer forms the field potential so that emission occurs substantially in the center of the aperture.
REFERENCES:
patent: 3735186 (1973-05-01), Klopfer et al.
patent: 4940916 (1990-07-01), Borel et al.
patent: 5382812 (1995-01-01), Dreifus
M. W. Geis, et al., Capacitance-Voltage Measurements on Metal-SiO.sub.2 -Diamond Structures Fabricated with (100)- and (111)-Oriented Substrates, IEEE Transactions on Electron Devices, vol. 38, No. 3, Mar. 1991.
Motorola Inc.
O'Shea Sandra L.
Parsons Eugene A.
Patel Vip
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