Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Patent
1997-04-07
1998-07-07
O'Shea, Sandra L.
Electric lamp and discharge devices
With luminescent solid or liquid material
Vacuum-type tube
313310, 313311, 313351, H01J 162
Patent
active
057774323
ABSTRACT:
A field emission device (100) includes a supporting substrate (110) having a major surface; a cathode (111) disposed on the major surface of the supporting substrate (110); a dielectric layer (112) disposed on the cathode (111); a gate extraction electrode (114) disposed on the dielectric layer (112); the cathode (111), the dielectric layer (112), and the gate extraction electrode (114) defining a spacer well (132); an anode plate (104) opposing the gate extraction electrode (114); a spacer (106) extending between the cathode (111) at the spacer well (132) and the anode plate (104); a first spacer shield (108) disposed within the spacer well (132) and surrounding the spacer (106); and a second spacer shield (108) affixed to the anode plate (104) and surrounding the spacer (106).
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Dockrey Jasper W.
Gerike Matthew J.
Motorola Inc.
O'Shea Sandra L.
Tobin Kathleen A.
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