Field emission device

Details Field emission device Field emission device

2006-01-31

2009-06-09

Patel, Nimeshkumar D. (Department: 2879)

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

C315S169100

Reexamination Certificate

active

07545088

ABSTRACT:
A field emission device (10) is provided that prevents electrical breakdown. The field emission device (10) comprises an anode (40) distally disposed from a cathode plate that includes an insulating substrate (12) having a portion exposed to the anode (40), and a cathode metal (14) overlying another portion of the insulating substrate (12). A gate electrode (26) overlies an oxide (24) above at least a portion of the cathode metal (14) and optionally above a portion of the substrate. A dielectric layer (18) is positioned between a resistive layer (22) and the cathode metal (14), and substantially all of the exposed substrate, and underlies substantially all of the gate electrode (26) including its edges (34, 46), providing a resistance between the cathode metal (14) and the edges (34, 46).

REFERENCES:
patent: 6461211 (2002-10-01), Raina et al.
patent: 6686680 (2004-02-01), Shaw et al.
patent: 2003/0184357 (2003-10-01), Dijon et al.
patent: 2004/0056579 (2004-03-01), Ha et al.
patent: 2005/0248256 (2005-11-01), Song et al.
International Search Report, PCT/US07/60731 dated Feb. 20, 2008.

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