A Field Emission Display (FED) includes: a first substrate; a first insulating layer arranged on the first substrate; a cathode arranged on the first substrate to cover the first insulating layer, the cathode having a first concave opening arranged between portions thereof covering the first insulating layer: a second insulating layer arranged on the first substrate and the cathode, the second insulating layer having a second opening connected to the first opening to expose a portion of the cathode; a gate electrode arranged on the second insulating layer, the gate electrode having a third opening connected to the second opening; a plurality of emitters arranged on the cathode in the first opening and along both edges of the first opening and spaced apart from each other; and a second substrate facing the first substrate and spaced apart therefrom and having an anode and a fluorescent layer arranged on a surface thereof.

 
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> Programmable logic devices comprising time multiplexed programmable interconnect

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