Patents Assigned to SNU R&DB Foundaton
  • Patent number: 8232716
    Abstract: Field emission devices (FEDs) are provided. In one embodiment, an FED includes an electron emitter, a tube spaced apart from the electron emitter and having a first opening and a second opening, and a gate electrode disposed on an outer surface of the tube. The first opening is disposed at one end of the tube adjacent to the electron emitter, and the second opening is disposed at the other end of the tube. The FED further includes an anode that is spaced apart from the second opening and collects secondary electrons emitted from the second opening.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: July 31, 2012
    Assignee: SNU R&DB Foundaton
    Inventors: Yong Hyup Kim, Wal Jun Kim