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US 9,064,670 B2Granted
Electron emission device and X-ray generator including the same
AssigneeSamsung Electronics Co., Ltd.
InventorsIl-hwan Kim, Do-yoon Kim, Yong-chul Kim, Shang-hyeun Park, Tae-won Jeong
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Abstract
An electron emission device includes a cathode electrode; a mesh-shaped gate electrode spaced apart from the cathode electrode; a plurality of gate spacers between the cathode electrode and the gate electrode; and a plurality of electron emission sources between the cathode electrode and the gate electrode, and alternating with the plurality of gate spacers.
Claims17
An electron emission device comprising:
- a cathode electrode;
- a gate electrode spaced apart from the cathode electrode, and a plurality of openings defined in the gate electrode;
- a plurality of gate spacers spaced apart from the gate electrode, between the cathode electrode and the gate electrode;
- and
- a plurality of electron emission sources between the cathode electrode and the gate electrode, and alternating with the plurality of gate spacers,
- wherein
- a first portion of each electron emission source is exposed by an opening among the plurality of openings defined in the gate electrode, and
- a second portion of each electron emission source is overlapped by the gate electrode.
5 more elements
Dependencies are inferred from the claim text.