Granted Patent
Utility
US 6,472,802 · App. 09/471,892
Triode-type field emission device having field emitter composed of emitter tips with diameter of nanometers and method for fabricating the same
Inventors:
Sung-Yool Choi, Mun Cheol Paek, Kyoung Ik Cho, Jeen Hur, Gi-Pyung Han
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Dec 23, 1999
Inventors
Sung-Yool Choi
Mun Cheol Paek
Kyoung Ik Cho
Jeen Hur
Gi-Pyung Han
Assignee (at issue)
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.