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Title: Process for making a cesiated diamond film field emitter and field emitter formed therefrom

Abstract

A process for making a cesiated diamond film comprises (a) depositing a quantity of cesium iodide on the diamond film in a vacuum of between about 10.sup.-4 Torr and about 10.sup.-7 Torr, (b) increasing the vacuum to at least about 10.sup.-8 Torr, and (c) imposing an electron beam upon the diamond film, said electron beam having an energy sufficient to dissociate said cesium iodide and to incorporate cesium into interstices of the diamond film. The cesiated diamond film prepared according to the process has an operating voltage that is reduced by a factor of at least approximately 2.5 relative to conventional, non-cesiated diamond film field emitters.

Inventors:
 [1];  [2]
+ Show Inventor Affiliations
  1. Batavia, IL
  2. Geneva, IL
Issue Date:
Research Org.:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
OSTI Identifier:
872221
Patent Number(s):
5888113
Assignee:
Universities Research Association, Inc. (Washington, DC)
Patent Classifications (CPCs):
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
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DOE Contract Number:  
AC02-76CH03000
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
process; cesiated; diamond; film; field; emitter; formed; therefrom; comprises; depositing; quantity; cesium; iodide; vacuum; 10; -4; torr; -7; increasing; -8; imposing; electron; beam; energy; sufficient; dissociate; incorporate; interstices; prepared; according; operating; voltage; reduced; factor; approximately; relative; conventional; non-cesiated; emitters; formed therefrom; operating voltage; electron beam; diamond film; field emitter; film comprises; field emitters; cesiated diamond; cesium iodide; energy sufficient; film field; emitter formed; /445/313/427/

Citation Formats

Anderson, David F, and Kwan, Simon W. Process for making a cesiated diamond film field emitter and field emitter formed therefrom. United States: N. p., 1999. Web.
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Anderson, David F, & Kwan, Simon W. Process for making a cesiated diamond film field emitter and field emitter formed therefrom. United States.
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Anderson, David F, and Kwan, Simon W. Fri . "Process for making a cesiated diamond film field emitter and field emitter formed therefrom". United States. https://www.osti.gov/servlets/purl/872221.
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@article{osti_872221,
title = {Process for making a cesiated diamond film field emitter and field emitter formed therefrom},
author = {Anderson, David F and Kwan, Simon W},
abstractNote = {A process for making a cesiated diamond film comprises (a) depositing a quantity of cesium iodide on the diamond film in a vacuum of between about 10.sup.-4 Torr and about 10.sup.-7 Torr, (b) increasing the vacuum to at least about 10.sup.-8 Torr, and (c) imposing an electron beam upon the diamond film, said electron beam having an energy sufficient to dissociate said cesium iodide and to incorporate cesium into interstices of the diamond film. The cesiated diamond film prepared according to the process has an operating voltage that is reduced by a factor of at least approximately 2.5 relative to conventional, non-cesiated diamond film field emitters.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {1}
}
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