Accession Number:

ADA048200

Title:

Field Electron and Ion Source Research for High Density Information Storage System.

Descriptive Note:

Interim technical rept. no. 1, 15 May-15 Aug 76,

Corporate Author:

OREGON GRADUATE CENTER BEAVERTON

Personal Author(s):

Report Date:

1977-04-01

Pagination or Media Count:

87.0

Abstract:

The purpose of this research program is the development of high brightness field emission sources of both ions and electrons by use of field emission phenomena. Fabrication procedures and evaluation of emission characteristics have been examined for lanthanum hexaboride field electron emitters. Field electron emission from a liquid gallium source has also been developed and examined. Emission occurs in a pulse mode with 50 to 100 A peak currents in 10 nsec pulses. Gas phase field ion emission using hydrogen has been examined using a high pressure source configuration. Current intensities of 0.00005 A per Sr per torr at 77 K were measured. In addition, a preliminary investigation of ion emission from a liquid gallium source has shown that stable currents up to 150 micro A can be obtained. Author

Subject Categories:

  • Electrical and Electronic Equipment
  • Computer Hardware

Distribution Statement:

APPROVED FOR PUBLIC RELEASE