Magnetically focused line source electron gun

R. Avida, J. Yeheskel, M. Friedman, D. Gazit, D. Levron

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


A magnetically focused line source electron gun for selective heat treatment of surfaces is described. A model calculation consisting of an electric field computation routine and a trajectory tracing procedure was performed. An electron gun, corresponding to the model, was built and tested and its characteristics measured. The gun delivered 10 kw/cm2 on a strip of 80x2 mm, which could be scanned over a range of 100 mm in a direction perpendicular to the long dimension of the strip, so that an area of 80x100 mm could be heat treated in a short time of the order of milliseconds. The magnetic focusing provides for uniform electron energy and beam density throughout the scanned area.

Original languageEnglish
Pages (from-to)1577-1580
Number of pages4
JournalReview of Scientific Instruments
Issue number10
StatePublished - 1 Dec 1982
Externally publishedYes

ASJC Scopus subject areas

  • Instrumentation


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