NASA NTRS · 19760000032
Improved Einzel lenses
Abstract
New insulator configuration simplifies construction of three-electrode electrostatic electron lenses in which center electrode is at high electrical potential. Spherical sapphire insulators are used in lieu of conventional tubular ceramic or plastic insulators in Einzel lens assembly.
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Hart, R. K.. 1976-03-01. Improved Einzel lenses. https://ntrs.nasa.gov/citations/19760000032
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