A Method for Shadowing Electron-Microscopic Specimens with Tungsten
- 1 February 1963
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 34 (2), 434-436
- https://doi.org/10.1063/1.1702626
Abstract
A method is described for the controlled sublimation of tungsten wire at a temperature just below the melting point. Emission of electrons from the wire provides a sensitive indicator, which enables the operator to regulate the filament temperature by manual or automatic adjustment of the heating current. The wire is volatilized primarily by sublimation of metallic tungsten, not by oxidation. Some advantages of tungsten shadowing are considered.Keywords
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