Abstract
A new high resolution reflection scanning electron microscope has been built with a lanthanum hexaboride cathode electron gun, a contamination-free vacuum system, and in which the deteriorating eflects of vibration and ac stray field interference have been reduced below significant levels. The microscope produces a minimum probe diameter of 30±7 Å with a current of 10−12 A at a working distance of 7 mm and an accelerating voltage of 23 kV. Point-to-point resolution of 50±10 Å has been measured in scanning reflection.
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@article{Broers_1969, title={A New High Resolution Reflection Scanning Electron Microscope}, volume={40}, ISSN={1089-7623}, url={http://dx.doi.org/10.1063/1.1684146}, DOI={10.1063/1.1684146}, number={8}, journal={Review of Scientific Instruments}, publisher={AIP Publishing}, author={Broers, A. N.}, year={1969}, month=aug, pages={1040–1045} }