A 200 kV electron microscope with Schottky field emitter and a helium-cooled superconducting objective lens

Author: Zemlin F.   Beckmann E.   van der Mast K.D.  

Publisher: Elsevier

ISSN: 0304-3991

Source: Ultramicroscopy, Vol.63, Iss.3, 1996-07, pp. : 227-238

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Abstract