Radiant energy – Inspection of solids or liquids by charged particles
Patent
1982-07-26
1984-10-30
Anderson, Bruce G.
Radiant energy
Inspection of solids or liquids by charged particles
250311, G01N 2300
Patent
active
044801882
ABSTRACT:
The invention relates to a method and device that make it possible to determine interplanar distances in electron diffraction images in electron microscopes. This is done through its beam stopper, which originally was used only to interrupt the central beam for better display of the diffraction image.
The invention makes possible the elimination of errors normally committed in determining said distances, many of them related to the deformation of the film and to unsuitably exposed photographs.
REFERENCES:
patent: 2619598 (1952-11-01), Coltman et al.
patent: 4316087 (1982-02-01), Yanaka et al.
Anderson Bruce G.
Groff, Jr. Emory L.
Usinas Siderurgicas De Minas Gerais S.A. -Usiminas
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