Abstract:The dark field technique of strioscopy has provided high contrast with reasonable resolution at the organelle level for diffusely scattering, biological-type specimens and information concerning scattering processes in electron microscopy. It has involved the removal of the direct beam from the diffraction pattern by a central wire and subsequent image formation by diffracted beams, limited by a central back focal plane aperture. Strioscopic apertures (Fig. 1) have been constructed by microwelding 10µ platinum… Show more
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