Abstract
PERFORATED, or “holey”, supporting films are constantly required in electron microscopy. They are necessary for the correction of astigmatism, and are invaluable for obtaining the best resolution, because they simplify focusing at high magnification, and allow areas of the specimen to be examined unimpeded by supporting film.
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CHARLES, A. Preparation of Films with Holes for Electron Microscopy. Nature 212, 106 (1966). https://doi.org/10.1038/212106a0
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DOI: https://doi.org/10.1038/212106a0
