2014 On donne les détails de construction et de mise en oeuvre d'un appareillage permettant de préparer par bombardement ionique uniforme des surfaces de 0,6 cm2 (ou plus, ces surfaces n'étant limitées que par le débit du groupe de pompage), sur des échantillons micrographiques conducteurs ou isolants. On décrit également l'adaptation de ce dispositif à l'amincissement d'échantillons massifs destinés à l'examen direct par transmission au microscope électronique. Abstract. 2014 The details of desing and setting up of an apparatus which allows the preparation of conducting or insulating micrographic samples by uniform ionic bombardement are given. The average surface area subjected to bombardement may be 0.1 Sq. In. or greater being limited only by the speed of the vacuum pump. The adaptation of this device for making thinner samples of bulk materials meant for direct examination by transmission electron microscopy is also described.
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