Abstract
An easily constructed device is described that ensures deformation-free electrolytic etching of thin (μm range) specimens and avoids elaborate and time-consuming procedures. Essentially the device consists of a perforated electrode on which the specimen is held by maintaining a low pressure underneath. In addition the description of a valve assembly is given which is used for the recycling of the electrolyte that is sucked out of the bath through the holes in the electrode.
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