| 摘要 |
The invention relates to a support and positioning system for at least one miniaturised element in the form of a cylinder. The system comprises a tube comprising an upper part, a median part and a lower part, the upper part being provided with an orifice into which the element is inserted and enabling displacement of the element as far as the median part that has a diameter slightly greater than the diameter of the cylinder forming the element, the lower part being connected to means for controlled injection of a gas to inject a gas inside the tube so as to levitate the element to the required height in the median part of the tube, the lower part of the tube being provided with an element removal orifice, the tube also comprising means of dissipating static electricity inside the tube. Application for characterisation of miniaturised radioactive sources.
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