摘要 |
<p>The specimen holder comprises a support and a device for moving, in relation to the latter, a plate comprising a specimen. The support (10) forms a support surface (12) for the plate (14) and is provided with a device (16) holding by force the plate (14) against said surface (12). The device for moving the plate comprises two actuators (20, 22) each having a part (20a, 22a) serving for connexion with the plate, and being movable from a position remote from the plate to one in contact with the latter, said part being in addition guided in two directions (X, Y) parallel to the plane of the support surface. Monitoring and control of the movement of the plate (14) in relation to the support surface (12) are preferably effected by means of correlation between a reference particle radiation image and one or more images taken during and/or after movement of the plate (14) in relation to the support surface (12) of the support (10).</p> |