Apparatus for the transfer and in-situ reactions under a controlled atmosphere, of specimens for transmissive electron microscopy

Claim 1

Device for the transfer and in-situ reactions under a controlled atmosphere, of specimens for transmissive electron microscopy, essentially constituted by a cylindrical rod (1) of slight diameter comprising, near one end, two grid holders (2) and slidably mounted in a cover (3) of greater diameter provided with a sealed chamber (4) for housing the grid holders (2) in transport position, by a traction bar (5) integrated with the end of the rod (1) of slight diameter opposite the grid holders (2), guided in the cover (3) of greater diameter and provided at its other end with a manipulating button (6), the grid holders (2) being advantageously arranged in a flat (8) of the end of the end of the rod (1) and the cover (3) being advantagiously formed in two parts and having a front part (3') of lesser diameter intended to penetrate into the gate of the microcope and provided with a longitudinal opening (9) corresponding at least to the section of the grid holders of the rod (1) in analysis position of this latter, characterized in that it is additionally provided with a means (7) for guiding and locking in transport and analysis positions of the rod (1) provided with the grid holders (2), the said rod (1) being advantageously integrated by screwing with the corresponding end of the traction bar (5) which is guided in the cover (3), of which the opening (9) of the front part (3') of lesser diameter is extended over a portion of the length of this front part (3'), on both sides, by longitudinal grooves (10), the said front part (3') being connected to the rest of the cover (3) by screwing of a shouldered portion (11), a gasket (13') effecting sealing at the level of the screwed assembly.