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Transfer mechanism for transferring a specimen

A transmission mechanism and sample technology, applied in the direction of sampling, discharge tube, instrument, etc., can solve the problem that the mutual position cannot be well defined

Active Publication Date: 2010-06-23
FEI CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But since the mutual position is not well defined, this introduces additional problems when interfacing the transfer mechanism with the TEM

Method used

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  • Transfer mechanism for transferring a specimen
  • Transfer mechanism for transferring a specimen
  • Transfer mechanism for transferring a specimen

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] figure 1 Schematic representation of a cross-sectional view of the transport mechanism of the invention, where the geometry of the holder forms the mechanical guide system.

[0031] The sample 1 is mounted on a TEM sample grid 2 in a manner known to those skilled in the art.

[0032] first holder 10 A shaft 11 with an end 12 is included. The tip 12 is equipped with a gripper 13 . Such grippers are commercially available from Zyvex Corporation as the Zyvex NanoEffector TM Microgripper modelBB series. Holder 10 Additionally equipped with two ends 15 a and 15 b , each having a convex surface 16 a and 16 b .

[0033] Likewise the second holder comprises a shaft 21 with an end 22 . The tip 22 is equipped with a gripper 23 . second holder 20 Also equipped with two terminal 25 a know 25 b , each having a terminal 15 used with a and 15 b The convex surface of 16 a and 16 b Collaborative convex surfaces 26 a and 26 b .

[0034] in two holders 10 and 20 D...

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Abstract

The invention relates to a transfer mechanism for transferring a specimen (2) from a first position in a first holder ( 40 ) to a second position in a second holder ( 10 ) and / or vice versa, each holder ( 10 , 40 ) equipped to detachably hold the specimen, the transfer of the specimen between the holders taking place in a transfer position different from the second position, characterized in thatwhen the specimen is transferred between the holders ( 10 , 40 ) a mechanical guidance mechanism positions the holders with a mutual accuracy higher than the mutual accuracy in the second position, and said mechanical guidance mechanism not positioning at least one of the holders ( 10 , 40 ) when the specimen is in the second position. The mechanical guidance mechanism may comprise extra parts ( 50 ). At least one of the holders ( 40 ) may be equipped to hold a multitude of specimens.

Description

technical field [0001] The invention relates to a transfer mechanism for transferring a sample from a first position in a first holder to a second position in a second holder and / or vice versa, each holder being equipped to be detachable The sample is held in a stable manner, and the transfer of the sample between the holders is performed in a transfer position different from the second position. Background technique [0002] Such a transport mechanism is known from C.S. Potter et al., J. Struct. Biol. 146(3), "A robotic grid loading system for transporting electron microscopes", June 2004 (pp. 431-440). [0003] Such a transport mechanism is in use as part of, or in conjunction with, eg a particle optics instrument. Such particle optics are used for the examination and / or analysis of samples, eg water from water production processes or eg samples taken from biological tissue. [0004] A known transport mechanism operates in conjunction with a transmission electron microsc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J37/20H01J37/244G01N1/00
CPCH01J37/20
Inventor E·P·范加斯比克P·多纳P·J·L·巴伦德斯I·J·B·范希斯G·J·范德沃特J·A·M·范登奥特拉尔
Owner FEI CO