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Testing of service life of the bolt fastening used in electron microscopy
Habarka, Ondrej ; Radoš, Jiří (oponent) ; Krejsa, Jiří (vedoucí práce)
The goal of this bachelor’s thesis is to choose suitable material and its surface finish for bolt fastening with fine thread on specimen holder in electron microscope. The first part is overview of applicable materials and metal finishes that are non-magnetic, so they do not affect electron beam in microscope. Further the thesis deals with creating the test tool for life time testing of various spindle specimens. The final result of the thesis represents comparing tested materials and choosing the most suitable for real application.
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Modification of nanomanipulator used in electron microscope
Habarka, Ondrej ; Tkoč,, David (oponent) ; Krejsa, Jiří (vedoucí práce)
The goal of this master's thesis is to improve the smallest step performance of the nanomanipulator, that is used in electron microscope. The first part deals with analysis of the mechanism in order to find possible solutions. Further the thesis deals with testing the solutions such as optimizing stiffness of the pretension springs of the mechanism or changing lubrication of the worm drive of the mechanism. Result of the thesis is choice of the most suitable solution according to tests results and then modification of the nanomanipulator.
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Modification of nanomanipulator used in electron microscope
Habarka, Ondrej ; Tkoč,, David (oponent) ; Krejsa, Jiří (vedoucí práce)
The goal of this master's thesis is to improve the smallest step performance of the nanomanipulator, that is used in electron microscope. The first part deals with analysis of the mechanism in order to find possible solutions. Further the thesis deals with testing the solutions such as optimizing stiffness of the pretension springs of the mechanism or changing lubrication of the worm drive of the mechanism. Result of the thesis is choice of the most suitable solution according to tests results and then modification of the nanomanipulator.
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Testing of service life of the bolt fastening used in electron microscopy
Habarka, Ondrej ; Radoš, Jiří (oponent) ; Krejsa, Jiří (vedoucí práce)
The goal of this bachelor’s thesis is to choose suitable material and its surface finish for bolt fastening with fine thread on specimen holder in electron microscope. The first part is overview of applicable materials and metal finishes that are non-magnetic, so they do not affect electron beam in microscope. Further the thesis deals with creating the test tool for life time testing of various spindle specimens. The final result of the thesis represents comparing tested materials and choosing the most suitable for real application.
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