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National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Ionization Detector for Variable Pressure SEM
 Černoch, David ; Špinka, Jiří (referee) ; Jirák, Josef (advisor)
This graduation theises deal with influence of an additional grating possitioned berween the sample and the ionisation detektor of the environmental scannin elektron microscope on signal detection. Signal level is measured for changing pressure, at different voltages on the aditional grating, at different sample - additional electrode distance and at different sample - detektor distance. Influence of the additional grating is simulated for real working conditions on PC.
Detailed record
Method for evaluation of signal level value in environmental SEM
 Kršňák, Jiří ; Tihlaříková, Eva (referee) ; Čudek, Pavel (advisor)
This work deals with the evaluating of the signal level value from the sample in the environmental SEM. In work there were processed the comparison of the osciloscopic method for the evaluating of the signal level value in the environmental SEM, the method for the evaluating of the signal level from the grey level of the sample images and the method for the evaluating of the signal level from the osciloscop. There are described the advantages and disadvantages of the methods and procedures for processing the methods.
Detailed record
Ionization Detector for Variable Pressure SEM
 Černoch, David ; Špinka, Jiří (referee) ; Jirák, Josef (advisor)
This graduation theises deal with influence of an additional grating possitioned berween the sample and the ionisation detektor of the environmental scannin elektron microscope on signal detection. Signal level is measured for changing pressure, at different voltages on the aditional grating, at different sample - additional electrode distance and at different sample - detektor distance. Influence of the additional grating is simulated for real working conditions on PC.
Detailed record

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