Agilent Technologies E5500 Series Betriebsanweisung Seite 157

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Closed-Loop Scanners 9
Agilent 5500 SPM User’s Guide 157
11
Adjust the X Sensor values:
a If the line slopes down from the upper left part of the graph,
select the Reversed check box in the X Sensor area of the
Scanner Setup window.
b Adjust the Offset to shift the line up or down until the left end is
close to -10 V.
c Adjust the X Sensor Gain to adjust the slope until the right end
of the line is close to +10 V.
The graph should now appear as in Figure 108.
Figure 108 Cross-section after Offset and Gain values optimized
12 Change the scan angle to 90 degrees and repeat step 11 for the Y
Sensor.
13 In the Scan and Motor window’s Advanced tab select the Enable
Closed Loop check box. The scanner will now function in
closed-loop mode.
14 Place a calibration grating on the standard sample plate and mount
the plate on the microscope.
15 Align the grating in both the X and Y axes.
16 Perform all the Contact Mode imaging steps described in Chapter 5
to achieve a good image of the grating.
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