TappingMode AFM
Withdraw the Tip
142
Dimension 3100 Manual
Rev. D
9.2.11 Optimize Scan Parameters
The procedure to optimize the scan parameters is similar to that of Contact Mode.
1. In the
Scan
Controls
panel, set
Slow scan axis
to
Disabled
.
2. Select
View
>
Scope Mode
.
3. Observe the agreement between the trace and retrace lines. Adjust the
Scan
rate
,
Gains
, and
Amplitude
setpoint
to bring these two lines in to coincidence. A more detailed discussion of
these parameters can be found in
.
9.3
Withdraw the Tip
1. Select
Withdraw
from the
Motor
menu. The SPM stops scanning, and ascends to the
sample clearance height defined in the
SPM Parameters
menu.
2. Select the
Stage
>
Load New Sample
option to replace or move the sample.
3. Use the
Focus Surface
command to move the SPM up if you desire more clearance between
the tip and sample.
CAUTION:
Never withdraw samples without verifying that the tip has
adequate clearance during the entire sample removal sequence.
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