Instruction manual

TappingMode AFM
Preparation Prior to Imaging
106 MultiMode SPM Instruction Manual Rev. B
3. Click the “minus box” in the upper left corner of the panel, and click Show all items.
The panel will once again appear in normal Realtime mode.
7.2.3 Check Parameters
Check that the Realtime control panel parameters are set within reasonable limits for
TappingMode operation. If you are uncertain what parameter settings to start with, try the values
below:
Panel Parameter Setting
Scan Controls Scan Size 1µm
X offset 0.00nm
Y offset 0.00nm
Scan angle 0.00°
Scan rate 1.00Hz
Number of samples 256
Slow scan axis Enabled
Feedback Controls Integral gain 0.500
Proportional gain 0.700
LookAhead gain 0.00
Setpoint
a
a. Setpoint is initially set by the software during engagement. It may be
adjusted up or down afterward.
Drive frequency
b
b. Drive frequency is determined during Cantilever Tune (Section 7.2.6).
Drive amplitude
c
c. Drive amplitude is determined during Cantilever Tune (Section 7.2.6).
Other Controls Z limit (set at maximum)
Engage Setpoint 1.00
Interleave Controls Interleave mode Disabled
(V)
3.6
6.0
7.2
8.4
10.8