TMPM5200-2
5-111
Meas
•
To
lick on the Grab button during the measurement.
To change the display style of the Force Curve, change it using the Plot Parameters
after grabbing the Force Curve.
).
t/nm value in the SPS Parameters window
urement result
grab the measured Force Curve, c
•
item of the Display menu
•
If the Force Curve goes out of the linear region and becomes saturated in the
repulsive-force domain, as shown below, it means that the measurement has been
attempted outside the measurable range of the detector and the A/D converter (
±
10 V
In such a case, change the Tip Displacemen
to a smaller value.
Saturated
The relationship among Tip Displacement/nm,
d Reference/V is
shown in the figure below.
Tip Offset/nm an
Reference/V
Tip Displacement
Tip offset
refore, when the Reference/V value is set to 0 V, feedback is carried out at the
nt where the Force Curve crosses the 0 V axis.
he Force Curve is not obtained correctly, it usu
The
poi
If t
ally means that approaching has
not been properly performed.
If the data obtained is something like the above, that means that the cantilever tip has
not yet approached the specimen surface.
