5
MEASUREMENT OPERATION
5-194
TMPM5200-2
Electrostatic Force measurement tab window
•
Source signal
signal of the Electrostatic Force measurement tab window is set for
ixed
Since the source
measuring electrostatic force, you need not set it. The measurement pixels are f
at 256
×
256. When measurement starts, the images appear as follows:
Topography
(Topo Image)
Electrostatic
Image
The source signal settings at the electrostatic force measurement are as follows:
Scan
mode:
2
Inputs
op ra
•
Source Gain
Same as that of the AC-AFM tab window
•
Lock-in amplifier setting button
This button opens the Lock-in Amplifier Control window, which sets the extended
lock-in amplifier that is necessary for measuring electrostatic force. Details on
setting the lock-in amplifier will be provided later.
Source signal 1:
T og phy
Source signal 2:
LIA1 (Aux1)