JEOL JSPM-5200 Instructions Manual page 102

Loop Gain
Click on the
pull-down menu.
The setting determines the gain of the feedback circuit. The larger the set value, the
higher the response gain, letting you obtain a good image from an uneven specimen
surface. In this case, however, the feedback circuit readily oscillates.
Source Gai n
Click on the Source Gain TOPO
N ow you have completed the parameter settings for observing a n MFM image in
A C mode.
■ Adjusting a cantilever
Carry out the procedure in Section 5.4.1, " Adjusting a cantilever resonance
point."
■ Approach
Carry out the procedure in Section 5.4.1, "Approach."
■ Observing n image and lift setting
a
1.
Click on the Lift button in the MFM tab window to open the l
2.
Double-click on the lift height entry box; input 100.000 (nm) using the
keyboard; then press the Tab key.
3.
Click on the Scan button to start scanning. The topographical image and
MFM image appear.
TMPM5200-2
button in the Loop Gain selection box and select 8 from the
resonance p oint
５ MEASUREMENT OPERATION
button and select 1.
ift control window.
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