JEOL JSPM-5200 Instructions Manual page 152

■ Acquir
ing an image
• A
uto Grab in the Contact Mode window is selected
Eve
• Auto Grab in the Contact Mode window is not selected
To acquire an image, click on the Grab button while it is being
W hen one image has been scanned, it is grabbed in the memory. At the same time,
the measurement im
specified program folder.
Scan is repeated as long a
image during repetition is not grabbed.
• The image is displayed after the offset for the input signals is automatically computed.
You can control the offset for the input s
mode.
■ Cautions in observing ima
In the Contact Mode, it is important to set the repulsive force that acts between the
specimen and the cantilever tip. Unless this setting is carried out correctly,
it be impossible to obtain
the cantilever. Set the repulsive force that acts between the specimen and the
tip u sing Reference.
S etti ng Reference to the – side reduces the repulsive force, wh
increases the repulsive for
Reference to the repul
sometimes separate from the specimen. As
In the contact mode, generally carry ou
force is sufficiently small so as not to damage the specimen. To this end, se
th e position in which the cantilever and the specimen are as close to each other as
p ossible.
H owever, in the case of a specimen that has low contrast because of large surface
irreg ularities or matter adhering to its surface,
scanning in the domain where the r
s ide). While scanning an image, change Referen
best image.
TMPM5200-2
ry time measurement finishes, images are automatically grabbed and stored.
age is auto
ges
a satisfactory image, but also you may damage the sp
ce. If you carry out an approach, setting to
sive force side where –2 V is exceeded, the cantilever may
matically st ored a
s you do not click on the Grab button and the acquired
ignals only
a result, you cannot obt
t scanning in the domain
it is sometimes a good idea to carry out
epulsive force is slightly large (Reference is on the +
ce a little at a time until you obtain the
５ MEASUREMENT OPERATION
scanned.
s a temporary storage file in the
in the Advanced operation
not only will
ile setting it to the + side
–2 V, and change
ain the image.
in w hich the repulsive
t Reference to
ecimen or
cantilever
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