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5.5. Using the Quad mode
Procedure
1
Select
Quad
from the
Scanning
menu.
Note
The image screen is devided into 4 quad-
rants and an anchor is indicating the
selected quadrant.
2
Assign a BSD detector type to each quad-
rant.
•
Drag the anchor to the first quadrant,
select
BSD4 A
in
SEM Control panel/
Detectors tab
and select segments for
BSD A (for eS4 / -S2) in the
BSD Control panel
.
•
Drag the anchor to the second quad-
rant, select
BSD4 B
and select BSD
mode (for eS1 / -S3) for
BSD4 B.
•
Drag the anchor to the third quadrant,
select
BSD4 C
and select BSD mode
(for eS2 / -S4) for BSD4 C.
•
Drag the anchor to the fourth quadrant,
select
BSD4 D
and select BSD mode
(for eS3 / -S1) for BSD4 D.
Note
The four BSD detector images are shown
on the screen and can be recorded simul-
taneously with one scan.
3
Adjust brightness and contrast for the quad-
rant 1.
4
In the
BSD Control panel
, click
Equalise B/C
.
Note
The brightness and contrast values of the
actual quadrants is set to three ofter quadrants.
