SK=léÉê~íáçå
fåëíêìÅíáçå=j~åì~ä=^ìêáÖ~=`çãé~Åí
=
ÉåMP
=TN=çÑ=NSQ
pbj=çéÉê~íáçå
6.4.1.5. Switching on the EHT
’EHT’ stands for acceleration voltage. This voltage has to be applied to the gun in order to make
it emit electrons.
1
Watch the vacuum status messages on the
Vacuum
tab of the
SEM Control
panel.
When the required vacuum has been reached you
will see the message ’Vac Status = Ready’.
2
Go to the
Gun
tab.
3
Set the acceleration voltage:
a
Double-click in the
EHT=
field.
b
Enter the desired acceleration voltage in
the
EHT Target
field, e.g.
10 kV
.
c
Confirm by clicking on
OK
.
Содержание AURIGA Compact Crossbeam
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