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FEI Tecnai G
2
F20 Operating
Procedures
(6/01/2017)
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1. Startup
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1. Sign-up in the microscope log-book
2. Startup the software if not already running: Start the software in this
sequence:
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1. Tecnai User Interface
2. Digital Micrograph
3. TIA (TEM Imaging and Analysis)
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3. Check the vacuum: Look at the Vacuum panel under the Setup menu. The
GUN, COLUMN and CAMERA values should look like the ones below and
highlighted in green. Gun will always be 1 Log.
4. Fill the cold-trap dewar with LN
2
: Cover the screen window first. Fill the dewar
until it is full. If you are the first user of the day, refill it again after 30 minutes.
Refill the LN
2
at least every 3 hrs to keep it full
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5. Inserting the specimen holder
Room temperature sample
There are two things to check prior to inserting the specimen holder:
(a) Under the Search tab, in the Stage
2
menu, click on the flap-out menu and click
Control then Holder. This will reset X, Y, Z, and α on the stage and avoid damaging the