Advertisement
d. From the TEM Brightfield page, PRESS
CompuStage; the CompuStage Register
Control page will appear.
e. PRESS the Alpha Wobbler key and the stage
will automatically rock through a tilt range
of +/- 15°.
f. USE the Z control lever on the Joystick to move
the specimen up or down to MINIMIZE the
apparent movement.
g. When completed, PRESS the Alpha Wobbler key
to deactivate the stage rocking and then PRESS
the Ready button to return to TEM Brightfield.
8. Beam Alignment
a. USING the Magnification knob, select a magnification of 17,500x.
b. PRESS the Modes key on the CRT screen to access the Mode Selection page, and then
PRESS Configuration. The Configuration page displays the Filament Heating status and
provides a schematic of the available apertures (Aperture Memo) for the condenser
2 (C2), objective, and selected area lenses. Under Cathode, at the top of the page,
LaB6 should be highlighted, indicating that a LaB6 filament is in use. Fil Limit should
be highlighted next to the number (usually between 22 and 30) indicating the
2017.07.07
11
Advertisement
