ZYGO KMS-310, Supervisor Manual

Page: 284 / 304

8-18 Chapter 8: Maintenance
6. Focus the phase telescope on the blades of the aperture diaphragm.
L
Note: Do not change the focus for the phase telescope once it has been set. If you use
the phase telescope for this microscope only, it will not be necessary to refocus once you
remove it.
7. Use the primary condenser and vertical/horizontal adjustment knobs to
focus and center the primary light source.
8. If you are aligning a Nikon Model 4 (with rear mirror assembly), use the
mirror adjustment knobs to focus and center the secondary light source in
the field of view.
9. Load a substrate onto the stage.
10. Focus on an object first at 10X, then at 100X.
11. Use the primary condenser knob to contract the arc uniformly in all
directions. (If you turn the knob in the wrong direction, the image will go
out of focus.)
L
Note: The direction of rotation can change, depending on where the eccentric drive pin is
located with respect to the condenser.
12. If the illumination does not contract uniformly from all directions, move the
lamp's horizontal and vertical knobs to position the light source so that you
can contract the light source evenly out of the field of view.
When the dark borders of the evenly expanded lamp arc are expanded
slightly out of the field of view, the primary beam is properly aligned.