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Stage System

Stage Menu Commands

Rev. D Dimension 3100 Manual 73

2. To load a new sample, click OK. The head raises to the Load/Unload height, and the stage

indexes to the front-center position.

Note: Verify that the tip is still usable. If the tip has been used for a lengthy period, or

if damage is suspected, change the tip now per instructions provided in Chapter

7 of this manual.

3. To release the vacuum chuck’s hold on a sample, use the pneumatic toggle switch located on

the upper-right corner of the electronics box. When the vacuum is released, remove the

sample.

4. Verify that the stage and vacuum chuck are clean of debris. If debris is present, clean the

stage using a lint-free wipe and isopropyl alcohol. Dispose of wipes in an appropriately

labelled solvent-contaminated waste container.

5. Place the new sample on the stage.

6. Verify that the sample is centered and seated flat against the chuck’s contact points.

7. Activate the vacuum chuck by toggling the vacuum chuck switch. Select Stage > Load New

Sample to move the stage back.

5.2.2 Locate Tip

When installing new tips, execute the locate tip function before focusing on the sample surface.

This function enables the operator to ﬁnd the probe tip using the optical system. To locate the tip,

complete the following:

1. Verify that a tip is installed in the probe tip holder, then select Stage > Locate Tip

option or use the tool bar icon.

Note: The screen displays a caution indicating that the microscope objective is in

motion (see Figure 5.2b).

Figure 5.2b Moving to Tip Position Caution

Note: As the objective moves positions, the tip should begin to come into focus.

When the focus position is attained, the screen displays trackball instructions

for achieving a focus (see Figure 5.2c).

Stage

Moving to tip position

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Dell 3100 Spezifikationen Seite 93