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Force Imaging

Force Calibration Control Panels and Menus

Rev. D Dimension 3100 Manual 219

Ramp Delay

This parameter sets the amount of time to wait with the piezo extended before retracting.

Reverse Delay

This parameter sets a delay to occur each time the piezo is retracted while continuously ramping.

Auto Offset

If the trigger is not achieved within a range twice the ramp size, then the retract will begin without

reaching the trigger voltage. Enabling this parameter allows the software to automatically move the

range to attempt to reach the trigger.

13.3.6 Menu Bar Commands

Capture

The Capture button stores the force plot for Ofﬂine viewing. Use other options in the

Capture menu to change a capture ﬁlename and for “continuous capture” of all the force plots

collected.

Probe Menu Commands

These commands allow for highly controlled tip movement designed to prevent damage to the tip.

Each of these commands has an icon to access directly from the menu bar.

• Run Continuous: The tip is continuously lowered and raised by a distance equal to the

Z scan size. This is the normal, default motion during Force Calibrate. “Raising” and

“lowering” are relative to your system (e.g., On Dimension Series SPMs, the tip is

raised and lowered to the surface; however, other SPMs raise and lower the sample

beneath the tip).

• Run Single: Lowers and raises tip once by a distance equal to the Z scan size, then

halts.

• Stop: Halts all tip movement.

Note: View additional menu subcommands by accessing the advanced Force Mode

command.

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