The Nanoscale World

Low Sum-signal E-scope

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posted on Thu, Jan 7 2010 6:17 PM

Currently we're having a very low SUM-signal (0.3V) on our E-scope.
Does someone has any experience with this tool? Any suggestions, tricks on how to increase the signal?
The same tips we use give a much higher sum signal on our other dimension tools, so it's not a tip problem.

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replied on Thu, Jan 7 2010 6:19 PM

We had low SUM on one of our Dimension 3100's and ended up

 sending the scanner head to Veeco for repair (can't remember if they

 swapped the laser, the detector, or something in between).

They provided a loaner scanner so we could keep working in the meantime.

Repair was not too expensive.

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