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playground:alphatross

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playground:alphatross [2022/06/03 11:36]
leblanc Remove waiting step, add camera position, fix capitalization.
playground:alphatross [2022/06/08 09:05] (current)
leblanc Same as last revision, which didn't have any changes.
Line 45: Line 45:
         - Source is still grounded.         - Source is still grounded.
         - Source is dirty and requires service.         - Source is dirty and requires service.
 +  - Set the Oven Voltage to 80 V.
   - Set Extractor Voltage to 5kV.   - Set Extractor Voltage to 5kV.
   - Set Bias Voltage to a value that gives desired injection energy. ​ Typical values are at least 53keV.   - Set Bias Voltage to a value that gives desired injection energy. ​ Typical values are at least 53keV.
Line 55: Line 56:
     - Primary adjustment at this stage seems to be focus voltage.     - Primary adjustment at this stage seems to be focus voltage.
     - Current may be on the order of 30 μA.     - Current may be on the order of 30 μA.
-  - Set the Oven Voltage to 80 V. 
   - Set Einzel Lens to 20 kV.   - Set Einzel Lens to 20 kV.
   - Wait until the Oven Temperature is at least 160 C, 10 - 20 minutes.   - Wait until the Oven Temperature is at least 160 C, 10 - 20 minutes.
playground/alphatross.txt · Last modified: 2022/06/08 09:05 by leblanc