Hello, I have a Hitachi S3500N tungsten SEM and im interested in mapping  DC current distributions in my samples. My Hitachi affiliate offerd me an equipment that they make called the "NanoPico". it is a current amplifier that has an output that can be connected to the SEM to obtain an image. My question is if any one has used it could you provied your insight or perhaps examples. or if any one knows of another option that would be helpful too. 

Thank you

Victor I Hernandez

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