Four Point Probe. Procedure for Pro4 using Keithley. Overview. What is Four Point Probing How the system works Pro 4 Set Up Simple Calculations behind Four Point Probing Procedure for using Pro4. What is Four Point Probing.
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Procedure for Pro4 using Keithley
The 4 point probing setup consists of 3 key components
The 4 point probing setup can measure resistivity or the thickness of a film. But, either one has to be known.
Probe head electrical connection
Mounting Chuck (Aluminum base with Teflon surface