Assembly of a Four Point Probe that Operates under the Van der Pauw Method
Abstract
The purpose of this experiment was to create a four point probe that would be able to take sheet resistance measurements in a lab setting. These results were then compared to an inline four point probe. The probe was assembled and was able to take successful sheet resistance measurements once in five attempts. The successful sheet resistance measurements of 29.23 Ω/□ did not match the measurements taken from the inline four point probe of 9.889 Ω/□. However, improvements to the four point probe were suggested and these improvements can be made next time in order to assemble a more consistent and efficient four point probe.
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