Background Pearls

Waht is Surface Resistivity (ps) ?

ρs is the resistance per unit surface of a sample and is also called sheet resistance. In order to distinguish this from resistance, it is written Ω/□ or Ω/sq.. Since …

Background Pearls

Resistivity Correction Factor (RCF)

The Resistivity Correction Factor (RCF) is changed with the sample shapes and sizes as well as measuring positions. In the 4-pin probe method, since the sample size or measuring position …