Wafer Sheet Resistance and Ohms Per Square - Four Point Probes

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Uploaded by on Jun 10, 2009

Check the resistance of wafers with a four point probe you can build at home. The rule of ohms per square can be used to calculate diffused resistors.

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Education

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  • nice intro to four point probe methods. Thank you.

  • @raoul4 V is the US sign for voltage. U is used in some other countries like here in Germany.

  • isn't it U (voltage) over I (current)? nice though :-)

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