Insulation Verification Using Low Voltage and High Current Sensitivity

Authors

  • Tonko Garma
  • Željka Milanović
  • Ivan Marasović

Abstract

The classic approach for determining insulating resistance by using commercial testers is not reliable for testing different types of insulation, especially for cables with one conductor and nanoelectronic oxide-based devices (nanotransistors). In this paper an alternative low-voltage method for measuring insulation resistance based on strongly increased current sensitivity is proposed. The proposed method of measuring insulation resistance at low voltages is realized by using a high sensitivity Keithley SMU 2612 unit. The verification of the proposed method is made by measuring insulation resistance of medical Corkscrew Electrode and gate oxide resistance for nano-scaled MOSFET. Finally, results of measuring insulation resistance obtained by commercial testers and proposed method in the verification process are compared.

Author Biographies

Tonko Garma

Walter Schottky Institute, Tehnical University of Munich

Željka Milanović

Faculty of Engineering, University of Rijeka

Ivan Marasović

Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, University of Split

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Published

2012-06-18

Issue

Engineering Review, Vol. 32, No. 2

Section

Articles

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