16×2 thermally actuating and sensing probe array

Ching Hsiang Tsai*, Chao Chiun Liang, Chien-Wen Hsieh, Wei Chih Lin, Yuh Wen Lee

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

This paper developed an active scanning probe array. The probe array consists of 16×2 probes thermally actuating and sensing. The 32 probes are integrated with Ti/Pt temperature sensors and bimorph thermal actuators. Each probe is a Si3N4 cantilever equipped with a sharp nano scale pyramid tip at its free end. When one of the probes is actuated, its neighboring probes can provide temperature sensing feedback. The temperature coefficient of resistance (TCR) of the embedded Ti/Pt sensor of each probe is 2100 ppm °C-1, and the micro thermal actuator shows good reliability after 500 cycles over specification continuous actuating test.

Original languageEnglish
Pages (from-to)111-114
Number of pages4
JournalTamkang Journal of Science and Engineering
Volume7
Issue number2
DOIs
StatePublished - 1 Jun 2004

Keywords

  • Scanning Probe Microscope
  • Thermal Actuator Integrated Probe Array

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