A wireless surface acoustic wave temperature sensor using langasite as substrate material for high-temperature applications

Shou Qi Wang, Jiro Harada, Satoshi Uda

研究成果: Article査読

42 被引用数 (Scopus)

抄録

A wireless surface acoustic wave (SAW) temperature sensor was produced using langasite single crystal as a piezoelectric substrate. The properties of both solid-electrode and split-electrode interdigital transducers (IDTs) were studied by fitting the admittance curves. A miniature antenna was used and the impedance matching technique between the antenna and the IDT was investigated. The temperature characteristic in the temperature range of 20-700°C was measured. The results showed that both the SAW chip and the antenna functioned in this temperature range.

本文言語English
ページ(範囲)6124-6127
ページ数4
ジャーナルJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
42
9 B
DOI
出版ステータスPublished - 2003 9
外部発表はい

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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