Functional passive sensor system using reflective SAW delay line

T. Nomura, T. Kosaka, A. Saitoh

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

A new RFID tag system has been designed by utilizing a reflective surface acoustic wave (SAW) delay line. A shear horizontal mode SAW (SH-S AW) has the unique characteristic of complete reflection at an edge normal to the direction of propagation. The characteristic makes it possible to construct a reflective delay line. In this paper, a reflective SAW delay line is utilized to fabricate a passive sensor and radio frequency identification (RFID) tags. Experimental results showed that the reflective delay lines are very suitable in making SAW RFID tags. Moreover, some applications of the SH-SAW RFID tags are demonstrated for measurement of the acoustic properties of liquids and strain of solid.

Original languageEnglish
Title of host publicationMaterials Research Society Symposium Proceedings
Pages173-184
Number of pages12
Publication statusPublished - 2006 May 8
Event2005 Materials Research Society Fall Meeting - Boston, MA, United States
Duration: 2005 Nov 282005 Dec 1

Publication series

NameMaterials Research Society Symposium Proceedings
Volume888
ISSN (Print)0272-9172

Conference

Conference2005 Materials Research Society Fall Meeting
CountryUnited States
CityBoston, MA
Period05/11/2805/12/1

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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