Experimental and theoretical analysis of SAW properties of the langasite substrate with Euler angle (0°, 140°, qq)

Akihiro Bungo, Chunyun Jian, Kunio Yamaguchi, Yoshihisa Sawada, Ryouhei Kimura, Satoshi Uda

Research output: Contribution to journalConference articlepeer-review

43 Citations (Scopus)

Abstract

The numerical calculations by using new material constants were in good agreement with the experimental results of the temperature-related SAW properties on the langasite substrate with Euler angle (0°, 140°, qq). The temperature-related SAW properties as a function of the metal thickness of IDT were also experimentally investigated. It was revealed that a thicker metal leads to a lower turnover temperature. Furthermore we investigated the NSPUDT (natural single phase unidirectional transducer) properties of langasite with Euler angle (0°, 140°, 25°) experimentally. Its directivity was almost equal to one estimated by the calculation based on Coupling of Mode (COM) model. This NSPUDT property is a promising feature for the low-loss IF filter.

Original languageEnglish
Pages (from-to)231-234
Number of pages4
JournalProceedings of the IEEE Ultrasonics Symposium
Volume1
Publication statusPublished - 1999 Jan 1
Externally publishedYes
Event1999 IEEE Ultrasonics Symposium - Caesars Tahoe, NV, USA
Duration: 1999 Oct 171999 Oct 20

ASJC Scopus subject areas

  • Engineering(all)

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