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

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

New Industry Creation Hatchery Center (NICHe)

Mitsubishi Materials Corporation

Research output: Contribution to journal › Conference article › peer-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 language	English
Pages (from-to)	231-234
Number of pages	4
Journal	Proceedings - IEEE Ultrasonics Symposium
Volume	1
Publication status	Published - 1999
Event	1999 IEEE Ultrasonics Symposium - Caesars Tahoe, NV, USA Duration: 1999 Oct 17 → 1999 Oct 20

Cite this

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

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.",

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T1 - Experimental and theoretical analysis of SAW properties of the langasite substrate with Euler angle (0°, 140°, qq)

AU - Bungo, Akihiro

AU - Jian, Chunyun

AU - Yamaguchi, Kunio

AU - Sawada, Yoshihisa

AU - Kimura, Ryouhei

AU - Uda, Satoshi

PY - 1999

Y1 - 1999

N2 - 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.

AB - 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.

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AN - SCOPUS:0032613641

SN - 1051-0117

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JF - Proceedings - IEEE Ultrasonics Symposium

T2 - 1999 IEEE Ultrasonics Symposium

Y2 - 17 October 1999 through 20 October 1999

ER -

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

Abstract

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