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3P3-10 Ultra Wide Band Resonator composed of Grooved Cu-Electrodes and its Application(Poster Session)
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- Kadota Michio
- Murata Mfg. Co., Ltd
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- Kimura Tetsuya
- Murata Mfg. Co., Ltd
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- Ida Yasuyuki
- Murata Mfg. Co., Ltd
Bibliographic Information
- Other Title
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- 3P3-10 高密度Cu溝電極からなる広帯域共振子とその応用(ポスターセッション)
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Description
A leaky surface acoustic wave on 0-15°YX-LiNbO_3 has a large electro-mecahnical coupling factor, but it has a leaky component. In order to change to Love wave without its leaky component, Au or Cu electrode with a low velocity has been used. It was reported that a resonator composed of a Cu-electrode/15°YX-LiNbO_3 had wide bandwidth of 12%. This time, authors attempted to fabricate an one-port resonator composed of a grooved Cu-electrode/4°YX-LiNbO_3. As the result, it had a wider bandwidth of 17% of 1.3 times and higher resonant and anti-resonant frequencies of 1.3 times than that on Cu electrode on 4°YX-LiNbO_3. This resonator was applied to a tunable filter, and the tunable filters having tunable range of 7% in center frequency was realized.
Journal
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- Proceedings of Symposium on Ultrasonic Electronics
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Proceedings of Symposium on Ultrasonic Electronics 30 (0), 495-496, 2009-11-18
Institute for Ultrasonic Elecronics
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Details 詳細情報について
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- CRID
- 1390001288093065088
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- NII Article ID
- 110007721807
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- ISSN
- 24331910
- 13488236
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- Text Lang
- en
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed