Surface acoustic wave device
A surface acoustic wave device is provided which can increase the acoustic velocity of a surface acoustic wave the electromechanical coupling coefficient k 2 , and which is inexpensive. A surface acoustic wave device (1) includes a piezoelectric substrate in which a LiNbO 3 single-crystal plate (3)...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
01.04.2015
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| Subjects | |
| Online Access | Get full text |
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| Abstract | A surface acoustic wave device is provided which can increase the acoustic velocity of a surface acoustic wave the electromechanical coupling coefficient k 2 , and which is inexpensive. A surface acoustic wave device (1) includes a piezoelectric substrate in which a LiNbO 3 single-crystal plate (3) having Euler angles (0°, 67° to 160°, -5° to +5°) or (90°, 51° to 133°, -5° to +5°) is formed on a high acoustic-velocity substrate (2) in which an acoustic velocity of a transverse wave is 5400 m/sec or higher and 8660 m/sec or lower, and an electrode (4) formed on the piezoelectric substrate and made of metal. |
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| AbstractList | A surface acoustic wave device is provided which can increase the acoustic velocity of a surface acoustic wave the electromechanical coupling coefficient k 2 , and which is inexpensive. A surface acoustic wave device (1) includes a piezoelectric substrate in which a LiNbO 3 single-crystal plate (3) having Euler angles (0°, 67° to 160°, -5° to +5°) or (90°, 51° to 133°, -5° to +5°) is formed on a high acoustic-velocity substrate (2) in which an acoustic velocity of a transverse wave is 5400 m/sec or higher and 8660 m/sec or lower, and an electrode (4) formed on the piezoelectric substrate and made of metal. |
| Author | KADOTA MICHIO |
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| Notes | Application Number: CN201080045849 |
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| RelatedCompanies | MURATA MANUFACTURING CO., LTD |
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| Snippet | A surface acoustic wave device is provided which can increase the acoustic velocity of a surface acoustic wave the electromechanical coupling coefficient k 2 ,... |
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| SubjectTerms | BASIC ELECTRONIC CIRCUITRY ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS |
| Title | Surface acoustic wave device |
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