Presentation | 1997/7/4 The New H-type LiTaO_3 Piezoelectric Gyroscope with High Sensitivity and Low Leakage Output Noboru Wakatsuki, Hiroshi Tanaka, Masaaki Ono, |
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Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | In this paper, we experimentally demonstrate the new H-type LiTaO_3 piezoelectric gyroscope with high sensitivity and low leakage output. It consists of an upper fork, a long rectangular median coupler and a lower fork. The new arrangement succeeds to vibrate only an upper fork in f_x mode but to vibrate both upper and lower forks in f_z mode, due to the high electromechanical coefficient of LiTaO_3 crystal. The Q values of f_x and f_z modes are 20,000 and 6,000. The null signal due to the electrostatic leakage, the electromechanical leakage and mechanical leakage coupling, were suppressed totally less than -86dB. In spite of the Δ f=400Hz, the sensitivity went up to 0.1lmV/(°/sec) driven 1 V_ |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | Piezoelectric vibratory gyroscope / Angular rate sensor / LiTaO_3 / Leakage coupling / New H-type resonator |
Paper # | CPM97-40 |
Date of Issue |
Conference Information | |
Committee | CPM |
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Conference Date | 1997/7/4(1days) |
Place (in Japanese) | (See Japanese page) |
Place (in English) | |
Topics (in Japanese) | (See Japanese page) |
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Paper Information | |
Registration To | Component Parts and Materials (CPM) |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | The New H-type LiTaO_3 Piezoelectric Gyroscope with High Sensitivity and Low Leakage Output |
Sub Title (in English) | |
Keyword(1) | Piezoelectric vibratory gyroscope |
Keyword(2) | Angular rate sensor |
Keyword(3) | LiTaO_3 |
Keyword(4) | Leakage coupling |
Keyword(5) | New H-type resonator |
1st Author's Name | Noboru Wakatsuki |
1st Author's Affiliation | Department of Electronics and Materials, Faculty of Science and Engineering, Ishinomaki Senshu University() |
2nd Author's Name | Hiroshi Tanaka |
2nd Author's Affiliation | Department of Electronics and Materials, Faculty of Science and Engineering, Ishinomaki Senshu University |
3rd Author's Name | Masaaki Ono |
3rd Author's Affiliation | Susaka Plant, Fujitsu Ltd. |
Date | 1997/7/4 |
Paper # | CPM97-40 |
Volume (vol) | vol.97 |
Number (no) | 150 |
Page | pp.pp.- |
#Pages | 6 |
Date of Issue |