A vibrating gyro which includes a vibrator formed by joining two piezoelectric substrates, which are polarized in opposite directions, by a metal layer. Electrodes are formed on the main outer surfaces of the piezoelectric substrates. One of the electrode is split into six electrode portions. As the...http://www.google.com/patents/US6013971?utm_source=gb-gplus-sharePatent US6013971 - Vibrating gyro and method of manufacturing the same