Piezoelectric vibrator, method for adjusting piezoelectric vibrator, piezoelectric actuator, timepiece, and electronic device

• Main Authors: SAWADA AKIHIRO, SEKI SHIGEAKI, KAYAMORI SUSUMU
• Format: Patent
• Language: Chinese; English
• Published: 26.05.2010
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; ELECTROMECHANICAL CLOCKS OR WATCHES; FOR PERFORMING MECHANICAL WORK IN GENERAL; GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL; GENERATION; HOROLOGY; METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY; PERFORMING OPERATIONS; PHYSICS; TRANSPORTING

To provide, via a simple method, a piezoelectric vibrator wherein nonuniformities in the adjusted amounts of the characteristic frequencies are small, and the characteristic frequencies can be adjusted with little decrease in the vibration characteristics, whereby individual differences pertaining t...