209021 ⎘
Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof; Processes or apparatus specially adapted for the assembly, manufacture or treatment of piezo-electric or electrostrictive devices or of parts thereof; Shaping or machining of piezo-electric or electrostrictive bodies by machining by punching
ULTRASOUND TRANSDUCER
#2Ultrasonic transducer with a retracted portion on a side surface of the piezoelectric layer
#3Hollow laminated piezoelectric element and its manufacturing method
#4Lamination-type piezoelectric element and manufacturing method thereof
#5Moving mechanism using a piezoelectric actuator and a magnetic disk apparatus having such a moving mechanism
#6Method for manufacturing a comb teeth type piezoelectric actuator
#7Method for manufacturing a cell driving type actuator
#8Method for manufacturing a matrix type actuator