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Browse by Category: Main > Electrical & Energy
Class Information
Number: 310/324
Name: Electrical generator or motor structure > Non-dynamoelectric > Piezoelectric elements and devices > Combined with resonant structure > Diaphragm
Description: Subject matter in which the resonant structure is a diaphragm mechanically associated with the piezoelectric element, the combination being resonant at the operating frequency of the piezoelectric element.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
8710716 Actuator, actuator structure and method of manufacturing actuator Apr. 29, 2014
8692441 Method for forming an ultrasonic transducer, and associated apparatus Apr. 8, 2014
8692631 Bulk acoustic wave resonator and method of fabricating same Apr. 8, 2014
8686619 Piezoelectric actuator, liquid transport apparatus, and method for producing piezoelectric actuator Apr. 1, 2014
8680746 Piezoelectric actuator and electronic device Mar. 25, 2014
8664830 Ultrasonic device Mar. 4, 2014
8648671 Bulk acoustic wave resonator structure, a manufacturing method thereof, and a duplexer using the same Feb. 11, 2014
8624466 Component having stress-reduced mounting Jan. 7, 2014
8610333 Acoustic wave devices Dec. 17, 2013
8586195 Method for forming an acoustic mirror with reduced metal layer roughness and related structure Nov. 19, 2013
8584330 Method for manufacturing a piezoelectric actuator Nov. 19, 2013
8575822 Piezoelectric/electrostrictive actuator Nov. 5, 2013
8569927 Piezoelectric actuator unit and liquid transporting apparatus Oct. 29, 2013
8569931 Piezoelectric vibrator and electronic device using same Oct. 29, 2013
8569930 Piezoelectric actuator and audio components Oct. 29, 2013
8549716 Method for manufacturing a piezoelectric actuator Oct. 8, 2013
8544157 Method for producing a liquid transport apparatus Oct. 1, 2013
8539655 Fabrication process for a piezoelectric mirror device Sep. 24, 2013
8536763 Ultrasonic transducer, ultrasonic sensor, method of manufacturing ultrasonic transducer, and method of manufacturing ultrasonic sensor Sep. 17, 2013
8524571 Vacuum wafer level packaging method for micro electro mechanical system device Sep. 3, 2013
8525619 Lateral acoustic wave resonator comprising a suspended membrane of low damping resonator material Sep. 3, 2013
8519599 Piezoelectric actuator unit and liquid transporting apparatus Aug. 27, 2013
8492959 Structure for bonding metal plate and piezoelectric body and bonding method Jul. 23, 2013
8492957 Apparatus for generating electric energy Jul. 23, 2013
8487513 Piezoelectric actuator Jul. 16, 2013
8476804 Piezoelectric MEMS element, voltage control oscillator, communication apparatus, and method of manufacturing piezoelectric drive type MEMS element Jul. 2, 2013
8466604 Vibration actuator module having smaller elastic modulus than vibrated body Jun. 18, 2013
8456258 Bulk acoustic wave resonator disposed on a substrate having a buried cavity formed therein providing different substrate thicknesses underneath the resonator Jun. 4, 2013
8456060 Vibrating element flow measurement apparatus Jun. 4, 2013
8436516 Resonator device including electrode with buried temperature compensating layer May. 7, 2013
8415860 Spring disc energy harvester apparatus and method Apr. 9, 2013
8390177 Vibrating element apparatus Mar. 5, 2013
8384269 Electrostatic bonding of a die substrate to a package substrate Feb. 26, 2013
8384270 Pressure-balanced electromechanical converter Feb. 26, 2013
8384497 Piezoelectric resonator structure having an interference structure Feb. 26, 2013
8344595 Ultrasonic transducer, ultrasonic transducer array, and ultrasonic device Jan. 1, 2013
8344587 Capacitive electro-mechanical transducer, and fabrication method of the same Jan. 1, 2013
8330323 Thermal-mechanical signal processing Dec. 11, 2012
8330556 Passivation layers in acoustic resonators Dec. 11, 2012
8319396 Piezo-electric actuator and electronic device Nov. 27, 2012
8299685 High power ultrasonic transducer Oct. 30, 2012
8284964 Compound membrane, method of manufacturing the same, and acoustic device Oct. 9, 2012
8278726 Controlling electromechanical behavior of structures within a microelectromechanical systems device Oct. 2, 2012
8251483 Mitigation of shorted fluid ejector units Aug. 28, 2012
8253301 Electronic component and method for manufacturing electronic component Aug. 28, 2012
8247954 Electronic component device and method for manufacturing the same Aug. 21, 2012
8248185 Acoustic resonator structure comprising a bridge Aug. 21, 2012
8237332 Piezoelectric acoustic transducer and method of fabricating the same Aug. 7, 2012
8222970 Resonant device, communication module, communication device, and method for manufacturing resonant device Jul. 17, 2012
8210831 Piezoelectric pump Jul. 3, 2012

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