220787 ⎘
Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Filters comprising resonators of piezo-electric or electrostrictive material; Multiple crystal filters implemented with thin-film techniques comprising a plurality of piezoelectric layers acoustically coupled
Sub-classes:RADIO FREQUENCY ACOUSTIC DEVICE WITH LATERALLY DISTRIBUTED REFLECTORS
#2RADIO FREQUENCY ACOUSTIC DEVICE WITH LATERALLY DISTRIBUTED REFLECTORS
#3ELECTRONIC PACKAGES COMPRISING STACKED BULK ACOUSTIC WAVE (BAW) RESONATOR and BAW RESONATOR FILTERS
#4Bulk acoustic wave resonator with multilayer piezoelectric structure
#5Bulk acoustic wave resonator with a mass adjustment structure and its application to bulk acoustic wave filter
#6Guided acoustic wave device
#7Transverse bulk acoustic wave filter
#8Method for manufacturing a piezoelectric device
#9Tunable film bulk acoustic resonators and filters
#10Electrical resonator
#11Acoustic wave filter and duplexer
#12Method of fabricating rare-earth doped piezoelectric material with various amounts of dopants and a selected C-axis orientation
#13ACOUSTIC WAVE FILTER
#14Bulk acoustic wave resonator comprising bridge formed within piezoelectric layer
#15Method of fabricating piezoelectric materials with opposite C-axis orientations
#16Acoustic wave device
#17Acoustic resonator comprising an electret and method of producing said resonator, application to switchable coupled resonator filters
#18Piezoelectric resonator operating in thickness shear mode
#19Method of manufacturing an electrical resonator
#20Single cavity acoustic resonators and electrical filters comprising single cavity acoustic resonators
#21Resonant device, communication module, communication device, and method for manufacturing resonant device
#22Bulk acoustic resonator electrical impedance transformers
#23Bulk acoustic wave device
#24ACOUSTICALLY COUPLED RESONATORS AND METHOD OF MAKING THE SAME
#25Tuning-fork-type bimorph piezoelectric vibrator and vibrating gyroscope module including the vibrator
#26Thin film bulk acoustic wave resonator and filter, and radio frequency module using them
#27Switchable filter with resonators
#28Surface mounted resonator having cap means and method of forming the same using insulating ceramic substrate
#29Component with a piezoelectric functional layer
#30Acoustically coupled resonators and method of making the same
#31Ultrasonic element
#32Bulk acoustic wave resonator and circuit comprising same
#33Piezoelectric resonator and electronic component provided therewith
#34Adjustable filter and method for adjusting the frequency
#35Filter device utilizing stacked resonators and acoustic coupling and branching filter using same
#36Component functioning with bulk acoustic waves having coupled resonators
#37BAW resonator having piezoelectric layers oriented in opposed directions