220403 ⎘
Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezo-electric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient; Resonance frequency Modification of the area of an element
Sub-classes:Electronic device and formation method therefor
#2Frequency adjustment method for piezoelectric resonator device
#3Method of producing a composite substrate
#4Frequency adjustment method of vibrator element
#5Method for manufacturing an ultrasonic transducer, biological sensor
#6Volume wave resonators on micromachined vertical structures
#7Manufacturing method for piezoelectric resonator device
#8Method of manufacturing a boundary acoustic wave device
#9Ultrasonic transducer, biological sensor, and method for manufacturing an ultrasonic transducer
#10Boundary acoustic wave device and method of manufacturing same
#11Acoustic wave device and filter
#12Manufacturing method of an array of BAW resonators with mask controlled resonant frequencies
#13PIEZOELECTRIC RESONATOR DEVICE, MANUFACTURING METHOD FOR PIEZOELECTRIC...
#14ARRAY OF BAW RESONATORS WITH MASK CONTROLLED RESONANT FREQUENCIES
#15Methods for manufacturing high intensity ultrasound transducers