220618 ⎘
Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details of surface acoustic wave devices; Details concerning reflective or coupling arrays Weighted reflective structures
Sub-classes:Elastic wave device, high-frequency front-end circuit, and communication device
#2Elastic wave device
#3Antenna sharer with a ladder filter
#4Surface acoustic wave element, method of producing the same, and method of changing resonation frequency of the same
#5Surface acoustic wave device with reflection electrodes having pitches that vary