Abstract:This work reports the design, fabrication, and characterization of coupling-enhanced magnetostatic forward volume wave (MSFVW) resonators with significant spur suppression. The fabrication is based on surface micromachining of yttrium iron garnet (YIG) film on a gadolinium gallium garnet (GGG) substrate with thick gold transducers. A distributed resonator is used to excite forward volume waves in YIG to realize a frequency-dependent coupling boost. Fabricated devices at 18 and 7 GHz show coupling coefficients … Show more
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