Abstract
Recently significant advances have been made in the development of magnetostatic wave devices for microwave signal processing. This technology, based on slow dispersive magnetostatic wave propagation in magnetically biased films of Yttrium iron garnet, grown by liquid phase epitaq on substrates of gadolinium gallium garnet, has many similarities to SAW technology, and comparisons will be made as appropriate, will be briefly reviewed, together with methods for efficient microstrip transduction, weighting, controlled tapping, and terminations. Wave propagation in periodic structures and application of these structures to the development of tunable high Q two-port resonators will be discussed. The status oblique incidence reflective array devices will be discussed including possible reflecting structures, weighting, and dispersion modification. The paper concludes with a survey of possible magnetostatic devices for GHz signal processing. Wave characteristics
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