Abstract

The design and implementation of package-level electromagnetic band-gap structures is demonstrated. By using spiral-based electromagnetic band-gap structures (EBG), the relative periodicity for achieving band-gap at extremely low frequency is substantially minimized in comparison to traditional EBG's. Using both full wave electromagnetic simulation and experimental characterization it is demonstrated that this type of structure can exhibit multiple band-gaps, which are individually tunable through variation of the inductance per unit area and its periodicity. Sample structures with dimensions compatible to today's packaging technology are fabricated and show stop-band behavior in frequency band of interest for commercial wireless communication systems

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