Abstract
An organic-based multi-layered phased-array antenna package for 94-GHz radar imaging and communication applications is hereby introduced. The package incorporates 64 dual-polarized antenna elements. Direct antenna probing measurements on a fabricated package and full-wave electromagnetic (EM) simulation of the complete design show over 8 GHz bandwidth and 2 dBi gain at 94 GHz. 64-element beam forming and beam steering are evaluated through EM simulations showing 12-degree half-power beam width and lower than -20dB side levels. A novel flip-chip assembly process is introduced to improve module-level yield and scalability by attaching the package with one die that consists of four joint ICs.
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