Eyad Arabi's paper on miniaturized lumped components and filters has been published in the journal PIERC. The paper introduces for the first time lumped components and bandpass filters on an ultra-thin liquid crystal polymers (LCP) substrate.
Abstract: In this work, a library of 3D lumped components completely embedded in the thinnest, multilayer liquid crystal polymer (M-LCP) stack-up with four metallization layers and 100 ¹m of the total thickness, is reported for the ¯rst time. A vertically and horizontally interdigitated capacitor, realized in this stack-up, provides higher self-resonant frequency as compared to a similarly sized conventional parallel plate capacitor. Based on the above-mentioned library, a miniaturized bandpass filter is presented for the GPS application. It utilizes mutually coupled inductors and is the smallest reported in the literature with a size of (0:035mm x 0:028mm x 0:00089mm). The M-LCP module presented in this work is inherently flexible and offers great potential for wearable and conformal applications.
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