Antenna-in-Package (AiP) Using Through-Polymer Vias (TPVs) for a 122-GHz Radar Chip

Journal article (2022)

Authors

H. Yi Electronic Components, Technology and Materials - EEMCS
E Ozturk Silicon Radar GmbH
Marco Koelink Chip Integration Technology Center
Jana Krimmling Silicon Radar GmbH
Wojciech Debski Silicon Radar GmbH
H.W. van Zeijl Electronic Components, Technology and Materials - EEMCS
Kouchi Zhang Electronic Components, Technology and Materials - EEMCS
René H. Poelma Nexperia B.V., Electronic Components, Technology and Materials - EEMCS
Research Group
Electronic Components, Technology and Materials (EEMCS) (TU Delft)
Copyright: © 2022 H. Yi, E. Öztürk, Marco Koelink, Jana Krimmling, Andrei A. Damian, Wojciech Debski, H.W. van Zeijl, Kouchi Zhang, René H. Poelma
DOI: https://doi.org/10.1109/TCPMT.2022.3172618
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Published Date

2022

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Electronic Components, Technology and Materials

Abstract

High-performance IC-to-antenna interconnection is one of the key enablers for the mass production of high-end millimeter wave (mmW) radar systems above 100 GHz. In this work, a radar system with an on-package antenna array working at 122 GHz is presented. The antenna is placed on top of the molded package and the antenna-to-chip interconnection is realized by through-polymer via (TPV) technology. The detailed fabrication process of the radar antenna-in-package (AiP) with TPV is discussed. The results from the functional tests of the radar AiP are presented and benchmarked to a commercial quad-flat no-leads (QFN) package with an open antenna cavity. The detection margin between the echo signal and the constant false alarm rate (CFAR) threshold is approximately 10 dB higher for the TPV radar AiP compared with the benchmarked commercial QFN package.

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