Conference,

Investigation of Process Parameters on Permittivity for High-Frequency and Mixed-Signal Systems based on LDS Technology

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(September 2018)

Abstract

This paper reports on the influence of injection molding parameters and environmental testing on the permittivity of different thermoplastic materials used in MID technology. Permittivity and dielectric loss angle measurements up to frequencies of 3 GHz were performed by using suitable resonator structures on flat test substrates fabricated by LPKF-LDS® technology. It was found that the permittivity of LCP is only negligibly affected by injection molding parameters. Furthermore, during environmental tests the best performance was observed for LCP.

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