Manufacturing of high frequency substrates as software programmable metasurfaces on PCBs with integrated controller nodes

D. Manessis*, M. Seckel, L. Fu, O. Tsilipakos, A. Pitilakis, A. Tasolamprou, K. Kossifos, G. Varnava, C. Liaskos, M. Kafesaki, C. M. Soukoulis, S. Tretyakov, J. Georgiou, A. Ostmann, R. Aschenbrenner, M. Schneider-Ramelow, K. D. Lang

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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Abstract

The proposed work is performed in the framework of the FET-EU project "VISORSURF", which has undertaken research activities on the emerging concepts of metamaterials that can be software programmable and adapt their properties. In the realm of electromagnetism (EM), the field of metasurfaces (MSF) has reached significant breakthroughs in correlating the micro- or nano-structure of artificial planar materials to their end properties. MSFs exhibit physical properties not found in nature, such as negative or smaller-than-unity refraction index, allowing for EM cloaking of objects, reflection cancellation from a given surface and EM energy concentration in as-tight-as-possible spaces.The VISORSURF main objective is the development of a hardware platform, the Hypersurface, whose electromagnetic behavior can be defined programmatically. The key enablers for this are the metasurfaces whose electromagnetic properties depend on their internal structure. The Hypersurface hardware platform will be a 4-layer build-up of high frequency PCB substrate materials and will merge the metasurfaces with custom electronic controller nodes at the bottom of the PCB hardware platform. These electronic controllers build a nanonetwork which receives external programmatic commands and alters the metasurface structure, yielding a desired electromagnetic behavior for the Hypersurface platform.This paper will elaborate on how large scale PCB technologies are deployed for the economical manufacturing of the 4-layer Hypersurface PCB hardware platform with a size of 9"x12", having copper metasurface patches on the top of the board and the electronic controllers as 2mmx2mm WLCSP chips at 400µm pitch assembled at the bottom of the platform. The PCB platform designs have stemmed from EM modeling iterations of the whole stack of high frequency laminates taking into account also the electronic features of the controller nodes. The manufacturing processes for the realization of the selected PCB architectures will be discussed in detail.

Original languageEnglish
Title of host publicationProceedings - 2020 IEEE 8th Electronics System-Integration Technology Conference, ESTC 2020
PublisherIEEE
ISBN (Electronic)9781728162928
DOIs
Publication statusPublished - 15 Sep 2020
MoE publication typeA4 Article in a conference publication
EventElectronics System-Integration Technology Conference - Virtual conference, Tonsberg, Vestfold, Norway
Duration: 15 Sep 202018 Sep 2020
Conference number: 8

Conference

ConferenceElectronics System-Integration Technology Conference
Abbreviated titleESTC
CountryNorway
CityTonsberg, Vestfold
Period15/09/202018/09/2020
OtherVirtual conference

Keywords

  • High frequency substrates
  • Metamaterials
  • Metasurfaces
  • Software defined materials

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