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Fabrication of three-dimensional electromagnetic band-gap structure with high-K dielectric ceramics by rapid-prototyping

  • Wei Dai
  • , Hong Wang
  • , Minjie Wang
  • , Zhiyuan Shen
  • , Dichen Li
  • , Di Zhou
  • , Jianzhang Shi
  • Xi'an Jiaotong University

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Three-Dimensional diamond structure electromagnetic band-gap (EBG) structures containing high-K dielectric ceramic Bi(Nb0.992 V 0.008)O4 (BVN) fabricated by rapid-prototyping (RP) technique were investigated. The simulations based on finite element method (FEM) were employed to model the band diagram. The influences of structure dimensions, aspect ratio and permittivity contrast on the band gap width were studied. The optimal band gap width EBGs were fabricated and investigated experimentally. EBG structures composed of epoxy resin diamond lattice and inverse-diamond lattice made of high-K BVN ceramic with silica gel were fabricated by RP method. The transmission characteristics of the EBG structures were measured by transmission/reflection (T/R) methods with a vector network analyzer. Obvious wide band-gaps of two EBGs with different lattice parameters were observed in the curve of transmission characteristics, which agreed well with the simulation results.

Original languageEnglish
Pages (from-to)218-222
Number of pages5
JournalJournal of Electroceramics
Volume25
Issue number2-4
DOIs
StatePublished - Oct 2010

Keywords

  • BVN ceramic
  • Diamond structure
  • EBG
  • FEM
  • RP technique
  • T/R method

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