High frequency thick film BST ferroeclectric phase shifter

Kenneth Yeo, Michael Lancaster, Bo Su, Timothy Button, M Kittila, J Hagberg, S Leppavuori

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This paper discusses the performance of a thick-film ferroelectric phase shifter at high frequency. The phase shifter is fabricated from Barium Strontium Titanate (BST) thick-films on alumina substrates using a screen-printing method, and the electrodes are patterned using direct gravure-printing. We have achieved down to 40 mum gaps between electrodes using this method. Comparison between the theoretical response and experiment results will be presented. The extracted dielectric constants of the BST material using this phase shifter is also be presented here.
Original languageEnglish
Pages (from-to)65-70
Number of pages6
JournalIntegrated Ferroelectrics
Volume61
DOIs
Publication statusPublished - 1 Jan 2004

Keywords

  • phase shifters
  • thick-films
  • screen-printing
  • gravure-printing

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