A V-band micromachined 2-D beam-steering antenna driven by magnetic force with polymer-based hinges

Chang Wook Baek, Seunghyun Song, Jae Hyoung Park, Sanghyo Lee, Jung Mu Kim, Wooyeol Choi, Changyul Cheon, Yong Kweon Kim, Youngwoo Kwon

Research output: Contribution to journalArticlepeer-review

54 Scopus citations

Abstract

This paper presents a new type of antenna fabricated by micromachining technology for mechanical beam steering with two degrees of freedom of motion. A V-band two-dimensional mechanical beam-steering antenna was designed and fabricated on a single high-resistivity silicon substrate using microelectromechanical systems technologies. A fabricated antenna is driven by magnetic force to overcome the limit of electrostatic actuation, and a polymer-based hinge structure is used to increase the maximum scanning angle to as much as 40°. Simulation result for validating the mechanical beam-steering concept is presented. In addition, mechanical properties such as static actuation angles are investigated together with microwave properties such as the return loss and radiation pattern at the V-band.

Original languageEnglish
Pages (from-to)325-331
Number of pages7
JournalIEEE Transactions on Microwave Theory and Techniques
Volume51
Issue number1 II
DOIs
StatePublished - Jan 2003

Keywords

  • Beam-steering antenna
  • Microelectromechanical systems (MEMS)
  • Micromachining

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