CMOS-NEMS copper switches monolithically integrated using a 65 nm CMOS technology

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Abstract

© 2016 by the authors. This work demonstrates the feasibility to obtain copper nanoelectromechanical (NEMS) relays using a commercial complementary metal oxide semiconductor (CMOS) technology (ST 65 nm) following an intra CMOS-MEMS approach. We report experimental demonstration of contact-mode nano-electromechanical switches obtaining low operating voltage (5.5 V), good ION/IOFF (103) ratio, abrupt subthreshold swing (4.3 mV/decade) and minimum dimensions (3.50 μm × 100 nm × 180 nm, and gap of 100 nm). With these dimensions, the operable Cell area of the switch will be 3.5 μm (length) × 0.2 μm (100 nm width + 100 nm gap) = 0.7 μm2 which is the smallest reported one using a top-down fabrication approach.
Original languageEnglish
Article number30
JournalMicromachines
Volume7
DOIs
Publication statusPublished - 1 Jan 2016

Keywords

  • CMOS-NEMS
  • Copper switch
  • NEMS
  • NEMS switch

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