Totally free-flexible membrane for low voltage MEMS metal contact switch

This paper presents results concerning an electromechanical DC-contact shunt switch based on a patented totally free-flexible metal membrane combined with an associated low temperature surface micromachining fabrication process. The electrostatic actuation enables an average measured actuation voltage of 9.2V for a 5 mum out-of-plane membrane deflection. The switch exhibits low insertion loss (0.32 dB @ 10GHz) with good isolation (>30dB @ 10GHz).