An improved microelectromechanical switch assembly comprises a linearly
movable switch rod constrained via a switch bearing, the switch rod being
actuated by electrostatic deflection. Movement of the switch rod to one
end of its travel puts the switch assembly in a closed state while
movement of the switch rod to the other end of its travel puts the switch
assembly in an open state. In an embodiment of the invention, one or both
of the switch rod and the switch bearing are fabricated of a carbon
nanotube. The improved microelectromechanical switch assembly provides
low insertion loss and long lifetime in an embodiment of the invention.