US 7,518,474 B1
Piezoelectric in-line RF MEMS switch and method of fabrication
Jeffrey S. Pulskamp, Mclean, Va. (US); Ronald G. Polcawich, Derwood, Md. (US); and Daniel C. Judy, Odenton, Md. (US)
Assigned to The United Sates of America as represented by the Secretary of the Army, Washington, D.C. (US)
Filed on Feb. 06, 2006, as Appl. No. 11/347,291.
Int. Cl. H01P 1/10 (2006.01); H01H 57/00 (2006.01)
U.S. Cl. 333—262  [333/105] 24 Claims
OG exemplary drawing
 
1. A microelectromechanical system (MEMS) switch comprising:
a radio frequency (RF) transmission line;
a RF beam structure comprising a RF conductor;
a cantilevered piezoelectric actuator coupled to said RF beam structure;
a plurality of air bridges connected to said cantilevered piezoelectric actuator; and
a plurality of contact dimples on said pair on said RF beam structure.