Patent ID: 7271688

Claim:
A three-stage liquid metal switch employing electrowetting on dielectric (EWOD), comprising: a common EWOD switch 1310 having an input port 1302 , a first shared-EWOD-switch output 1336 , and a second shared-EWOD-switch output 1338 ; a first EWOD switch 1340 having a first-EWOD-switch input 1343 , a first output port 1304 , and a first-EWOD-switch output 1368 ; and a second EWOD switch 1370 having a second-EWOD-switch input 1373 , a second output port 1306 , and a second-EWOD-switch output 1398 ; wherein the first shared-EWOD-switch output 1336 is operably connected to the first-EWOD-switch input 1343 , and the second shared-EWOD-switch output 1338 is operably connected to the second-EWOD-switch input 1373 .