e-journal
Pull-In Voltage and Fabrication Yield Analysis of All-Metal-Based Nanoelectromechanical Switches
Abstract—We designed a one-mask process for all-molybdenum-based laterally actuated anoelectromechanical switches. The damascene-like process is designed to ensure a smooth, high-aspect ratio, and metal-to-metal mechanical contact. Based on the statistical study of 800 devices, very high
process yield can be achieved for fixed–fixed beam devices by selecting suitable device dimensions, i.e., the beam length versus beam width ratio should be 1.5. Typical failure modes are also discussed.
Index Terms—Switches, nanoelectromechanical systems, electrostatic devices.
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