The microelectromechanical systems (MEMS) area has been developed extensively during the past three decades. In the 1970s, with the advancement of semiconductor microelectronics processing, researchers investigated wet anisotropic chemical etching processes for forming three dimensional silicon geometries. In the 1980s, researchers adopted the Metal-Oxide-Semiconductor (MOS) process to realize ...

Microelectromechanical ~MEMS! gyroscopes have wide-ranging applications including automotive and consumer electronics markets. Among them, complementary metal-oxide semiconductor-compatible MEMS gyroscopes enable integration of signal conditioning circuitry, multiaxis integration, small size, and low cost. This paper reviews various designs and fabrication processes for integrated MEMS gyroscop...

Micro Electro Mechanical Systems (MEMS) have already revolutionized several industries through miniaturization and cost effective manufacturing capabilities that were never possible before. However, commercially available MEMS products have only scratched the surface of the application areas where MEMS has potential. The complex and highly technical nature of MEMS research and development (R&D)...

-Micro Electro Mechanical Systems will soon usher in a new technological renaissance. Just as ICs brought the pocket calculator, PC, and video games, MEMS will provide a new set of products and markets. Learn about the state of the art, from inertial sensors to microfluidic devices[1]. Over the last few years, considerable effort has gone into the study of the failure mechanisms and reliability...

Micro-electro-mechanical-systems (MEMS) have seen a very steep progression in R&D in the 1980s and 1990s, both in academia and industry. The rapid growth has been enabled by new fabrication methods derived from semiconductor integrated circuit manufacturing. These are basically lithography, thin film deposition dry and wet etching, which were tailored for MEMS purposes, since MEMS often uses si...

s With the advancements of MEMS foundry services and CAD tools, MEMS devices can be costeffectively designed and prototyped. Here, four designs that utilize these tools are presented: 1) a flexure design used to reduce the device warpage resulting from the mismatch in thermal expansion coefficients between the device and the substrate for flip-chip bonded MEMS, 2) a digitally positioned micro-m...

The MEMS (Micro-Electronical Mechanical System) scanning mirror is an optical MEMS device that can scan laser beams across one or two dimensions. MEMS scanning mirrors can be applied in a variety of applications, such as laser display, bio-medical imaging and Light Detection and Ranging (LiDAR). These commercial applications have recently created a great demand for low-driving-voltage and low-p...

RF MEMS capacitive switches capable of orderof-magnitude impedance changes have demonstrated operating lifetimes exceeding 100 billion switching cycles without failure. In situ monitoring of switch characteristics demonstrates no significant degradation in performance and quantifies the charging properties of the switch silicon dioxide film. This demonstration leads credence to the mechanical r...