202124 Nov

CEA-Letis MEMS gyroscope for navigation-grade sensing


In other words, the France-based scientists designed the gyroscope to include resistors that were at the nanoscale, and this was integral to ensure that the device could be efficient while also remaining affordable. As Phillippe Robert, MEMS business development manager and senior expert at CEA-Leti explains: “[The sensor’s] improved performance must not come with a high cost so the device will be priced competitively in large-volume markets." Accordingly, “the size of these new gyroscopes [could] … not exceed 2 millimetres-squared per axis – while maintaining standard MEMS technology and using wafer-level vacuum packaging.” The breakthrough comes at a time when MEMS, or microelectromechanical systems, are increasingly being designed to optimise sensing technologies, particularly in the automotive industry. In fact, the current applications of MEMS gyroscope sensing range from, not only driver assist systems, but other major areas, too – from robotics and accelerometers to GPS outage (the latter area is when the failure of global positioning systems leads navigators to use microelectromechanical gyroscopes as a substitute). Says Phillipe Robert: “Our breakthrough 1.33 millimetre-squared high-frequency device is already at the state-of-the-art performance in terms of noise, bias stability, scale range and bandwidth.

Source: Electronicspecifier