Company Filing History:
Years Active: 2012-2013
Title: Innovations of Yunfei Ma in MEMS Technology
Introduction
Yunfei Ma is an accomplished inventor based in Redmond, WA, known for his contributions to microelectromechanical systems (MEMS). With a total of two patents to his name, he has made significant strides in the field of sensor technology.
Latest Patents
One of Yunfei Ma's latest patents is titled "Piezoresistive sensors for MEMS device having rejection of undesired motion." This invention involves a piezoresistive stress sensor that comprises a plurality of piezoresistive elements coupled in a bridge circuit. The design is strategically placed on or near a flexure to detect torsional flexing about an axis. The bridge circuit is configured to maximize the output in response to torsional flexing, effectively enhancing the sensor's performance by increasing the torsional flexing component of the output signal while reducing the impact of non-torsional stress.
Another notable patent is the "Fatigue resistant MEMS apparatus and system." This invention focuses on improving the reliability of conductors within MEMS devices. The conductor is designed to flex with a moving member, utilizing material selections that enhance fatigue resistance and reduce crack propagation. This innovation may involve a single material or layers of different materials to achieve the desired reliability.
Career Highlights
Yunfei Ma is currently employed at Microvision, Inc., where he continues to develop cutting-edge technologies in the MEMS domain. His work has contributed to advancements in sensor reliability and performance, making a significant impact in the industry.
Collaborations
Yunfei has collaborated with notable coworkers, including Wyatt Owen Davis and Dean R Brown, who have also contributed to the innovative projects at Microvision, Inc.
Conclusion
Yunfei Ma's innovative work in MEMS technology, particularly in piezoresistive sensors and fatigue-resistant conductors, showcases his expertise and commitment to advancing the field. His contributions are paving the way for more reliable and efficient MEMS devices in various applications.