Company Filing History:
1 out of 144 
1 out of 40 
1 out of 577 Years Active: 2003-2008
Title: Bert P Van Drieenhuizen: Innovator in Micromechanical Systems
Introduction
Bert P Van Drieenhuizen is a notable inventor based in Fremont, CA. He has made significant contributions to the field of micromechanical systems, holding a total of 3 patents. His work focuses on innovative solutions that enhance the functionality and efficiency of microvalves and MEMS devices.
Latest Patents
One of his latest patents is for a proportional micromechanical valve. This invention features a unique design with three layers, allowing for high aspect ratio geometries. The first layer defines a cavity with inlet and outlet ports, while the second layer, which is doped for low resistivity, facilitates fluid flow and includes an actuatable displaceable member. The third layer provides electrical contacts for heating the thermal actuators, enabling precise control over fluid flow.
Another significant patent involves high fill-factor bulk silicon mirrors. This invention describes a MEMS apparatus that maximizes the optical surface area while ensuring unobstructed movement. The design incorporates hinge elements that allow for substantial rotational range, making it ideal for optical beam manipulation. The combination of bulk and surface micromachining techniques results in a MEMS device with a large, flat mirror and flexible hinges.
Career Highlights
Bert has worked with prominent companies such as General Electric Corporation and Capella Photonics, Inc. His experience in these organizations has contributed to his expertise in the development of advanced micromechanical systems.
Collaborations
Throughout his career, Bert has collaborated with talented individuals, including Kirt Williams and Nadim I Maluf. These partnerships have fostered innovation and the exchange of ideas in the field of micromechanical systems.
Conclusion
Bert P Van Drieenhuizen is a distinguished inventor whose work in micromechanical systems has led to groundbreaking patents. His contributions continue to influence the industry and inspire future innovations.