David I Forehand

Title: The Innovative Contributions of David I Forehand

Introduction

David I Forehand is a notable inventor based in Wylie, Texas, who has made significant contributions to the field of technology, particularly in solar energy and microelectromechanical systems (MEMS). With a total of 11 patents to his name, Forehand's work reflects a commitment to advancing engineering solutions that address contemporary challenges.

Latest Patents

Among his latest patents, Forehand has developed a method for improving back-contact performance of group VI containing solar cells by utilizing a nanoscale interfacial layer. This innovative approach involves creating a thermodynamically stable, diffusion-impeded barrier layer within photovoltaic cells. By exposing the cadmium telluride surface to fluorine, a Te-poor barrier layer of cadmium fluoride is formed. This barrier layer facilitates tunneling current between the p-type layer and the metal-containing electrical contact, resulting in a low-resistance, highly uniform, and thermally stable electrical connection.

Another significant patent focuses on membrane switch components and designs. This invention provides a method and apparatus for reducing temperature dependency within MEMS switches. The designs include fixed-fixed and fixed-free configurations, utilizing springs and tethers to accommodate thermal expansion. Additionally, a variegated electrode design is introduced to enhance the restoring force of a suspended beam while minimizing the actuation force, thereby preventing stiction in MEMS switches.

Career Highlights

Forehand has had a distinguished career, working with prominent companies such as Texas Instruments Corporation and Raytheon Company. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking projects in the technology sector.

Collaborations

Throughout his career, Forehand has collaborated with talented individuals, including Andrew Steven Dewa and John Walter Orcutt. These partnerships have fostered an environment of innovation and creativity, leading to the development of impactful technologies.

Conclusion

David I Forehand's contributions to the fields of solar energy and MEMS technology exemplify his innovative spirit and dedication to engineering excellence. His patents not only advance technological capabilities but also pave the way for future developments in these critical areas.