William K Schubert

Title: Innovations by William K. Schubert in Photovoltaic Technology

Introduction

William K. Schubert is a notable inventor based in Albuquerque, NM (US). He has made significant contributions to the field of photovoltaic technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and cost-effectiveness of solar cells.

Latest Patents

Schubert's latest patents include advancements in silicon cells made by self-aligned selective-emitter plasma-etchback. These patents disclose methods for creating photovoltaic cells where the metallized grids mask portions of the cell emitter regions. This allows for selective etching of phosphorus-doped emitter regions, using preferred etchants such as SF.sub.6 or a combination of SF.sub.6 and O.sub.2. The self-aligned selective etching technique enhances blue response while maintaining heavy doping beneath the gridlines for low contact resistance. The disclosed methods can replace expensive alignment methodologies and can be integrated with existing plasma processing techniques, potentially simplifying the manufacturing process.

Career Highlights

William K. Schubert is associated with Sandia Corporation, where he continues to innovate in the field of solar technology. His work has the potential to significantly reduce costs and improve the performance of solar cells, making renewable energy more accessible.

Collaborations

Some of his notable coworkers include Douglas S. Ruby and James M. Gee, who have collaborated with him on various projects related to photovoltaic technology.

Conclusion

William K. Schubert's contributions to the field of photovoltaic technology demonstrate his commitment to innovation and efficiency in solar energy. His patents reflect a deep understanding of the complexities involved in solar cell manufacturing and highlight his role as a key inventor in this vital industry.