Wallace Paul Printz

Title: Innovations of Wallace Paul Printz in Semiconductor Processing

Introduction

Wallace Paul Printz, based in Austin, TX, is a prolific inventor with a remarkable portfolio of 19 patents. His work primarily focuses on semiconductor processing techniques, particularly relating to silicon nitride and colloidal silica removal processes. Through his innovative approaches, Printz has made significant contributions to the field of materials science.

Latest Patents

Wallace Paul Printz's latest patents showcase his expertise in developing cutting-edge methods in semiconductor processing. One of his notable inventions is a "Process and apparatus for processing a nitride structure without silica deposition." This patent details techniques for efficiently removing colloidal silica deposits during silicon nitride etch steps. A key feature is the use of a high selectivity overetch step that ensures the removal of deposited colloidal silica by applying phosphoric acid in structures with high aspect ratios.

Another significant patent is the "Colloidal silica growth inhibitor and associated method and system," which describes methods to inhibit the growth of colloidal silica deposits in phosphoric acid solutions. This invention includes a novel approach using a colloidal silica growth inhibitor as an additive, and it also encompasses a monitoring apparatus to maintain optimal concentrations during processing. These inventions greatly enhance the efficiency and precision of silicon nitride etching processes.

Career Highlights

Throughout his career, Wallace Paul Printz has worked with prestigious companies, including Tokyo Electron Limited and Osaka University. His experience spans both industrial and academic environments, enabling him to merge theoretical knowledge with practical applications in semiconductor manufacturing.

Collaborations

In his pursuit of innovation, Printz has collaborated with noted professionals in the field, including Ian J. Brown and Derek Bassett. These collaborative efforts have contributed to advancing semiconductor technology, focusing on enhancing etching techniques and improving material performance.

Conclusion

Wallace Paul Printz's contributions to semiconductor processing through his patents demonstrate his innovative spirit and technical expertise. His latest inventions reflect a commitment to improving manufacturing processes, making him a notable figure in the field of materials science and semiconductor technology. As he continues to innovate, his work will undoubtedly lead to further advancements in the industry.