David E Weldon

Title: **David E Weldon: Innovator in Semiconductor Polishing Technologies**

Introduction

David E Weldon, an accomplished inventor based in Los Gatos, CA, has made significant strides in the semiconductor industry with a total of 8 patents to his name. His innovative designs seek to enhance the accuracy and efficiency of semiconductor wafer polishing processes, contributing to the advancement of technology in this critical field.

Latest Patents

One of his latest inventions is a **Linear Polisher and Method for Semiconductor Wafer Planarization**. This revolutionary polisher includes a wafer holder that supports the semiconductor wafer and a linear polishing assembly, where a polishing member engages the wafer surface. The polishing member can be moved linearly against the wafer surface, ensuring a uniform polish. Additionally, a pivotal alignment device allows for parallel alignment of the wafer and polishing member during operation, which is essential for achieving high-quality results. This patent also highlights an optional conditioning station for keeping the polishing member in optimal condition.

Another noteworthy invention is the **Wafer Polishing Head**, which features a housing, a movably mounted wafer carrier, and a wafer retainer. The design incorporates fluid actuators that dynamically adjust the biasing forces applied during the polishing operation, allowing for a more controlled approach to semiconductor wafer polishing.

Career Highlights

David E Weldon has enjoyed a distinguished career, having worked for innovative companies such as Ontrak Systems, Inc. and Lam Research Corporation. His experience at these organizations has played a pivotal role in shaping his expertise in semiconductor technologies.

Collaborations

Throughout his career, Weldon has collaborated with notable colleagues like Homayoun Talieh and Boguslaw A Nagorski. These partnerships have undoubtedly helped to further refine his inventions, bringing together diverse expertise and insights from the semiconductor field.

Conclusion

David E Weldon's contributions to semiconductor wafer polishing technologies exemplify the spirit of innovation that drives progress in the tech industry. With a strong foundation of patents and collaborative efforts with talented individuals, he continues to push the boundaries of what is possible in semiconductor manufacturing. His work not only enhances the efficiency of current processes but also lays the groundwork for future advancements in technology.