David Pung

Title: David Pung - Innovator in Metal Nitride Processing

Introduction

David Pung is a notable inventor based in Portland, OR (US). He has made significant contributions to the field of materials science, particularly in the processing of metal nitride layers. His innovative approach has implications for advanced device fabrication.

Latest Patents

David Pung holds a patent for a method titled "Nitrogen treatment of a metal nitride/metal stack." This patent describes a process for treating a substrate that involves the formation of a metal nitride/metal stack. The method is particularly suitable for use as a barrier or liner in sub-0.18 µm device fabrication. The process includes depositing a metal nitride layer on a metal layer and exposing it to a nitrogen-containing environment, such as a plasma. This treatment modifies both the metal nitride layer and a portion of the underlying metal layer, enhancing the properties of the resulting stack.

Career Highlights

David Pung is currently employed at Applied Materials, Inc., where he continues to advance his research and development efforts. His work focuses on improving the film properties of nitride/metal stacks, which include enhanced adhesion and barrier characteristics. His innovative techniques contribute to the efficiency and effectiveness of device fabrication processes.

Collaborations

David has collaborated with esteemed colleagues, including Zhi-Fan Zhang and Nitin Khurana. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

David Pung's contributions to the field of materials science, particularly through his patent on nitrogen treatment of metal nitride stacks, highlight his role as an influential inventor. His work at Applied Materials, Inc. continues to push the boundaries of technology in device fabrication.