Stephan Keetai Park

Title: Innovations of Stephan Keetai Park

Introduction

Stephan Keetai Park is an accomplished inventor based in Cupertino, CA. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on enhancing memory cell fabrication processes and improving the reliability of semiconductor interconnect lines.

Latest Patents

One of his latest patents is titled "Integration of an ion implant hard mask structure into a process for fabricating high density memory cells." This patent describes a process that includes forming an ONO layer over a semiconductor substrate, depositing a hard mask, and patterning the hard mask. The hard mask is made from materials such as tungsten, titanium, and silicon. The process also involves implanting the semiconductor substrate with p-type and n-type dopants to enhance the memory cell's performance.

Another notable patent is the "Method of reducing incidence of stress-induced voiding in semiconductor interconnect lines." This method involves annealing the substrate and interconnect lines before depositing an interlayer dielectric (ILD) coating. The process utilizes plasma-enhanced chemical vapor deposition to form a SiON layer, which is crucial for reducing stress-induced voiding in the interconnect lines.

Career Highlights

Stephan Keetai Park is currently employed at Advanced Micro Devices Corporation, where he continues to innovate in semiconductor technology. His expertise in memory cell fabrication and interconnect reliability has positioned him as a valuable asset in the industry.

Collaborations

Throughout his career, Stephan has collaborated with notable colleagues, including David Keating Foote and Bharath Rangarajan. These collaborations have further enriched his work and contributed to advancements in semiconductor technology.

Conclusion

Stephan Keetai Park's contributions to semiconductor technology through his patents and work at Advanced Micro Devices Corporation highlight his role as a leading inventor in the field. His innovative approaches to memory cell fabrication and interconnect reliability continue to influence the industry.