George Tkach is a notable inventor based in Santa Clara, CA (US), recognized for his contributions to the field of thin film deposition technologies. He holds a total of 3 patents, showcasing his expertise and innovative spirit in the semiconductor industry.

Latest Patents

Tkach's latest patents include significant advancements in the control of deposition temperatures to reduce via and contact resistance of titanium (Ti) and titanium nitride (TiN) deposited using ionized physical vapor deposition (PVD) techniques. One of his methods involves depositing thin films of Ti and TiN within high aspect ratio openings, utilizing a Ti target in a non-nitrided mode within a hollow cathode magnetron apparatus. This process integrates cooling steps to modulate the via and contact resistance effectively. Another patent focuses on using an RF biased electrostatic chuck to influence the film properties of Ti and TiN layers, ensuring superior step coverage, grain size, grain orientation, roughness, and uniformity, which leads to substantially void-free filling of high aspect ratio openings.

Career Highlights

George Tkach is currently employed at Novellus Systems Incorporated, where he continues to push the boundaries of innovation in semiconductor manufacturing. His work has significantly impacted the efficiency and effectiveness of thin film deposition processes.

Collaborations

Throughout his career, Tkach has collaborated with talented professionals, including Gerard Chris D'Couto and Michal Danek, contributing to a dynamic and innovative work environment.

Conclusion

George Tkach's contributions to the field of thin film deposition and his innovative patents reflect his commitment to advancing semiconductor technology. His work continues to influence the industry and inspire future innovations.