Randolph F Knarr

Title: Innovations by Randolph F. Knarr: Leading Edge Patents and Career Achievements

Introduction: Randolph F. Knarr, based in Putnam Valley, NY, is a prominent inventor with an impressive portfolio of 26 patents. His innovations primarily focus on advancements in semiconductor technology, specifically in gate metal applications. Knarr's contributions to the field demonstrate his expertise and commitment to enhancing electronic device performance.

Latest Patents: One of Knarr's latest patents is centered around a sophisticated method to recess cobalt for gate metal applications. This invention involves creating a material stack comprising a gate dielectric, a work function metal, and a cobalt gate electrode within a gate cavity, which is formed by eliminating a sacrificial gate structure. The method entails oxidizing the cobalt gate electrode to develop a cobalt oxide layer on its surface, followed by the removal of this oxide layer through a chemical wet etch process. This oxidation and oxide removal can be repeated to achieve the desired thickness of the cobalt gate electrode. Interestingly, the work function metal can be recessed either after the recessing of the cobalt gate electrode is finalized or concurrently during this process.

Career Highlights: Randolph F. Knarr has had a distinguished career, working with renowned companies like IBM and Globalfoundries Inc. His role in these organizations has played a critical part in driving forward innovative solutions in the semiconductor industry. Throughout his career, he has consistently been at the forefront of technological advancements.

Collaborations: Collaboration is a significant aspect of innovation, and Knarr has worked alongside esteemed colleagues such as Mahadevaiyer Krishnan and Cyril Cabral, Jr. Their collective efforts in research and development have contributed to breakthroughs that push the boundaries of semiconductor technology.

Conclusion: Randolph F. Knarr's innovative spirit and extensive patent portfolio underline his substantial contributions to the field of semiconductor technology. His latest patent focusing on cobalt recessing techniques showcases his ability to solve complex engineering challenges while working with industry leaders and talented collaborators. As technologies continue to evolve, inventors like Knarr will play a crucial role in shaping the future of electronic devices.