Company Filing History:
Years Active: 2006-2013
Title: Innovations by Inventor Thomas Francis
Introduction
Thomas Francis, a dedicated inventor based in South Portland, Maine, has made significant contributions to the field of semiconductor technology. With an impressive portfolio of six patents, his work focuses on enhancing the manufacturing processes used in the semiconductor industry.
Latest Patents
Among his latest inventions, Francis has developed a "System and method for monitoring chloride content and concentration induced by a metal etch process." This innovative approach involves the deposition of a blank metal film on a semiconductor wafer, followed by a meticulous metal etch process that partially etches the film while monitoring chlorine exposure. The method employs surface profiling total X-ray reflection fluorescence to generate a detailed chlorine concentration map, enabling manufacturers to select optimal chlorine levels to prevent metal chloride corrosion on semiconductor wafers.
Another notable patent is the "Method of avoiding unwanted metal deposition on a semiconductor resistor structure." This technique enhances electrical resistance in semiconductor devices by carefully managing the oxide layers present on semiconductor resistors. By exposing the top surface of the semiconductor resistor and effectuating a chemical reaction, Francis mitigates the risk of unwanted reactions between metal deposits and the underlying silicon, ensuring more reliable semiconductor performance.
Career Highlights
Thomas Francis is associated with National Semiconductor Corporation, where he applies his expertise in the semiconductor manufacturing process. His work has been instrumental in advancing technologies that improve the efficiency and reliability of semiconductor devices, making him a prominent figure in the industry.
Collaborations
Throughout his career, Francis has collaborated with talented colleagues such as Sergei Drizlikh and Lee James Jacobson. Together, they have worked on various projects that emphasize innovation and the advancement of semiconductor technology, showcasing the importance of teamwork in achieving substantial breakthroughs.
Conclusion
Thomas Francis stands out as an influential inventor in the realm of semiconductors. With a strong focus on improving manufacturing processes, his patents contribute significantly to enhancing the quality and performance of semiconductor devices. As the industry continues to evolve, innovators like Francis will undoubtedly play a crucial role in shaping the future of technology.