Company Filing History:
2 out of 717 
2 out of 17 
1 out of 19 Years Active: 1999-2011
Title: Innovations by David C. Skee in Microelectronics Cleaning Compositions
Introduction
David C. Skee is an accomplished inventor based in Bethlehem, PA, with a notable portfolio of six patents. His work primarily focuses on developing advanced cleaning compositions for the microelectronics industry, which are essential for maintaining the integrity of semiconductor substrates.
Latest Patents
Among his latest patents, Skee has developed stripping and cleaning compositions that are aqueous, silicate-free, and have a pH of 9 or below. These compositions are designed to effectively clean microelectronic substrates while preventing metal corrosion. The key components of these cleaning compositions include water, ammonium or quaternary ammonium ions, and hypophosphite or phosphite ions. Additionally, these compositions may contain fluoride ions and other components such as organic solvents, oxidizing agents, surfactants, corrosion inhibitors, and metal complexing agents.
Another significant invention by Skee involves alkaline compositions that serve as post-plasma etch and ash residue removers. These compositions are particularly useful for stripping or cleaning semiconductor wafer substrates by removing photoresist residues and other contaminants. They consist of one or more bases and metal corrosion inhibiting metal halides, which are formulated to ensure effective cleaning without damaging the substrates.
Career Highlights
David C. Skee has had a distinguished career, working with reputable companies such as Mallinckrodt, Inc. and Mallinckrodt Baker, Inc. His contributions to the field of microelectronics have been instrumental in advancing cleaning technologies that enhance the performance and longevity of semiconductor devices.
Collaborations
Throughout his career, Skee has collaborated with notable professionals in the industry, including George Schwartzkopf and Joseph M. Ilardi. These collaborations have further enriched his work and contributed to the development of innovative solutions in microelectronics.
Conclusion
David C. Skee's innovative contributions to the field of microelectronics cleaning compositions highlight his expertise and commitment to advancing technology. His patents reflect a deep understanding of the challenges faced in the industry and provide effective solutions that enhance the performance of semiconductor devices.