Company Filing History:
Years Active: 1986
Title: The Innovations of Jonas St Alban
Introduction
Jonas St Alban is an accomplished inventor based in Westerly, Rhode Island. He has made significant contributions to the field of photoresist processing, particularly with his innovative methods that enhance the production of positive working photoresists. His work is recognized for its technical precision and practical applications in various industries.
Latest Patents
Jonas holds a patent for "Positive photoresist processing with mid U-V range exposure." This invention provides a method for producing a positive working photoresist by coating at least one novolak resin and 1-naphthalenesulfonic acid, 3-diazo-3,4-dihydro-4-oxo-,4-benzoyl-1,2,3-benzenetriyl ester onto a substrate. The process involves exposing the coated substrate to a U.V. light source with a wavelength of less than 380 nanometers and developing it with an aqueous alkaline solution. This patent showcases his expertise and innovative approach to photoresist technology.
Career Highlights
Jonas is currently employed at American Hoechst Corporation, where he continues to apply his knowledge and skills in the field of photoresist processing. His work at the company has allowed him to collaborate with other talented professionals and contribute to advancements in the industry.
Collaborations
Throughout his career, Jonas has worked alongside notable colleagues such as John DiCarlo and Donald C Mammato. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Jonas St Alban's contributions to the field of photoresist processing exemplify the spirit of innovation. His patent and work at American Hoechst Corporation highlight his dedication to advancing technology in this area.