Company Filing History:
Years Active: 1989-1992
Title: Innovations by Kenneth L. Bell: Pioneering High Contrast Photoresist Developers
Introduction
Kenneth L. Bell, an inventor based in Irvine, CA, has made significant contributions to the field of photoresist technology. With a total of three patents to his name, Bell's innovations enhance the development of positive-working photoresists, particularly in achieving high contrast and uniform results. His inventive work showcases the intricate balance between chemistry and applied technology, setting new standards for the industry.
Latest Patents
Kenneth L. Bell's latest patents include innovative compositions and methods for developing quinone diazide positive-working photoresists. One of his key inventions involves a high contrast, positive photoresist developer containing alkanolamine. The compositions primarily consist of an aqueous solution of a tetraalkylammonium hydroxide, paired with an adjunct that prevents irregular deposits on the edges of unexposed areas during photoresist development. This advancement not only enhances the uniformity of line widths but also increases the process latitude of the developer, significantly improving the overall performance in various applications.
Career Highlights
Throughout his career, Kenneth L. Bell has worked with significant organizations such as Morton International, Inc. and Morton Thiokol Inc. His experiences in these companies have undoubtedly contributed to his expertise in the field of photoresist technology and chemical compositions used in semiconductor manufacturing and other applications.
Collaborations
In his journey as an inventor, Kenneth L. Bell has collaborated with esteemed colleagues, including Richard M. Lazarus and Carla M. Bauer. These collaborations have played a crucial role in refining his patents and furthering the development of effective photoresist practices.
Conclusion
Kenneth L. Bell stands out as a key inventor in the realm of photoresist technology, with his pioneering patents that focus on enhancing the development processes. His work not only advances the field but also helps pave the way for improved manufacturing techniques within the industry. As technologies continue to evolve, the significance of Bell's contributions will likely resonate among inventors and professionals alike.