Company Filing History:
Years Active: 1997
Title: Innovations by Sang-Yeon Shim
Introduction
Sang-Yeon Shim is a notable inventor based in Seoul, South Korea. He has made significant contributions to the field of photoinitiators, which are essential in various applications, including photoresists used in semiconductor manufacturing.
Latest Patents
Sang-Yeon Shim holds a patent for "Water-soluble photoinitiators." This invention provides positive-tone and negative-tone photoresists that include a photoinitiator comprising a compound of Formula (I). The compound is characterized by R₁ and R₂ being independently selected from C₁-C₆ alkyl, with n being a number from 2 to 5, and An⁻ representing an anion. The photoinitiator is notable for its solubility in water, which enhances its usability in various applications. Methods for preparing both positive-tone and negative-tone photoresists are also included in this patent.
Career Highlights
Sang-Yeon Shim is associated with the Cornell Research Foundation Inc., where he continues to innovate and contribute to advancements in his field. His work has been instrumental in developing new materials that improve the efficiency and effectiveness of photoresists.
Collaborations
Sang-Yeon Shim has collaborated with Jean M Frechet, a prominent figure in the field, to further enhance the research and development of photoinitiators.
Conclusion
Sang-Yeon Shim's contributions to the field of photoinitiators demonstrate his innovative spirit and commitment to advancing technology. His patent for water-soluble photoinitiators is a testament to his expertise and the impact of his work in the industry.