Location History:
- Daejeon Metropolitan, KR (2010)
- Daejeon, KR (2007 - 2021)
Company Filing History:
5 out of 131,324 
5 out of 38 
2 out of 8,316 
Years Active: 2007-2021
Title: Hyo Sun Lee: Innovator in Semiconductor Technology
Introduction
Hyo Sun Lee is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of semiconductor technology, holding a total of 9 patents. His innovative work focuses on etching compositions and methods that enhance the fabrication of semiconductor devices.
Latest Patents
Hyo Sun Lee's latest patents include an etching composition and method for fabricating semiconductor devices. One of his notable inventions involves an etching composition that includes a peracetic acid mixture, a fluorine compound, an organic solvent, and water. This composition is designed to selectively etch silicon-germanium (SiGe). Another significant patent details an etching composition that selectively removes a titanium nitride film from a stacked conductive film structure. This composition contains specific percentages of hydrogen peroxide, acid compounds, and corrosion inhibitors, allowing for precise etching of titanium nitride (TiN).
Career Highlights
Throughout his career, Hyo Sun Lee has worked with leading companies in the semiconductor industry, including Samsung Electronics Co., Ltd. and Soulbrain Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced etching technologies.
Collaborations
Hyo Sun Lee has collaborated with notable colleagues in his field, including Jung Hun Lim and Yong Jae Choi. These partnerships have fostered innovation and the sharing of ideas, further enhancing the development of semiconductor technologies.
Conclusion
Hyo Sun Lee's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the advancement of semiconductor fabrication methods.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.