Company Filing History:
4 out of 131,744 
1 out of 381 
1 out of 107 
Years Active: 2021-2025
Title: Hyo San Lee: Innovator in Semiconductor Technology
Introduction
Hyo San Lee is a prominent inventor based in Hwaseong-si, South Korea. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work focuses on developing innovative etching compositions and cleaning methods that enhance semiconductor fabrication processes.
Latest Patents
Hyo San Lee's latest patents include groundbreaking advancements in etching compositions for semiconductor devices. One of his notable inventions is an etching composition that can effectively etch cobalt. This composition includes a chelator, water, an oxidizer, and an organic solvent. The chelator may consist of an organic acid, an amine compound, and/or a polyhydric alcohol. The formulation specifies that water should be present in an amount ranging from 1 wt % to 10 wt % based on the total weight of the etching composition.
Another significant patent involves a substrate cleaning composition and methods for cleaning substrates and fabricating semiconductor devices. This cleaning composition features a styrene copolymer with specific repeating units, an additive, and an alcoholic solvent with a solubility of 500 g/L or less in deionized water. These innovations are crucial for improving the efficiency and effectiveness of semiconductor manufacturing.
Career Highlights
Hyo San Lee has worked with leading companies in the semiconductor industry, including Samsung Electronics and Dongwoo Fine-chem. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in semiconductor technology.
Collaborations
Throughout his career, Hyo San Lee has collaborated with talented individuals such as Mi Hyun Park and Min Hyung Cho. These partnerships have fostered a creative environment that has led to the development of his patented technologies.
Conclusion
Hyo San Lee is a distinguished inventor whose work in semiconductor technology has resulted in valuable patents that enhance manufacturing processes. His contributions continue to influence the industry and pave the way for future innovations.