Location History:
- Seongnam Si, KR (2012 - 2013)
- Gyeonggi-do, KR (2015)
Company Filing History:
Years Active: 2012-2015
Title: Woo Jung Ahn: Innovator in Plasma Monitoring and Interferometry
Introduction
Woo Jung Ahn is a notable inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the fields of plasma monitoring and interferometry, holding a total of 3 patents. His innovative work has implications for various technological applications, particularly in the semiconductor industry.
Latest Patents
One of Ahn's latest patents is titled "Estimating thickness based on number of peaks between two peaks in scanning white light interferometry." This patent discloses a method for measuring the thickness or surface profile of a thin film layer formed on a base layer. The method involves preparing simulation interference signals corresponding to various thicknesses, acquiring real interference signals, and determining the thickness of the thin film layer based on the comparison of these signals.
Another significant patent is the "Plasma monitoring device and method." This invention includes a plasma supplier with a power supply, a reaction gas supply line, and an emission nozzle for emitting plasma. The device features a camera unit that captures images of the plasma emission state, while a controller analyzes these images to monitor the plasma state in real time. This innovation allows for precise control of the reaction gas supplied to the plasma supplier, ensuring even plasma emission.
Career Highlights
Woo Jung Ahn is currently employed at SNU Precision Co., Ltd., where he continues to develop cutting-edge technologies. His work at the company has positioned him as a key player in advancing plasma monitoring techniques and interferometry methods.
Collaborations
Ahn collaborates with talented colleagues, including Heui Jae Pahk and Seong Ryong Kim. Their combined expertise contributes to the innovative environment at SNU Precision Co., Ltd.
Conclusion
Woo Jung Ahn's contributions to the fields of plasma monitoring and interferometry highlight his role as a leading inventor in South Korea. His patents reflect a commitment to advancing technology and improving industrial processes.