Hohyoung Lee

Title: Hohyoung Lee: Innovator in RF Power Generation

Introduction

Hohyoung Lee is a notable inventor based in Yuseong-gu, South Korea. He has made significant contributions to the field of RF power generation, holding two patents that enhance the efficiency and performance of plasma processing systems.

Latest Patents

Hohyoung Lee's latest patents include innovations in demagnetizing coils for linearity improvement of current ratios in plasma processing systems. This invention features a RF power generator that generates an output signal, which is then split into multiple signals. A demagnetizing circuit is employed to mitigate the effects of mutual impedance in an ICP chamber, ensuring that the ratio between split signals varies linearly. Another patent focuses on impedance matching in RF power generation systems. This involves an impedance matching network that utilizes a mixing module to receive various admittances based on parameters sensed from the RF generator's output. The mixing module generates a virtual admittance, which is used to adjust the capacitance or frequency of the output signal.

Career Highlights

Hohyoung Lee is currently employed at MKS Instruments, Inc., where he continues to develop innovative solutions in RF technology. His work has significantly impacted the efficiency of plasma processing systems, making them more reliable and effective.

Collaborations

Hohyoung has collaborated with talented individuals such as Jaechul Jung and Dinh-Vuong Le, contributing to advancements in their respective fields.

Conclusion

Hohyoung Lee's contributions to RF power generation through his patents demonstrate his commitment to innovation and excellence in technology. His work continues to influence the industry positively.