You Hie Han

Title: Innovations by You Hie Han

Introduction

You Hie Han is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of technology, particularly in the development of advanced chip scale markers. With a total of 3 patents to his name, Han continues to push the boundaries of innovation.

Latest Patents

One of his latest patents is titled "Chip scale marker and method of calibrating marking position." This invention features a chip scale marker that includes a laser system, a wafer holder supporting a wafer to be processed, and a camera that moves above the wafer holder. The camera is connected to an X-Y stage and monitors the wafer supported on a center hole of the wafer holder. The chip scale marker also includes a unit that is detachably arranged on the laser beam path from the laser system, which reduces the power density of the laser beam. Additionally, a screen is arranged on the center hole of the wafer holder to indicate the position where the laser beam from the laser system is irradiated.

Another significant patent by Han is "Chip scale marker and marking method." This invention comprises a laser system that performs laser marking, a wafer holder on which a wafer subject to the laser marking is mounted, and a vacuum plate disposed at the center of the wafer holder for sucking the wafer. The wafer holder also features a wafer rotating unit provided at the circumference of the vacuum plate, which has an open area facing the laser system. A camera is positioned above the wafer holder to photograph the wafer, and a warpage removing unit is provided above the wafer holder for removing warpage from the wafer.

Career Highlights

You Hie Han is currently employed at Eo Technics Co., Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of chip scale markers, which are essential in various applications within the semiconductor industry.

Collaborations

Han collaborates with talented individuals such as Chang Su Jun and Yang Ghi Min, contributing to a dynamic work environment that fosters innovation and creativity.

Conclusion

You Hie Han's contributions to the field of technology through his patents and work at Eo Technics Co., Ltd. highlight his role as a significant inventor in the industry. His innovative solutions in chip scale marking are paving the way for advancements in semiconductor processing