Ho-Jen Chen

Title: Ho-Jen Chen: Innovator in Optical Sensor Technology

Introduction

Ho-Jen Chen is a notable inventor based in Tucheng, Taiwan. He has made significant contributions to the field of optical sensor technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and accuracy of wafer processing systems.

Latest Patents

One of his latest patents is the "Optical Wafer Presence Sensor System." This innovative system includes a transfer chamber designed to receive a wafer. It features an optical sensor that emits a sensing beam and receives a beam reflected from the wafer to determine its presence in the chamber. The system incorporates a mechanism to reflect the sensing beam away when it reaches the chamber bottom, preventing misinterpretation of wafer presence when no wafer is present.

Another significant patent is the "Apparatus and Method for Positioning a Cassette Pod onto a Loadport by an Overhead Hoist Transport System." This invention describes an apparatus that includes a vertical front panel of a process machine with a docking opening. It features a loadport stage extending horizontally, guiding plates for positioning, and a clamp positioner that facilitates the unloading operation of the cassette pod.

Career Highlights

Ho-Jen Chen is currently employed at Taiwan Semiconductor Manufacturing Company Limited, a leading firm in the semiconductor industry. His work has been instrumental in advancing technologies that improve manufacturing processes.

Collaborations

Throughout his career, Chen has collaborated with talented individuals such as Ko-Chin Chung and Fan-Lin Lu. These partnerships have contributed to the development of innovative solutions in the semiconductor field.

Conclusion

Ho-Jen Chen's contributions to optical sensor technology and his innovative patents reflect his dedication to advancing the semiconductor industry. His work continues to influence the efficiency of wafer processing systems, showcasing the importance of innovation in technology.