Chun-Jen Chen

Title: Innovations of Chun-Jen Chen in Bump Disk Technology

Introduction

Chun-Jen Chen is a notable inventor based in Chung-Li, Taiwan. He has made significant contributions to the field of magnetic hard disk production through his innovative patent. His work focuses on improving the quality control processes in manufacturing.

Latest Patents

Chun-Jen Chen holds a patent for a method titled "Method for making bump disks." This patent describes a wet etching method designed for creating calibration bump disks. These bump disks are essential for ensuring quality control in the production of magnetic hard disks. The method includes several steps: coating a layer of bump material on a substrate, applying a photoresist layer, exposing it to light under a photomask, developing the photoresist, etching the substrate, and finally stripping the undeveloped photoresist layer. This innovative approach addresses many issues associated with conventional metal mask methods, particularly the elimination of convex-shaped bump surfaces.

Career Highlights

Chun-Jen Chen is currently employed at Trace Storage Tech Corporation, where he continues to advance his research and development efforts. His work has been instrumental in enhancing the efficiency and effectiveness of hard disk manufacturing processes.

Collaborations

Chun-Jen Chen collaborates with talented individuals such as Ming-Hung Su and Joseph C-c Hung. Their combined expertise contributes to the innovative environment at Trace Storage Tech Corporation.

Conclusion

Chun-Jen Chen's contributions to the field of bump disk technology exemplify the importance of innovation in manufacturing processes. His patented method not only improves quality control but also sets a new standard in the industry.