Qing He

Title: Innovations by Inventor Qing He in Magnetic Write Head Technology

Introduction

Qing He, an inventor based in Fremont, CA, has made significant strides in magnetic write head technology, holding a total of five patents to his name. His innovative designs focus on improving manufacturability and enhancing performance in magnetic disk drives.

Latest Patents

Among his latest inventions are two remarkable patents aimed at refining the efficiency of magnetic write heads. The first patent involves a write head designed for improved manufacturability, featuring a larger write field and reduced adjacent track erasure. This inventive write head boasts a unique design with a pedestal throat height that substantially recesses from the air bearing surface. The innovative structure includes a top pole that is positioned closer to the air bearing surface, achieving a significant ratio of off-track to on-track field, potentially reaching a 1:4 ratio. This advancement aims to significantly mitigate the erasure problem of adjacent tracks caused by magnetic flux saturation.

The second patent presents a stitched pole write element featuring a T-shaped pole tip portion. In this design, the bottom of the 'T' forms a narrow nose segment at the air bearing surface, while the wing segment at the opposite end constitutes the cross-bar top of the 'T'. The evolution of this design includes a transition segment that carefully manages the dimensions to ensure effective performance. The yoke portion of the upper pole includes a surface that remains parallel to the air bearing surface, facilitating optimal positioning.

Career Highlights

Qing He has developed his expertise and innovative mindset while working at Western Digital, a leader in storage solutions based in Fremont, California. His contributions have played a vital role in enhancing the performance and manufacturability of cutting-edge storage technologies.

Collaborations

Throughout his career, Qing He has collaborated with talented individuals such as David John Seagle and Yingjian Chen, fostering a spirit of innovation and teamwork that contributes to groundbreaking advancements in the industry.

Conclusion

With five patents under his belt, Qing He continues to be a prominent figure in the field of magnetic write head technology. His latest innovations reflect a commitment to improving both efficiency and performance in the industry. As technology evolves, Qing He's contributions underscore the vital role of inventors in driving progress and shaping the future of data storage solutions.