John Jaekoyun Yang

Title: The Innovations of John Jaekoyun Yang: A Pioneer in Magnetic Recording Technologies

Introduction

John Jaekoyun Yang is a renowned inventor based in Newark, CA, recognized for his significant contributions to the field of magnetic recording technologies. With a total of nine patents to his name, Yang has played a crucial role in the advancement of manufacturing processes for magnetic recording elements, enhancing the overall efficiency and quality of production.

Latest Patents

Among Yang's latest inventions are two notable patents, including the "Enhanced planarization liftoff structure and method for making the same" and "Fabricating perpendicular write elements in perpendicular magnetic recording heads". The first patent outlines a method for manufacturing pole tips for magnetic recording. This innovative method includes the access of a wafer with multiple pole tips and corresponding masks, filling non-magnetic material adjacent to these pole tips, followed by the etching of the material. The process culminates in planarizing the wafer to improve manufacturing throughput and quality by reducing planarization processing.

In his second patent, Yang discusses methods of fabricating write poles for perpendicular magnetic recording heads. This process involves covering write poles with hard and soft masks, followed by their removal through chemical etching and CMP. The innovation streamlines the production of trailing shields and improves the performance of magnetic recording devices.

Career Highlights

Yang works at Hitachi Global Storage Technologies Netherlands B.V., where his expertise contributes to breakthrough innovations in the storage technology sector. His dedication to advancing manufacturing methods has greatly influenced the design and production of magnetic recording heads, paving the way for enhanced data storage capabilities.

Collaborations

Throughout his career, Yang has collaborated with esteemed colleagues such as Hung-Chin Guthrie and Ming Jiang. These collaborations highlight the importance of teamwork in the development of cutting-edge technologies, bringing together diverse talents and expertise to drive innovation in the industry.

Conclusion

John Jaekoyun Yang stands out as a significant figure in the realm of magnetic recording technology. His nine patents reflect an unwavering commitment to innovation and improvement in manufacturing processes. As encoding and data storage demands continue to rise, Yang's contributions will undoubtedly remain pivotal in shaping the future of technology in this field.