Tu Chen

Title: Tu Chen – A Pioneer in Magnetic Alloy Innovations

Introduction: Tu Chen, based in Monte Sereno, California, is a renowned inventor with an impressive portfolio of 36 patents. His work primarily focuses on developing advanced magnetic alloys and magnetic thin film recording media, contributing significantly to advancements in the field of materials science and engineering.

Latest Patents: Among Tu Chen's latest patents are two pivotal inventions. The first is a Thin Film Magnetic Alloy Having Low Noise, High Coercivity and High Squareness. This innovative Co-Pt based magnetic alloy is doped with a notable amount of nitrogen, achieving high coercivity levels around 1400 Oe or more. This alloy demonstrates an improved signal-to-noise ratio compared to non-doped counterparts, making it suitable for high-performance applications. The alloy is vacuum deposited, utilizing techniques such as sputtering, with nitrogen introduced from either the sputtering gas or the target itself. Additionally, it includes low-solubility elements like B, P, S, C, Si, As, Se, and Te to enhance grain uniformity and isolation.

The second patent, Magnetic Thin Film Recording Media Having Extremely Low Noise and High Thermal Stability, details a magnetic medium structured with at least two intermediate layers positioned between an underlayer and a magnetic layer. The first intermediate layer ensures a compatible lattice match with the underlayer, while the second layer achieves a similar match with the magnetic layer. This configuration allows the magnetic layer to develop defect-free, thereby enhancing the overall performance and stability of the medium.

Career Highlights: Throughout his career, Tu Chen has made significant contributions working with notable companies such as Komag Corporation and Xerox Corporation. His innovative approaches in these organizations have advanced the capabilities and applications of magnetic materials.

Collaborations: Tu Chen's journey has been marked by collaborations with accomplished professionals like Tsutomu Tom Yamashita and Rajiv Yadav Ranjan. Working alongside these talented individuals, he has been instrumental in driving forward cutting-edge research and developments in magnetic alloys and recording technologies.

Conclusion: Tu Chen's contributions to the field of magnetic materials and thin film technologies underscore his status as a leading inventor. With 36 patents to his name and ongoing innovations, he continues to inspire future advancements in the industry. His work not only enhances our understanding of magnetic materials but also paves the way for future technological breakthroughs.