Jyh-Kau Chang

Title: Jyh-Kau Chang: Innovator in Magnetic Recording Technology

Introduction

Jyh-Kau Chang is a notable inventor based in Fremont, California, recognized for his contributions to the field of magnetic recording technology. With a total of three patents to his name, Chang has made significant advancements that enhance the performance of magnetic recording media.

Latest Patents

One of his latest patents is titled "System, method and apparatus for onset magnetic oxide layer for high performance perpendicular magnetic recording media." This innovation focuses on improving perpendicular magnetic recording media by controlling the initial growth of magnetic oxide layers. The method involves sputter depositing an onset magnetic oxide layer in an argon-oxygen gas mixture, which enhances the coercivity of the oxide magnetic layers and improves the nucleation field. As a result, the media's signal-to-noise ratio and bit error rate are significantly improved due to better segregation of Co magnetic grains in the magnetic oxide layers.

Career Highlights

Throughout his career, Jyh-Kau Chang has worked with prominent companies in the technology sector, including Seagate Technology Incorporated and HGST Netherlands, B.V. His work has been instrumental in advancing the capabilities of magnetic recording technologies.

Collaborations

Chang has collaborated with notable colleagues such as Qixu David Chen and Ga-Lane Chen, contributing to various projects that push the boundaries of magnetic recording technology.

Conclusion

Jyh-Kau Chang's innovative work in magnetic recording technology has led to significant advancements in the field. His patents reflect a deep understanding of material science and engineering, making him a key figure in the development of high-performance magnetic recording media.