Yu-Yun Lo is a notable inventor based in Ping-tung Hsien, Taiwan. He has made significant contributions to the field of magnetic recording media, holding two patents that enhance the performance and efficiency of hard disk drives. His work focuses on developing high-density recording mediums that improve data storage capabilities.

Latest Patents

One of Yu-Yun Lo's latest patents is the CoCrNiTa/Cr magnetic recording medium. This invention is designed for use in high-density computer hard disks. It consists of an aluminum or Ni/P substrate, a chromium underlayer, a four-component magnetic recording layer, and a carbon protective layer. The magnetic recording layer contains 66-78 atom percent of cobalt, 12-16 atom percent of chromium, 6-10 atom percent of nickel, and 4-8 atom percent of tantalum. This innovative composition results in a high coercivity of greater than 2,800 Oe, leading to improved recording density, reduced noise, enhanced off-track capability, and a lower on-track error rate. Additionally, it allows for the sputtering process to be conducted at a significantly lower temperature.

Another significant patent by Yu-Yun Lo pertains to high-coercivity magnetic recording media used in hard disk drives. This invention features a nonmagnetic substrate, a seed layer made of NiAl alloy, a sublayer of CrV alloy, a magnetic layer of CoCrPtTaNb alloy, and a carbon overcoat. The structure of this magnetic recording medium greatly enhances the signal-to-noise ratio, coercivity, overwrite capability, and orientation ratio, thereby improving the storage density and read/write capacity. The coercivity of the magnetic layer can reach as high as 4,000 Oersteds, even without the NiAl seed layer.

Career Highlights

Yu-Yun Lo has worked with companies such as Trace Storage Technology Corporation and Trace Storage Tech Corporation. His experience in these organizations has contributed to his expertise in the development of advanced magnetic recording technologies.

Collaborations

Some of Yu-Yun Lo's notable coworkers include Tai-hwang Lai and James Liang. Their collaboration has likely played a role in the successful development of innovative technologies in the field of magnetic recording media.

Conclusion

Yu-Yun Lo's contributions to magnetic recording media have significantly advanced the

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