Hyung Jai Lee, a distinguished inventor based in Cupertino, CA, holds an impressive portfolio of 41 patents. His work primarily focuses on the evolving field of micro-actuator technology, particularly related to hard disk drives, making significant contributions to the efficiency and precision of data storage devices.

Latest Patents

One of Lee's latest patents is titled "Balanced Motor Micro-Actuator." This invention discloses a hard disk drive, a head stack assembly, and a head gimbal assembly, each featuring a micro-actuator hinge designed to position a slider over a rotating disk surface. This innovation enhances stroke sensitivity while minimizing bending perpendicular to the disk surface. The micro-actuator hinge comprises at least one micro-actuator, a hinge plate, and hinge plate covers, with the micro-actuator consisting of two regions that interconnect the hinge plate and cover.

Another significant patent from Lee is "In-Situ Dynamic Pitch and Roll Adjustment in Hard Disk Drives." This invention describes a head gimbal assembly where the head is pivotally connected to a flexure. This assembly includes first and second micro-actuators placed between the flexure and the head, allowing for precise control over the pitch and roll of the head using control signals. By using thin piezo-electric transducers as micro-actuators, this invention exemplifies a leap forward in achieving dynamic adjustments in hard disk drives.

Career Highlights

Hyung Jai Lee's career spans key roles at renowned companies, including Samsung Electronics Co., Ltd. and Seagate Technology International. His expertise and innovative mindset have enabled him to play crucial roles in advancing technology in the hard disk drive industry.

Collaborations

Throughout his career, Lee has collaborated with talented individuals, including his coworkers Haesung Kwon and Vinod Sharma. These collaborations have contributed to the successful development and implementation of groundbreaking technologies in the field of data storage.

Conclusion

Hyung Jai Lee's contributions to micro-actuator technology have positioned him as a leading inventor in the hard disk drive industry. With an impressive number of patents and a commitment to innovation, his work continues to shape the landscape of data storage solutions. His advancements not only enhance the performance of hard disk drives but also pave the way for future technological breakthroughs.

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