Location History:
- Santa Clara, CA (US) (2004 - 2008)
- San Jose, CA (US) (2008 - 2011)
Company Filing History:
Years Active: 2004-2011
Title: The Innovations of Sang Hoon Chu: A Light on Hard Disk Drive Technology
Introduction
Sang Hoon Chu, an inventive mind based in Santa Clara, California, has made significant contributions to the field of hard disk drive technology. With a portfolio of 15 patents, he has played a vital role in enhancing the performance and reliability of hard disk drives. His latest inventions reflect both ingenuity and practical application in today's digital landscape.
Latest Patents
Among his notable patents is a groundbreaking method and apparatus for estimating the touchdown of a slider in a hard disk drive. This innovation utilizes servo address mark delays to create a touchdown flag, indicating when the slider contacts a rotating disk surface while accessing a track. Particularly useful for tracks located away from the Inside Diameter (ID), this method incorporates resistive heater electrical readings to determine the touchdown flag, allowing for calibration during manufacturing or in the field. Such advancements represent a significant evolution in hard disk drive technology, promoting efficiency and reliability.
Another impactful patent by Chu details a method for estimating position error gain for hard disk drives. This technology allows a controller within a hard disk drive to calculate a position error signal gain. By assessing a total servo loop gain and a function defined by the slope of A and B servo bits at varied off-track positions, this method results in a more accurate position error signal gain, enhancing the performance of hard disk drives significantly.
Career Highlights
Sang Hoon Chu is affiliated with Samsung Electronics Co., Ltd., a premier global player in the electronics industry. His role has involved extensive research and development, leading to significant improvements in data storage technology. His expertise in both hardware and software design has made him an influential figure in his workplace, resulting in numerous innovations during his tenure.
Collaborations
Throughout his career, Chu has teamed up with skilled colleagues such as Jun Seok Shim and Soo Il Choi. These collaborations have fostered an environment of innovation, bringing together diverse expertise to tackle complex challenges in hard disk drive technology. Working alongside such talented professionals has amplified the impact of his inventions within the industry.
Conclusion
Sang Hoon Chu's contributions to the field of hard disk drive technology through his innovative patents reflect a commitment to enhancing data storage solutions. His collaborations and career at Samsung Electronics have positioned him as a leading inventor in the sector, ensuring that the technology continues to evolve and adapt to the ever-growing demands of data management. As the industry progresses, Chu's inventions will undoubtedly play a crucial role in shaping the future of hard disk drive technology.