Ka Chi Wong

Title: Innovator Spotlight: Ka Chi Wong and His Patented Technology

Introduction: Ka Chi Wong, an accomplished inventor based in Fremont, California, has made significant strides in the field of magnetic disk technology. With a focus on improving the performance and reliability of thin film disks, Wong's work continues to push the boundaries of innovation in data storage.

Latest Patents: Wong holds a patent for a groundbreaking technology titled "Thin Film Delamination Detection for Magnetic Disks." This patent describes an apparatus and method for detecting and marking delamination defects on thin film disks. The innovative setup includes a read/write (R/W) head and a burnishing head mounted on separate arms, both of which access the disk while it spins on a test stand. The controller initially uses the R/W head to conduct a magnetic test of selected areas, creating an initial defect map. Following this, the burnishing head is employed to accelerate and reveal latent delamination defects, leading to a second magnetic test to identify the newly surfaced defects. Ultimately, these defects are marked with a magnetic pattern, aiding in the optical location of issues during future failure analysis.

Career Highlights: Ka Chi Wong has built his career at Hitachi Global Storage Technologies Netherlands B.V., where he has actively contributed to advancements in storage technology. His innovative approach and expertise have resulted in a patent that enhances the reliability of magnetic disks, a pivotal element in data storage solutions.

Collaborations: Wong collaborates with esteemed colleagues including Bradley Frederick Baumgartner and Shanlin Duan. Together, they contribute to the ongoing research and development efforts within the company, driving advancements in the technology behind data storage.

Conclusion: Ka Chi Wong is a notable inventor whose contributions have had a lasting impact on the field of magnetic disk technology. With his patent for thin film delamination detection, Wong exemplifies the spirit of innovation that drives progress in the technology industry. As he continues to work at Hitachi Global Storage Technologies, his endeavors may lead to even more groundbreaking inventions in the future.