Mike Yu Chang

Title: Mike Yu Chang: Innovator in Magnetic Head Technology

Introduction

Mike Yu Chang is a prominent inventor based in Sunnyvale, CA. He has made significant contributions to the field of magnetic head technology, holding a total of 2 patents. His work focuses on enhancing the performance and precision of magnetic transducers.

Latest Patents

Chang's latest patents include innovations that improve the design and functionality of magnetic heads. One of his notable inventions is a magnetic head with a precisely defined zero throat height. This invention utilizes a strip of baked photoresist to accurately define the zero throat height of a write head portion of a merged head. The design minimizes flux leakage between the pole pieces, enhancing the overall efficiency of the magnetic head.

Another significant patent is a lapping control system for magnetic transducers. This system is designed for a row of thin film magnetic transducers formed on a substrate. It establishes a correlation between the saturation current of the transducers and their throat height during the lapping process. This correlation is crucial for determining the optimal point at which lapping should be terminated, ensuring the quality and performance of the transducers.

Career Highlights

Mike Yu Chang is currently employed at International Business Machines Corporation (IBM), where he continues to innovate in the field of magnetic technology. His work has been instrumental in advancing the capabilities of magnetic transducers, making them more efficient and reliable.

Collaborations

Chang has collaborated with notable coworkers, including Mark Anthony Church and Michael Paul Salo. Their combined expertise contributes to the innovative projects at IBM.

Conclusion

Mike Yu Chang is a key figure in the development of magnetic head technology, with a focus on precision and efficiency. His patents reflect his commitment to advancing the field and improving the performance of magnetic transducers.