Company Filing History:
Years Active: 1987-1992
Title: The Innovations of Fred C Chung
Introduction
Fred C Chung is a notable inventor based in Palo Alto, California. He has made significant contributions to the field of magnetic recording media, holding a total of four patents. His work has been instrumental in advancing the technology used in data storage and retrieval.
Latest Patents
Chung's latest patents include a magnetic recording medium comprising a polyester polyurethane polymer. This invention focuses on compositions for magnetic recording media that include a nonmagnetic support and a magnetic layer adhered to it. The magnetic layer consists of a ferromagnetic substance and a binder system, primarily made of polyester polyurethane polymer, along with a small percentage of a low molecular weight polyol crosslinked with a multifunctional isocyanate. The presence of the low molecular weight polyol is crucial for achieving desired performance characteristics, such as wound pile stability, layer-to-layer adhesion, and durability. Another significant patent involves the fabrication of magnetic recording media with a lubricant. This invention addresses the need for coatings that contain harsh pigments like CrO.sub.2 particles, ensuring good durability and abrasivity through a lubricant system that includes fluoro-silicone oil and a compatible fatty-acid-ester like butoxy ethyl stearate.
Career Highlights
Throughout his career, Fred C Chung has worked with prominent companies, including Memorex Corporation and Memorex Telex N.V. His expertise in magnetic recording technology has positioned him as a key figure in the industry.
Collaborations
Chung has collaborated with notable coworkers such as Ross P Clark and Dennis W Karle, contributing to various projects that have furthered advancements in magnetic recording technologies.
Conclusion
Fred C Chung's innovative work in magnetic recording media has had a lasting impact on the field. His patents reflect a deep understanding of materials and their applications in technology. His contributions continue to influence the development of data storage solutions.