Company Filing History:
Years Active: 1987-1992
Title: The Innovations of Dennis W. Karle
Introduction
Dennis W. Karle is a notable inventor based in San Jose, California. He has made significant contributions to the field of magnetic recording media, holding a total of 4 patents. His work has advanced the technology used in magnetic recording, showcasing his expertise and innovative spirit.
Latest Patents
Karle's latest patents include a magnetic recording medium that comprises a polyester polyurethane polymer. This invention details 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, with small amounts 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 radiation-cured binders internetworked with soft materials. This novel resinous binder composition is designed for magnetic recording tape, where magnetic particles are dispersed within a resinous matrix that includes both hard and soft components.
Career Highlights
Throughout his career, Dennis W. Karle has worked with prominent companies, including Memorex Corporation and Memorex Telex N.V. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in magnetic recording technology.
Collaborations
Karle has collaborated with notable individuals in his field, including Zie A. Payne and Fred C. Chung. These partnerships have likely fostered an environment of creativity and innovation, leading to the development of his patents.
Conclusion
Dennis W. Karle's contributions to magnetic recording media demonstrate his innovative capabilities and commitment to advancing technology. His patents reflect a deep understanding of materials and their applications, solidifying his place as a significant inventor in this field.