This inventor holds 1 USPTO granted patent. Top assignee: U.S. Philips Corporation. Active years: 1990.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1990
Title: Johannen J Brondijk: Innovator in Magnetic Materials
Introduction
Johannen J Brondijk is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of magnetic materials, particularly in the area of magnetic recording mediums. His innovative work has led to the development of a patented technology that enhances the efficiency of information storage and playback.
Latest Patents
Brondijk holds a patent for a magnetic material, magnetic recording medium, and method of manufacturing. The invention relates to a magnetic material designed for use in the magnetic recording and playback of information. This material consists of ferrite particles with the composition A.sub.1-y Zn.sub.y Fe.sub.2 O.sub.4, where A represents one or more bivalent metal ions. The magnetic material is particularly suitable for high information density recording mediums, as it comprises monodisperse ferrite particles with an average particle size ranging from 5 to 250 nm, preferably between 10 and 50 nm. The value of y is between 0.05 and 0.35, and the preferred material is Co-Zn-ferrite. The manufacturing process involves coprecipitation of a mixture of hydroxides, followed by recrystallization at elevated temperature and pressure.
Career Highlights
Brondijk is associated with U.S. Philips Corporation, where he has contributed to various projects related to magnetic materials and recording technologies. His work has been instrumental in advancing the capabilities of magnetic recording mediums, making them more efficient and effective for data storage.
Collaborations
Throughout his career, Brondijk has collaborated with notable colleagues, including Albert Huizing and Cornelis P Zegers. These collaborations have fostered innovation and have led to significant advancements in the field of magnetic materials.
Conclusion
Johannen J Brondijk is a distinguished inventor whose work in magnetic materials has had a profound impact on the field of information storage. His patented technology continues to influence the development of high-density recording mediums, showcasing his commitment to innovation and excellence.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile