Company Filing History:
Years Active: 2000-2005
Title: The Innovations of Robert A. Johnson in Magnetic Tape Technology
Introduction
Robert A. Johnson, located in Acton, Massachusetts, is a notable inventor in the field of magnetic tape technology with a total of four patents to his name. His contributions have significantly advanced the efficiency and functionality of magnetic recording systems.
Latest Patents
Among his latest patents, Johnson developed a method titled "Optical to Magnetic Alignment in Magnetic Tape System." This invention focuses on accurately positioning a selected recording channel on a recording head in relation to an optical servo system. The method involves determining a lateral offset between the optical servo system and the selected recording channel using an alignment tape. An innovative aspect of this patent is the design of the alignment tape itself, consisting of a flexible plastic substrate that includes a magnetic storage medium and alignment voids for precision tracking.
Another significant invention by Johnson is the "Thin Film Recording Head with a Localized Coating to Protect Against Corrosion and Electrostatic Discharge." This patent describes a thin film head utilized in tape drives that incorporates a read portion, a write portion, and a giant magnetoresistive (GMR) element recessed from the tape-bearing surface. The protection provided by the coating enhances the durability and performance of the recording head.
Career Highlights
Robert A. Johnson's career has been notably marked by his tenure at Quantum Corporation, a company recognized for its pioneering work in the storage technology sector. His innovative designs and patents have contributed to advancements in data storage solutions.
Collaborations
Throughout his career, Johnson has collaborated with esteemed colleagues, including George H. Bellesis and John S. Judge. Together, they have pushed the boundaries of technology in their respective fields, enhancing the capabilities of data storage and retrieval systems.
Conclusion
In summary, Robert A. Johnson stands out as a pivotal figure in the realm of magnetic tape technology. His inventive methodologies and collaborations have not only resulted in multiple patents but have also laid the groundwork for future innovations in the industry.