Company Filing History:
Years Active: 1985-1987
Title: **The Innovative Contributions of Thomas A. Rinehart**
Introduction
Thomas A. Rinehart, an accomplished inventor based in Saint Paul, Minnesota, has made significant contributions to the field of optical recording technologies. With a total of three patents to his name, Rinehart's work reflects his commitment to advancing innovative mediums in the ever-evolving landscape of data storage.
Latest Patents
Rinehart's most recent patents include the development of a two-sided optical recording medium. This innovative medium features a transparent substrate with two recording layers, both accessible from one side only. Unlike conventional dual-sided media, Rinehart's design incorporates a thin-film barrier that prevents interference from the more distant layer during addressing. The integration of a tough, transparent cover layer protects the essential recording components, enhancing durability.
Another significant patent is the multi-layer amorphous magneto-optical recording medium. This invention boasts high carrier-to-noise ratios of at least 47 decibels and achieves substantial rotation angles. The medium's magneto-optic layer is crafted from a multi-phase amorphous material, which exhibits unique magnetic anisotropy. The creation process involves a triode vacuum sputtering technique applied in specific vacuum conditions, resulting in a medium that exhibits enhanced performance through its combination of protective layers and reflective surfaces.
Career Highlights
Rinehart's career is closely associated with his work at Minnesota Mining and Manufacturing Company, widely known as 3M. This esteemed organization provides a platform that fosters innovation and technological advancements, allowing Rinehart to explore new frontiers in optical recording technology.
Collaborations
Throughout his career, Rinehart has collaborated with notable colleagues, including Richard F. Willson and Robert P. Freese. These partnerships have played a crucial role in enriching his inventive journey, leading to groundbreaking developments that push the boundaries of recording mediums.
Conclusion
Thomas A. Rinehart’s inventions reflect a profound dedication to innovation in the optical recording industry. His patents are not merely technical achievements; they represent a significant leap in the capabilities of recording technologies and stand as a testament to his inventive spirit and collaborative efforts within the realm of engineering.