Company Filing History:
Years Active: 1986
Title: The Innovations of Leslie H. Johnson in Magneto-Optical Technology
Introduction
Leslie H. Johnson, an impressive inventor hailing from Hudson, WI, has made significant contributions to the field of magneto-optical recording mediums. With one patent to her name, Johnson's work reflects her commitment to advancing technology in a way that enhances data recording capabilities.
Latest Patents
Johnson's lone patent, titled "Multi-layer amorphous magneto-optical recording medium," showcases her inventive prowess. This innovative medium is characterized by its very high carrier-to-noise ratio, achieving at least 47 decibels, and displays high rotation angles. The construction of this medium involves a triode vacuum sputtering process, resulting in a multi-phase amorphous material with magnetic anisotropy perpendicular to the thin film's plane. Notably, additional transparent layers, including dielectric intermediate, anti-reflective layers, and protective coatings, work in conjunction with the magneto-optic layer and a reflective surface to produce a recording medium that boasts enhanced performance.
Career Highlights
Leslie H. Johnson is affiliated with Minnesota Mining and Manufacturing Company, commonly known as 3M. At 3M, Johnson has engaged in pioneering research and advancements that contribute to the company's reputation as a leader in innovative technology and product development.
Collaborations
In her professional journey, Johnson has collaborated with esteemed colleagues such as Robert P. Freese and Thomas A. Rinehart. These collaborations reflect a productive environment at 3M, where diverse expertise converges to push the boundaries of technological capabilities.
Conclusion
Leslie H. Johnson stands as a remarkable inventor whose work in the development of a multi-layer amorphous magneto-optical recording medium highlights her significant contributions to modern technology. Through her innovative patents and collaborative efforts at 3M, Johnson exemplifies the role of inventors in shaping the future of data recording and retrieval.