Robert P Freese

Title: Innovations of Robert P Freese

Introduction

Robert P Freese is a notable inventor based in Lake Elmo, MN (US). He has made significant contributions to the field of optical recording media, holding a total of 2 patents. His work has advanced the technology used in data storage and retrieval.

Latest Patents

Freese's latest patents include a multi-layer amorphous magneto-optical recording medium. This innovative medium boasts very high carrier-to-noise ratios, achieving at least 47 decibels, and features high rotation angles. The magneto-optic layer is composed of a multi-phase amorphous material with magnetic anisotropy that is perpendicular to the plane of the thin film. This is produced through a triode vacuum sputtering process at specific vacuum levels. Additionally, he has developed an optical recording medium that contains a light-absorbing film of refractory material. This film, which is less than 60 nm thick, allows for localized heating that enables information storage in the form of features that can be optically detected.

Career Highlights

Freese is associated with 3M Innovative Properties Company, where he has been able to apply his expertise in developing cutting-edge technologies. His work has been instrumental in enhancing the performance of optical recording media.

Collaborations

Some of his notable coworkers include William B Robbins and Leslie H Johnson. Their collaborative efforts have contributed to the advancements in the technologies they have worked on together.

Conclusion

Robert P Freese's innovations in optical recording media have made a significant impact in the field of data storage. His patents reflect a commitment to advancing technology and improving the efficiency of information retrieval.