This inventor holds 1 USPTO granted patent. Top assignee: 3M Innovative Properties Company. Active years: 1998.
Company Filing History:
Years Active: 1998
Title: Thomas M Bohlsen: Innovator in Video Recording Technology
Introduction
Thomas M Bohlsen is a notable inventor based in Woodbury, MN (US). He has made significant contributions to the field of video recording technology. His innovative work has led to the development of a patent that enhances the efficiency of video tape duplication.
Latest Patents
Bohlsen holds a patent for "Video recording tapes suitable for high speed contact duplication." This invention discloses a video tape designed for high-speed contact duplication. The magnetic layer of the tape comprises a magnetic pigment dispersed in a polymeric binder, with the magnetic pigment constituting between 75 and 88 percent by weight of the magnetic layer. The total pigment loading, which includes both magnetic and nonmagnetic pigments, is at least 80 percent by weight. The tape features a backside coating made of at least two nonmagnetic pigments, with one being a conductive material and having a small particle size, while the other has a larger particle size. The magnetic layer is engineered to have a lubricant absorption value of at least 4 and a surface roughness ranging from 5 to 15 nm. The backside coating's surface roughness is between 10 and 150 nm. The polymeric binder in either or both layers may include a hard component resin and a soft component resin, with the soft component being a polyurethane that contains multiple pendant carboxy groups.
Career Highlights
Bohlsen's career is marked by his work at the Minnesota Mining and Manufacturing Company, where he has contributed to advancements in video recording technology. His innovative approach has led to the creation of a patent that addresses the needs of high-speed video duplication.
Collaborations
Throughout his career, Bohlsen has collaborated with notable coworkers such as Alvin M Berg and Benedict L Bezenek. These collaborations have likely contributed to the innovative environment in which he has thrived.
Conclusion
Thomas M Bohlsen is a distinguished inventor whose work in video recording technology has made a significant impact. His patent for high-speed contact duplication video tapes showcases his innovative spirit and dedication to advancing technology in this field.