Roger W Johnson

Title: Roger W Johnson: Innovator in Vibration Damping Technology

Introduction

Roger W Johnson is a notable inventor based in Shoreview, MN (US). He has made significant contributions to the field of vibration damping technology. His innovative work has led to the development of a patent that addresses critical challenges in constrained layer damping structures.

Latest Patents

Roger W Johnson holds a patent for a "Vibration damper having extended temperature range and low temperature." This invention focuses on improving the performance of viscoelastic layers, which are often made from iso-octyl acrylate and acrylic acid copolymers. The patent highlights the issue of increased brittleness at low temperatures when the acrylic acid content is raised. To mitigate this problem, Johnson's invention incorporates small amounts of rubbery polymer particles, particularly core-shell polymers, into the viscoelastic copolymer.

Career Highlights

Roger W Johnson is associated with 3M Innovative Properties Company, where he has been instrumental in advancing vibration damping technologies. His work has not only contributed to the company's portfolio but has also enhanced the understanding of material properties in various applications.

Collaborations

Some of his notable coworkers include William D Sell and Charles D Wright. Their collaborative efforts have further enriched the research and development environment at 3M.

Conclusion

Roger W Johnson's innovative contributions to vibration damping technology exemplify the importance of addressing material challenges in engineering. His patent reflects a significant advancement in the field, showcasing his dedication to innovation and collaboration.