Company Filing History:
Years Active: 2018
Title: Inventor Spotlight: David A. Johnson from Woodbury, MN
Introduction
David A. Johnson is a noted inventor based in Woodbury, Minnesota, recognized for his innovative contributions to microcontact printing technology. With a patent to his name, he has made significant strides in the field, particularly through his work at 3M Innovative Properties Company.
Latest Patents
Johnson's patent, titled "Microcontact Printing Stamps with Functional Features," describes a method that employs a specialized elastomeric stamp. This stamp features a stamping surface that comprises a first pattern element with a fill factor ranging from 20 to 99 percent, which includes both continuous and discontinuous regions. The discontinuous area has elongated concavities or interior voids, enhancing its functionality. Additionally, a second pattern element with a fill factor between 0.25 and 10 percent features traces as narrow as 0.1 micrometers to 50 micrometers. The innovative stamping surface is inked with a unique ink composition that incorporates a functionalizing molecule, promoting the formation of a self-assembled monolayer (SAM) on ink-receptive materials.
Career Highlights
David A. Johnson's career has been marked by his dedication to developing cutting-edge technologies at 3M Innovative Properties Company. His exploration of microcontact printing processes underscores his commitment to advancing material science and applications in various industries. His sole patented invention showcases his unique approach to combining functionality and precision in printing technologies.
Collaborations
Throughout his career, Johnson has collaborated with talented coworkers such as Catherine P. Tarnowski and Roger W. Barton. These partnerships illustrate his ability to work within a team environment, fostering innovation through collective expertise and shared objectives.
Conclusion
David A. Johnson stands out as a prominent figure in the field of innovations, particularly in microcontact printing technologies. His inventive work at 3M Innovative Properties Company reflects a robust commitment to advancing scientific frontiers, making him a valuable asset in the world of inventions and patents.