John Stuart Foster

Title: John Stuart Foster: An Innovative Force in Microfabrication

Introduction:

John Stuart Foster, based in Santa Barbara, CA, has established himself as a prominent inventor and innovator in the field of microfabrication. With an impressive total of 49 patents under his belt, Foster's contributions have revolutionized particle manipulation systems and microfluidic technologies. This article explores some of his notable inventions, his work in renowned companies, and collaborations with other industry experts.

Microfabricated Droplet Dispenser with Immiscible Fluid:

One of Foster's latest patents showcases his expertise in microfabrication and microfluidics. This invention features a microfabricated droplet dispensing structure employing a MEMS microfluidic valve. By controlling the valve's opening and closing mechanisms, the device can effectively separate target particles and beads from a sample stream. The innovation further encapsulates the separated particles within a single droplet formed at the substrate's edge, encased in an immiscible fluid sheath flow.

Particle Manipulation System with Multisort Valve:

Another pioneering patent by Foster centers around a particle manipulation system utilizing a MEMS-based microfabricated particle manipulation device. This innovative design offers a sample inlet channel, output channels, and a movable member on a substrate. The system's primary purpose is to isolate target particles from non-target materials within a sample stream. To enhance the system's speed, accuracy, and yield, Foster integrated a microfluidic structure that enables focused sorting of target particles in a specific section of the sample inlet channel. Additionally, the particle manipulation device offers two distinct sort output channels, selecting the appropriate channel based on the delivered sort pulse characteristics.

Significant Collaborations and Professional Engagements:

Throughout his career, Foster has held positions at prominent companies, contributing significantly to their advancements in microfabrication technology. One such company is Owl Biomedical, Inc., where he collaborated alongside esteemed professionals such as Paul Rubel and Kevin Shields. Foster's expertise undoubtedly played a crucial role in driving the company's innovation and success within the field of microfabrication. Additionally, Foster has lent his skills to Innovative Micro Technology, a key player in the industry, further establishing himself as a valuable contributor to cutting-edge technologies.

Conclusion:

John Stuart Foster's extensive patent portfolio and contributions to microfabrication technologies have solidified his position as a pioneering force in the field. His inventions, such as the microfabricated droplet dispenser and particle manipulation system, have revolutionized the way we handle and separate particles in microfluidic systems. Foster's collaborations with notable professionals and his involvement with renowned companies like Owl Biomedical, Inc. and Innovative Micro Technology demonstrate his exceptional expertise and commitment to advancing the field of microfabrication. As his journey continues, we eagerly anticipate his future contributions to the exciting world of innovations and patents.