James B Stack

Title: Innovations by James B Stack

Introduction

James B Stack is a notable inventor based in Boulder, CO (US). He has made significant contributions to the field of electrophotographic technology. With a total of 2 patents, his work focuses on minimizing contamination in copier machines.

Latest Patents

One of his latest patents is a contamination prevention system designed for electrophotographic copier machines. This system minimizes contamination caused by toner particles and carrier beads. The design features a leading edge of corona housings positioned away from the rotating drum surface to prevent vortex formation. Additionally, a vacuum scavenging chamber is included to remove toner particles from the boundary layer. Another innovative patent involves optics contamination prevention utilizing a Coanda air deflection system. This system keeps optical components isolated from the rest of the machine, thereby minimizing contamination. The enclosed optics module has three large openings, including an air inlet and outlet, to facilitate cooling while preventing airflow into the module through the critical aperture.

Career Highlights

James B Stack is currently employed at International Business Machines Corporation (IBM). His work at IBM has allowed him to develop and refine his innovative ideas in the field of copier technology.

Collaborations

He has collaborated with Robert B Barker, contributing to the advancement of technology in their field.

Conclusion

James B Stack's innovative patents and contributions to the field of electrophotographic technology highlight his expertise and commitment to minimizing contamination in copier machines. His work continues to influence the industry positively.