This inventor holds 4 USPTO granted patents. Top assignee: Hewlett-Packard Company. Active years: 1990-1999.
Company Filing History:
Years Active: 1990-1999
Title: Innovations of John B Smyth, Jr.
Introduction
John B Smyth, Jr. is a notable inventor based in Corvallis, OR (US). He has made significant contributions to the field of technology, particularly in the area of printhead design and flexible circuit technology. With a total of 4 patents to his name, Smyth has demonstrated a commitment to innovation and advancement in his field.
Latest Patents
One of his latest patents is the "Particle Tolerant Printhead." This invention features islands of barrier layer material within an inkjet printhead, strategically placed between an ink source and the ink feed channels. This design effectively filters particles in the ink, enhancing print quality. The dimensions of the ink feed channels and ink ejecting orifices have been reduced, while the barrier layer thickness has been minimized. The filter pores are smaller than the barrier layer thickness, ensuring optimal performance.
Another significant patent is the "Flexible Circuit Card with Laser-Contoured VIAs and Machined Capacitors." This invention involves creating a flexible circuit, such as a membrane probe, by forming a trench in a polyimide substrate. The trench features a ramped end wall, allowing for a conductive layer to be patterned and connected to a ground plane or to form distributed capacitance. An excimer laser is utilized to ablate polyimide from the substrate, showcasing an innovative approach to circuit design.
Career Highlights
John B Smyth, Jr. is currently associated with Hewlett-Packard Company, where he continues to push the boundaries of technology. His work has been instrumental in developing advanced printing solutions and flexible electronic components.
Collaborations
Throughout his career, Smyth has collaborated with talented individuals such as Ellen R Tappon and Cheryl A Macleod. These partnerships have contributed to the success of his innovative projects.
Conclusion
John B Smyth, Jr. is a distinguished inventor whose work has significantly impacted the technology landscape. His patents reflect a deep understanding of engineering principles and a dedication to improving product functionality. His contributions will continue to influence future innovations in the field.