Phil Keenan

Title: Phil Keenan: Innovator in Inkjet Printhead Technology

Introduction

Phil Keenan is a notable inventor based in Lucan, Ireland. He has made significant contributions to the field of inkjet printhead technology, holding a total of 7 patents. His work has been instrumental in advancing the efficiency and functionality of inkjet printing systems.

Latest Patents

Keenan's latest patents include a method of making an inkjet printhead. This method involves forming a first patterned layer on a surface of a first substrate, followed by forming a second patterned layer on a surface of a second substrate. The two layers are then bonded in intimate face-to-face contact, and the second substrate is removed from the second patterned layer. Together, these layers define at least one ink ejection chamber with at least one ink ejection nozzle. Another significant patent details a method of making an inkjet printhead that includes providing a substrate with first and second opposite surfaces, bonding the second surface of the substrate to a support member, and forming a plurality of ink ejection elements on the first surface of the substrate. This method also includes forming communicating ink supply slots to ensure fluid communication between an ink supply and the ink ejection elements.

Career Highlights

Phil Keenan is currently associated with Hewlett-Packard Development Company, L.P. His work at HP has allowed him to focus on innovative solutions in the printing industry, particularly in the development of advanced inkjet technologies.

Collaborations

Keenan has collaborated with notable colleagues such as Kevin Dooley and Pat MacDermott. Their combined expertise has contributed to the successful development of various printing technologies.

Conclusion

Phil Keenan's contributions to inkjet printhead technology have made a lasting impact on the industry. His innovative methods and patents continue to shape the future of printing technology.