Location History:
- Fishers, NY (US) (1991)
- Pittsford, NY (US) (1995 - 1998)
Company Filing History:
Years Active: 1991-1998
Title: Innovations by Daniel O Roll in Thermal Ink Jet Technology
Introduction
Daniel O Roll is an accomplished inventor based in Pittsford, NY (US). He has made significant contributions to the field of thermal ink jet technology, holding a total of 3 patents. His work focuses on improving the performance and durability of ink jet printheads, which are essential components in modern printing technology.
Latest Patents
One of his latest patents is for a thermal ink jet printhead with improved ink resistance. This innovation involves coating the surface of a photo-imageable polymer with an ink resistant film, enhancing the printhead's durability against corrosive inks. In this embodiment, a thermal ink jet element is created by bonding a channel plate and a heater plate, with resistors and electrical connections integrated into the heater plate. A protective polyimide layer is formed over the heater plate to safeguard the electrical components while facilitating ink flow. Additionally, a tantalum film is applied to protect the polyimide layer from corrosive effects. Another notable patent focuses on protective layers for thermal ink jet printheads. This protective layer is made from a thin film material with a high melting point and specific thermal conductivity and strength properties. The design ensures that the protective layer is smooth, free of pores, and resistant to stress corrosion and hydrogen stress cracking.
Career Highlights
Daniel O Roll is currently employed at Xerox Corporation, where he continues to innovate in the field of printing technology. His work has significantly advanced the capabilities of thermal ink jet systems, making them more reliable and efficient.
Collaborations
Throughout his career, Daniel has collaborated with notable colleagues, including Cathie J Burke and William G Hawkins. These collaborations have contributed to the development of cutting-edge technologies in the printing industry.
Conclusion
Daniel O Roll's contributions to thermal ink jet technology exemplify the impact of innovative thinking in enhancing printing solutions. His patents reflect a commitment to improving the durability and performance of printheads, which are vital for modern printing applications.