Mark A Buonanno

Title: **Mark A Buonanno: A Pioneer in Inkjet Technology**

Introduction

Mark A Buonanno, based in Sunnyvale, California, has established himself as an influential inventor in the field of inkjet printing technology. With a remarkable portfolio of five patents, Buonanno is recognized for his innovative contributions that enhance the performance and efficiency of inkjet devices.

Latest Patents

Among his notable contributions is the invention of a **Thin-film printhead device for an ink-jet printer**. This invention focuses on creating a highly thermally efficient printhead substructure that simplifies both manufacturing methods and structural design. The innovative design features a resistor on an insulated substrate, a single conductive layer serving multiple functions, and a graded thin-film structure that improves reliability and durability by minimizing abrupt layer interfaces.

Buonanno has also developed a **Variable drop mass inkjet drop generator**. This device utilizes multiple drop generators within an inkjet printhead to enhance the precision of ink ejection. Each drop generator consists of a planar heater resistor and a surrounding protection layer, facilitating the ejection of ink drops in varying masses based on the energy applied. This advancement significantly advances the capabilities of inkjet printing technology.

Career Highlights

Buonanno's career is closely linked with Hewlett-Packard Company, where his innovations have contributed to the evolution of printing technology. His work has positioned him as a key player in the field, able to navigate the complexities of inkjet design and manufacturing.

Collaborations

Throughout his career, Buonanno has collaborated with other skilled professionals, including Domingo A Figueredo and David R Thomas. These collaborations have resulted in robust advancements in inkjet technology, illustrating the importance of teamwork in the innovation process.

Conclusion

Mark A Buonanno's contributions to the inkjet printing industry underscore his role as an innovator. His patents not only reflect his technical expertise but also demonstrate his commitment to pushing the boundaries of printing technology. As the industry evolves, Buonanno's work will undoubtedly continue to influence future developments in inkjet applications.