Location History:
- San Jose, CA (US) (1995)
- Milpitas, CA (US) (1995 - 1996)
- Los Altos, CA (US) (1996 - 2000)
- Sunnyvale, CA (US) (2000 - 2015)
Company Filing History:
20 out of 39,238 
2 out of 1,855 
1 out of 59 Years Active: 1995-2015
Title: James J. Roman: Innovator in Dielectric Technologies
Introduction: James J. Roman, based in Sunnyvale, California, is a distinguished inventor with a remarkable portfolio of 24 patents. His innovations primarily focus on dielectric technologies, which have significant implications in the electronics sector.
Latest Patents: Roman's latest patents showcase groundbreaking advancements in dielectric trenches, nickel/tantalum oxide structures, and chemical mechanical polishing techniques. One of his notable contributions involves using a portion of a conductive layer as a capacitor electrode. He developed dielectric trenches within the conductive layer to insulate the capacitor electrode from other conductive paths, ensuring optimal functionality. The capacitor dielectric can be created by anodizing tantalum, while a nickel layer protects the underlying copper from the anodizing solution. This innovative layering allows for a thinner tantalum layer, achieving increased capacitance. Additionally, his method for chemical mechanical polishing has streamlined the process by incorporating photolithographic patterning to enhance the height of the upward protrusions in the layer, making it both faster and potentially more cost-effective.
Career Highlights: Throughout his career, James J. Roman has worked with industry giants such as Fujitsu Corporation and Adeia Semiconductor Bonding Technologies Inc. His efforts have significantly contributed to advancements in semiconductor and capacitor technologies, establishing him as a respected figure in the field.
Collaborations: Roman's notable collaborators include Solomon I. Beilin and Wen-chou Vincent Wang. Together, they have driven research and development initiatives that have led to innovative solutions and technological enhancements in semiconductor manufacturing.
Conclusion: James J. Roman’s contributions to the field of dielectric technologies and his extensive patent portfolio underscore his role as an influential inventor. His ongoing innovations continue to push the boundaries of what is possible in the electronics industry, making a lasting impact on future advancements.