This inventor holds 1 USPTO granted patent. Top assignee: Fujitsu Semiconductor Limited. Active years: 2014.
Company Filing History:
Years Active: 2014
Title: Hirofumi Watantani: Innovator in Semiconductor Technology
Introduction
Hirofumi Watantani is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor technology, particularly through his innovative methods in manufacturing semiconductor devices. His work has implications for the efficiency and reliability of electronic components.
Latest Patents
Hirofumi Watantani holds a patent for a method related to silicon oxycarbide. The patent, titled "Silicon oxycarbide, growth method of silicon oxycarbide layer, semiconductor device and manufacture method for semiconductor device," describes a process that includes preparing an underlying structure with a silicon carbide layer covering copper wiring. The method involves growing silicon oxycarbide on this structure through vapor deposition, utilizing tetramethylcyclotetrasiloxane, carbon dioxide gas, and oxygen gas as source materials. Notably, the flow rate of the oxygen gas is maintained at a maximum of 3% of the carbon dioxide gas flow rate. This innovative approach enhances the hydrophilicity of the silicon carbide layer's surface, thereby reducing film peel-off and cracks in the interlayer insulating layer.
Career Highlights
Hirofumi Watantani is currently employed at Fujitsu Semiconductor Limited, where he continues to advance semiconductor technology. His expertise and innovative methods have positioned him as a key figure in the industry, contributing to the development of more efficient semiconductor devices.
Collaborations
Throughout his career, Hirofumi has collaborated with esteemed colleagues, including Kengo Inoue and Shun-ichi Furuyama. These collaborations have fostered an environment of innovation and have led to significant advancements in semiconductor manufacturing techniques.
Conclusion
Hirofumi Watantani's contributions to semiconductor technology through his innovative patent and work at Fujitsu Semiconductor Limited highlight his importance in the field. His methods not only improve manufacturing processes but also enhance the performance of semiconductor devices.