Location History:
- Kawasaki, JP (1993)
- Kitakami, JP (1997)
Company Filing History:
Years Active: 1993-1997
Title: Nobuyoshi Chida: Innovator in Semiconductor Technology
Introduction
Nobuyoshi Chida is a prominent inventor based in Kitakami, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on improving the fabrication processes of semiconductor devices, which are crucial for modern electronics.
Latest Patents
Chida's latest patents include a method of fabricating a semiconductor device with channel ion implantation. This innovative method utilizes a first conductive layer as a gate electrode for MOS transistors, allowing for more efficient control of threshold voltages. By eliminating the need for a dummy gate oxide film, his approach reduces the number of treatments required to remove such films, ultimately minimizing the thickness reduction of the field oxide film.
Another notable patent is for a semiconductor device that features a memory cell portion and a logic portion. In this design, second-layered aluminum wires are formed over first-layered aluminum wires, with an interlayer insulating film in between. This structure not only simplifies the design process but also enhances the coating ratio of resist to the aluminum layer, preventing issues such as undercutting in the second-layered aluminum wires.
Career Highlights
Nobuyoshi Chida is associated with Kabushiki Kaisha Toshiba, a leading company in the technology sector. His work at Toshiba has allowed him to push the boundaries of semiconductor technology, contributing to advancements that benefit various electronic applications.
Collaborations
Chida has collaborated with notable coworkers, including Masayuki Yoshida and Osamu Matsumoto. Their combined expertise has fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies in the semiconductor field.
Conclusion
Nobuyoshi Chida's contributions to semiconductor technology exemplify the spirit of innovation. His patents reflect a commitment to enhancing fabrication processes, which are vital for the advancement of electronic devices. Through his work at Toshiba and collaborations with esteemed colleagues, Chida continues to influence the future of technology.