Company Filing History:
2 out of 832,843 Years Active: 2002-2003
Title: Inventor Shigeki Sunada: Pioneering Innovations in Semiconductor Technology
Introduction: Shigeki Sunada, an accomplished inventor based in Hyogo, Japan, has made significant contributions to the field of semiconductor technology. With a total of two patents to his name, Sunada's work focuses on enhancing the reliability and efficiency of semiconductor devices through innovative manufacturing methods.
Latest Patents: Among Sunada's most notable inventions are two patents that stand out for their technical advancements. The first patent, titled "Semiconductor device, and method of manufacturing the same," describes a semiconductor device featuring multilayer wiring. This innovation establishes a precise method for forming an interconnection hole, which interconnects an upper wiring layer with a lower wiring layer. By utilizing a specific combination of silicon oxide and silicon nitride films within the manufacturing process, Sunada has significantly improved the reliability of multilayer wiring.
His second patent, "Manufacturing method of semiconductor device having capacitive element," details a process for forming a dielectric layer on a lower electrode. This advancement allows for the creation of upper electrodes that effectively fill a plug hole to ensure a functional interface between the lower electrode and the capacitive element. Sunada’s method also prevents the diffusion of metal atoms from the lower electrode, contributing to enhanced performance and reliability.
Career Highlights: Throughout his career, Shigeki Sunada has established himself as a key figure in semiconductor technology. His innovative work consistently seeks to address crucial challenges in the industry, leading to improvements that facilitate the development of more reliable and efficient devices.
Collaborations: Sunada has had the privilege to collaborate with esteemed colleagues like Yoshifumi Takata and Junko Izumitani. These partnerships have contributed to the dynamic exchange of ideas that fuel innovative advancements in semiconductor technology.
Conclusion: Shigeki Sunada’s contributions to the field of semiconductor devices exemplify the essence of innovation in technology. With his inventive methods and collaborative spirit, he continues to drive significant advancements in the industry, paving the way for future developments that enhance device performance and reliability.