Company Filing History:
Years Active: 1995-1997
Title: Yasuji Tsujimoto: Innovator in Silicon Single Crystal Production
Introduction
Yasuji Tsujimoto is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of materials science, particularly in the production of silicon single crystals. With a total of 2 patents, Tsujimoto's work has advanced the technology used in semiconductor manufacturing.
Latest Patents
Tsujimoto's latest patents focus on processes and apparatuses for producing silicon single crystals with enhanced dielectric strength of gate oxide films. One of his patents describes a method that adjusts the temperature gradient of the pulled-up silicon single crystal without compromising the rate of pulling. This innovative process involves pulling the single crystal from a melt of material while maintaining a specific average temperature gradient at high temperatures. The apparatus includes a heating element positioned outside a crucible and a pulling shaft, which allows for precise control over the temperature gradient, ensuring it remains below 2.5°C/mm.
Career Highlights
Yasuji Tsujimoto is currently employed at Sumitomo Sitix Corporation, where he continues to develop advanced technologies in silicon crystal production. His expertise in this area has positioned him as a key figure in the industry, contributing to the ongoing evolution of semiconductor technology.
Collaborations
Tsujimoto has worked alongside notable colleagues such as Yoshihiro Akashi and Kaoru Kuramochi. Their collaborative efforts have further enhanced the research and development of innovative solutions in the field.
Conclusion
Yasuji Tsujimoto's contributions to the production of silicon single crystals have made a significant impact on the semiconductor industry. His innovative patents and ongoing work at Sumitomo Sitix Corporation highlight his role as a leading inventor in this critical field.