Yuji Ohkuma

Title: Innovations of Yuji Ohkuma

Introduction

Yuji Ohkuma is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of wafer processing technology. With a total of 4 patents to his name, his work has been influential in enhancing the efficiency and cleanliness of wafer transfer systems.

Latest Patents

One of Yuji Ohkuma's latest patents is a method for transferring wafers from one processing station to another. This innovative method utilizes a transfer system installed in a clean bench that forms a downward flow of clean air. The system includes multiple stations for processing wafers, and it features a transfer robot capable of carrying several wafers. The robot moves sequentially between stations for processing, while an exhaust duct along its path helps maintain air quality. The method involves providing partition walls for each transfer robot, which surround the wafers and define an airflow chamber. An air filter is positioned atop the chamber to ensure a downward airflow, and the total amount of clean air supplied to the transfer system is controlled to be less than that supplied to the clean bench.

Career Highlights

Yuji Ohkuma is currently employed at Fujitsu Corporation, where he continues to innovate in the field of semiconductor processing. His work has been pivotal in developing technologies that improve the efficiency and safety of wafer handling.

Collaborations

Yuji collaborates with Yasunari Motoki, contributing to advancements in their shared field of expertise.

Conclusion

Yuji Ohkuma's contributions to wafer processing technology exemplify the impact of innovative thinking in the semiconductor industry. His patents reflect a commitment to improving processes that are crucial for modern technology.