Kazumasa Okuma

Title: Kazumasa Okuma: Innovator in Vacuum Processing Technology

Introduction

Kazumasa Okuma, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of vacuum processing. With a focus on enhancing the efficiency of semiconductor manufacturing, Okuma has been recognized for his innovative ideas and practical solutions.

Latest Patents

Kazumasa Okuma holds a patent for a vacuum processing method designed to prevent particle adherence to wafers during titanium-based reactions. This patent outlines a methodology applicable to plasma processing apparatuses that includes a sophisticated setup comprised of a sample stage within a vacuum chamber, a radio frequency coil for plasma formation, and a heating device utilizing electromagnetic waves. The method incorporates crucial steps for etching titanium-containing films and effectively cleaning the processing chamber using a mixture of nitrogen trifluoride, argon, and chlorine gases.

Career Highlights

Currently, Kazumasa Okuma is affiliated with Hitachi High-Tech Corporation, where he applies his expertise in semiconductor processing technologies. His work not only enhances the manufacturing processes at the company but also contributes broadly to advancements in the semiconductor industry.

Collaborations

Throughout his career, Okuma has collaborated with notable professionals in his field, including Nozomu Yoshioka and Takao Arase. These partnerships have enriched his research and development efforts, leading to innovative solutions that address critical challenges in vacuum processing.

Conclusion

Kazumasa Okuma exemplifies innovation in the realm of vacuum processing technology. His patented method showcases his commitment to advancing the semiconductor industry, making him a notable figure among inventors in this critical technological sector.