Yasuhiro Tomita

Title: Yasuhiro Tomita: Innovator in Semiconductor Polishing Methods

Introduction

Yasuhiro Tomita is a notable inventor based in Hiratsuka, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the area of polishing methods for semiconductor wafers. His innovative approach has garnered attention in the industry.

Latest Patents

Yasuhiro Tomita holds a patent for a polishing method for semiconductor wafers. This method includes a slurry adjusting step that fine-tunes a polishing slurry containing silica particles. The adjustment ensures that the number of silica particles, with a composition ratio of Si/O of 50–60 wt %/40–50 wt %, a modulus of elasticity of 1.4×10 Pa or higher, and a particle size of 1 µm or larger, is limited to 3000 pcs/ml or less. The semiconductor wafer is then polished using this specially adjusted polishing slurry.

Career Highlights

Yasuhiro Tomita is currently associated with Sumco Techxiv Corporation, where he continues to develop and refine innovative technologies in semiconductor manufacturing. His work has been instrumental in enhancing the efficiency and effectiveness of semiconductor wafer polishing processes.

Collaborations

Yasuhiro has collaborated with notable colleagues such as Kazuaki Kozasa and Motoharu Yamada. Their combined expertise contributes to the advancement of semiconductor technologies.

Conclusion

Yasuhiro Tomita's contributions to semiconductor polishing methods exemplify the importance of innovation in technology. His patent and ongoing work at Sumco Techxiv Corporation highlight his role as a key figure in the semiconductor industry.