Makoto Ishii

Title: Makoto Ishii: Innovator in Wafer Manufacturing Technology

Introduction

Makoto Ishii is a prominent inventor based in Akita, Japan. He has made significant contributions to the field of wafer manufacturing, particularly through his innovative patent that addresses the challenges of product uniformity in wafer production.

Latest Patents

Ishii holds a patent for a wafer group, wafer manufacturing device, and wafer manufacturing method. This invention facilitates securing uniformity of products manufactured from a wafer group whose composition varies among wafers. The technique he developed excludes uncertain factors in forming orientation flats (OF), achieving extremely high probability and accuracy. The wafer group is constituted by a plurality of wafers obtained from the same ingot, with all wafers having an orientation flat. Notably, the wafer group consists of 70 or more wafers, and the OF orientation accuracy in each wafer is maintained within ±0.010°.

Career Highlights

Ishii is associated with Dowa Electronics Materials Co., Ltd., where he has been instrumental in advancing wafer manufacturing technologies. His work has not only enhanced product quality but also improved manufacturing efficiency.

Collaborations

Ishii has collaborated with notable colleagues, including Shinya Shoji and Junji Sugiura, contributing to the development of innovative solutions in the semiconductor industry.

Conclusion

Makoto Ishii's contributions to wafer manufacturing technology exemplify the impact of innovation in the semiconductor field. His patent reflects a commitment to enhancing product uniformity and manufacturing precision.