Akihiro Terai

Title: Akihiro Terai: Innovator in Semiconductor Cleaning Solutions

Introduction

Akihiro Terai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of cleaning solutions for semiconductor devices. His innovative approach addresses critical challenges in maintaining the integrity of semiconductor wafers.

Latest Patents

Terai holds a patent for a cleaner specifically designed for semiconductor devices. This invention aims to provide a solution capable of removing particles and metal impurities from the surface of a wafer without causing corrosion to wirings or gates. The cleaner operates effectively at normal temperatures and utilizes a one-pack type solution. The formulation includes an aqueous solution containing phosphoric acid, hydrofluoric acid, and ammonia and/or amine, with a pH ranging from 2 to 12. The solution comprises 0.5 to 25 mass % of phosphoric acid, 0.1 to 10 mass % of ammonia and/or amine, and 5×10 to 5.0 mass % of hydrofluoric acid. This innovative cleaner enhances the efficiency of semiconductor manufacturing processes.

Career Highlights

Throughout his career, Akihiro Terai has worked with several prominent companies, including Kishimoto Sangyo Co., Ltd. and Fine Polymers Corporation. His experience in these organizations has contributed to his expertise in semiconductor cleaning technologies.

Collaborations

Terai has collaborated with notable colleagues in his field, including Shigemasa Suga and Shigeru Kamon. These partnerships have fostered innovation and advancements in semiconductor cleaning solutions.

Conclusion

Akihiro Terai's contributions to the semiconductor industry through his innovative cleaning solutions demonstrate his commitment to enhancing manufacturing processes. His patent reflects a significant advancement in the field, ensuring the integrity of semiconductor devices.