Takeshi Aoyama

Title: Innovations of Takeshi Aoyama in Silicon Production

Introduction

Takeshi Aoyama is a notable inventor based in Niigata, Japan. He has made significant contributions to the field of silicon production, holding two patents that enhance the efficiency and purity of chlorosilanes and polycrystalline silicon.

Latest Patents

Aoyama's latest patents include a method for purifying chlorosilanes and a method for producing polycrystalline silicon. The purification method involves a multi-step process that includes hydrogenation and chlorination steps, impurity conversion, and purification. This innovative approach allows for the conversion of donor and acceptor impurities into high-boiling substances, leading to the recovery of high-purity chlorosilanes. His method for producing polycrystalline silicon focuses on recycling by-product mixtures in a CVD reactor, enhancing yield and reducing carbon contamination through hyper-chlorination of methyl chlorosilanes.

Career Highlights

Aoyama is currently employed at Shin-Etsu Chemical Co., Ltd., a leading company in the chemical industry. His work has been pivotal in advancing the production processes of silicon materials, which are essential for various technological applications.

Collaborations

Some of Aoyama's notable coworkers include Takaaki Shimizu and Kyoji Oguro, who have collaborated with him on various projects within the company.

Conclusion

Takeshi Aoyama's innovative methods in silicon production demonstrate his commitment to enhancing industrial processes. His contributions are vital for the advancement of materials used in technology today.