Hideaki Tanaka

Title: Innovations of Hideaki Tanaka in Silicon Carbide Production

Introduction

Hideaki Tanaka is a notable inventor based in Kagoshima, Japan. He has made significant contributions to the field of materials science, particularly in the production of silicon carbide. With a total of 2 patents, his work focuses on enhancing the efficiency and purity of silicon carbide powders.

Latest Patents

Tanaka's latest patents include a method for producing silicon carbide powder and a method for producing silicon carbide single crystals. The first patent describes a silicon carbide powder that improves productivity in the sublimation recrystallization method. This innovation allows for a high sublimation rate while minimizing the amount of silicon carbide that remains unsublimated. The resulting silicon carbide single crystal can be produced in larger sizes, such as single crystal wafers. The specific surface area of the silicon carbide powder ranges from 250 cm/g to 1,000 cm/g, with a significant portion of the powder having a particle size between 0.70 mm and 3.00 mm.

The second patent focuses on a high-purity silicon carbide powder and its production method. This method enables the mass production of high-purity silicon carbide at a low cost and in a safe manner. The impurity content in the silicon carbide powder is maintained at 500 ppm or less. The production process involves heating a mixture of siliceous and carbonaceous raw materials in an Acheson furnace, ensuring a mixture mole ratio of 2.5 to 4.0 and an impurity content of 120 ppm or less.

Career Highlights

Throughout his career, Tanaka has worked with prominent organizations such as Taiheiyo Cement Corporation and the National Institute of Advanced Industrial Science and Technology. His experience in these institutions has contributed to his expertise in materials science and innovation.

Collaborations

Tanaka has collaborated with notable colleagues, including Kenta Masuda and Kouki Ichitsubo. These partnerships have likely facilitated the advancement of his research and the successful development of his patents.

Conclusion

Hideaki Tanaka's contributions to the field of silicon carbide production demonstrate his innovative spirit and commitment to advancing materials science. His patents reflect a deep understanding of the complexities involved in producing high-quality silicon carbide, which has significant implications for various industrial applications.