Yasushi Shimanuki

Title: Innovations of Yasushi Shimanuki

Introduction

Yasushi Shimanuki is a notable inventor based in Hasuda, Japan. He has made significant contributions to the field of crystal growth technology, holding a total of four patents. His work focuses on methods and apparatuses for growing silicon crystals and other dissociative compounds.

Latest Patents

One of his latest patents is a method and apparatus for growing silicon crystals. This method involves immersing a seed crystal in a silicon melt and pulling the seed crystal from the melt to grow a silicon single-crystal. The dwelling time of the silicon single-crystal, which is pulled in a temperature range of 1,050°C to 850°C, is set to be no longer than 140 minutes. The apparatus designed for this method includes a crucible, a pulling mechanism, and a temperature control shell, which cools the silicon single-crystal at a specified rate.

Another significant patent is for an apparatus for growing single crystals of dissociative compounds. This apparatus features a growth chamber sealed with a volatile component gas at a controlled pressure. The chamber is constructed from materials such as ceramics and heat-resistant metallic materials. It is designed to allow observation of the crystal growth through an optical window.

Career Highlights

Yasushi Shimanuki has worked with prominent companies, including Mitsubishi Kinzoku Kabushiki Kaisha and the Research Development Corporation of Japan. His experience in these organizations has contributed to his expertise in crystal growth technologies.

Collaborations

He has collaborated with notable coworkers, including Kenji Tomizawa and Koichi Sassa, who have also contributed to advancements in the field.

Conclusion

Yasushi Shimanuki's innovative work in crystal growth technology has led to significant advancements in the field. His patents reflect a deep understanding of the complexities involved in growing high-quality crystals, which are essential for various applications.