Seiichiro Otsuka

Title: Seiichiro Otsuka: Innovator in Crystal Growth Technology

Introduction

Seiichiro Otsuka is a prominent inventor based in Tomioka, Japan. He has made significant contributions to the field of crystal growth technology, holding a total of 4 patents. His work has been instrumental in advancing methods for producing high-quality single crystals.

Latest Patents

One of his latest patents is a single crystal growing method and apparatus. This innovative crystal holding apparatus features a corrugated portion that is held by a lifting jig during the single-crystal growing process. The seed crystal is brought into contact with a material melt and is subsequently pulled while being rotated. The lifting jig's tip end includes a swinging portion that can hold or release the corrugated portion, enhancing the reliability of the process. A lock mechanism is also integrated to facilitate the opening and closing operation of the swinging portion. This design allows for the effective holding of the corrugated portion of a crystal while it is being pulled, particularly in accordance with the Czochralski (CZ) method.

Career Highlights

Seiichiro Otsuka has dedicated his career to the development of advanced crystal growth techniques. His work at Shin-Etsu Handotai Co., Ltd. has positioned him as a key figure in the industry. His innovative approaches have not only improved the efficiency of crystal production but have also contributed to the overall quality of the crystals produced.

Collaborations

Throughout his career, Otsuka has collaborated with notable colleagues, including Yasushi Nakamura and Eiichi Iino. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Seiichiro Otsuka's contributions to crystal growth technology exemplify the impact of innovation in the field. His patents and collaborative efforts continue to influence advancements in crystal production methods.