Shinji Makigawa

Title: The Innovations of Shinji Makigawa

Introduction

Shinji Makigawa is a notable inventor based in Gunma, Japan. He has made significant contributions to the field of materials science, particularly in the growth of single crystals. His work has implications for various applications, including optics and electronics.

Latest Patents

Makigawa holds a patent for the "Single crystal growing of rare earth-gallium garnet." This invention represents an improvement in the Czochralski single crystal growing process for rare earth-gallium garnets, such as gadolinium gallium garnet. The method allows for the production of single crystal boules with a relatively large diameter and minimal crystal defects. The process involves maintaining the melt of the oxide mixture in an iridium crucible for at least 15 hours before initiating crystal growth. Additionally, the introduction of certain additive gases, such as water vapor, carbon dioxide, and oxygen, into the nitrogen-rich atmosphere during crystal growth enhances the quality of the crystals and reduces particulate inclusions.

Career Highlights

Shinji Makigawa is associated with Shin-Etsu Chemical Co., Ltd., where he has been able to apply his innovative techniques in crystal growth. His work has contributed to advancements in the production of high-quality materials essential for various technological applications.

Collaborations

Throughout his career, Makigawa has collaborated with esteemed colleagues, including Susumu Sakaguchi and Ken Itoh. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Shinji Makigawa's contributions to the field of single crystal growth have paved the way for advancements in materials science. His innovative methods and collaborative efforts continue to influence the industry positively.