Norio Yamagata

Title: Norio Yamagata: Innovator in SiC Single Crystal Production

Introduction

Norio Yamagata is a prominent inventor based in Fukui, Japan, known for his significant contributions to the field of semiconductor materials. He holds a total of seven patents, showcasing his expertise and innovative spirit in the production of silicon carbide (SiC) single crystals.

Latest Patents

Yamagata's latest patents include a method for producing SiC single crystals and a method for suppressing dislocations in SiC single crystals. The first patent describes a process where a SiC crucible is created by impregnating a molten alloy of silicon and a metallic element that increases carbon solubility into a SiC sintered body. This method allows for the growth of high-quality SiC single crystals through a vapor phase process. The second patent focuses on using a crucible with an oxygen content of 100 ppm or less, which is essential for producing SiC single crystals with minimal dislocations.

Career Highlights

Yamagata has made remarkable strides in his career, particularly through his work at Shin-Etsu Chemical Co., Ltd. His innovative methods have paved the way for advancements in semiconductor technology, particularly in the production of SiC, which is crucial for high-performance electronic devices.

Collaborations

Throughout his career, Yamagata has collaborated with notable colleagues, including Naofumi Shinya and Takehisa Minowa. These partnerships have contributed to the development of cutting-edge technologies in the semiconductor industry.

Conclusion

Norio Yamagata's contributions to the field of SiC single crystal production highlight his role as a leading inventor in semiconductor technology. His innovative methods and collaborative efforts continue to influence advancements in the industry.