Jin-yu Qiu

Title: Jin-yu Qiu: Innovator in Aluminum Nitride Powder Production

Introduction

Jin-yu Qiu is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of materials science, particularly in the production of aluminum nitride powder. His innovative approach has led to advancements in substrate materials used in various applications.

Latest Patents

Jin-yu Qiu holds a patent for "Aluminum nitride powder, method for producing the same and use thereof." This invention focuses on producing aluminum nitride powder that can be transformed into a sintered body at temperatures not exceeding 1600°C. The resulting sintered aluminum nitride exhibits high density and thermal conductivity, making it suitable for use as a substrate material. The production process involves a vapor phase reaction apparatus where ammonia gas and nitrogen gas containing an organic aluminum compound are utilized to obtain aluminum nitride powder. The powder undergoes heat treatment in a reducing or inert gas atmosphere, followed by mechanical treatment to achieve specific surface area and particle size characteristics.

Career Highlights

Throughout his career, Jin-yu Qiu has worked with prominent organizations such as Mitsui Chemicals, Inc. and the Advanced Industrial Science and Technology. His experience in these companies has allowed him to refine his expertise in materials science and patent development.

Collaborations

Jin-yu Qiu has collaborated with notable colleagues, including Masato Yamazaki and Kenshi Mitsuishi. These partnerships have contributed to his innovative work and the advancement of technology in his field.

Conclusion

Jin-yu Qiu's contributions to the development of aluminum nitride powder highlight his role as an influential inventor in materials science. His patented methods and collaborative efforts continue to impact the industry positively.