Takumi Odaira

Title: Takumi Odaira: Innovator in Pure Copper Materials

Introduction

Takumi Odaira is a prominent inventor based in Kitamoto, Japan. He has made significant contributions to the field of materials science, particularly in the development of pure copper materials. With a total of 2 patents, his work has garnered attention for its innovative approaches and practical applications.

Latest Patents

Odaira's latest patents focus on pure copper materials, insulating substrates, and electronic devices. One of his notable inventions describes a pure copper material that contains Cu in an amount of 99.9 mass % or more and 99.999 mass % or less. This material features an average crystal grain size in a rolled surface of 10 μm or more. The invention also specifies that when a measurement area of 1 mm or more is analyzed using the EBSD method, measurement points with a CI value of 0.1 or less are excluded. Additionally, boundaries between adjacent pixels with a misorientation of 5° or more are regarded as crystal grain boundaries, with an average local orientation spread (LOS) of 2.00° or less.

Another patent by Odaira details a pure copper material that includes Cu in an amount of 99.96 mass % or more. This material incorporates one or more A-group elements, such as Ca, Ba, and Sr, along with one or more B-group elements like O, S, and Se, in a total amount of 10 mass ppm or more and 300 mass ppm or less. The average crystal grain size in this rolled surface is specified to be 15 μm or more, and it exhibits a high-temperature Vickers hardness at 850° C. ranging from 4.0 HV to 10.0 HV.

Career Highlights

Takumi Odaira is currently employed at Mitsubishi Materials Corporation, where he continues to innovate in the field of materials science. His work has not only advanced the understanding of pure copper materials but has also contributed to the development of new applications in electronic devices.

Collaborations

Odaira collaborates with talented coworkers, including Yuki Ito and Kenichiro Kawasaki. Their combined expertise fosters a creative environment that enhances the potential for groundbreaking innovations.

Conclusion

Takumi Odaira's contributions to the field of pure copper materials exemplify the spirit of innovation. His