Yumiko Ito

Title: Yumiko Ito - Innovator in Semiconductor Materials

Introduction

Yumiko Ito is a prominent inventor based in Kokubu, Japan. She has made significant contributions to the field of semiconductor materials, particularly through her innovative work on aluminum nitride sintered bodies. Her research and inventions have implications for various applications, including static electricity removal and electrostatic chucks.

Latest Patents

Yumiko Ito holds a patent for a semi-insulating aluminum nitride sintered body. This invention comprises aluminum nitride particles and electroconductive fine particles with a volume inherent resistivity value not larger than 10² Ω·cm. These components are dispersed among the aluminum nitride particles, along with an intergranular phase formed from an oxide containing elements such as Ti, Ce, Ni, Ta, Y, Er, and Yb, or from Si. The resulting sintered body exhibits a volume inherent resistivity value ranging from 10⁴ to 10¹¹ Ω·cm, making it highly useful for applications like static electricity removal and as a dielectric layer in electrostatic chucks. The small dispersion of volume inherent resistivity values allows for the production of materials with consistent properties, leading to high yield and productivity.

Career Highlights

Yumiko Ito is currently employed at Kyocera Corporation, where she continues to advance her research in semiconductor materials. Her work has garnered attention for its practical applications and innovative approach to material science.

Collaborations

Yumiko collaborates with notable colleagues, including Takero Fukudome and Kazuhiko Mikami. Their combined expertise contributes to the success of their projects and the advancement of technology in their field.

Conclusion

Yumiko Ito's contributions to the field of semiconductor materials through her patent on semi-insulating aluminum nitride sintered bodies highlight her innovative spirit and dedication to advancing technology. Her work not only enhances productivity but also opens new avenues for applications in various industries.