Tosihiro Fusayasu

Title: Tosihiro Fusayasu: Innovator in Semiconductor Packaging

Introduction

Tosihiro Fusayasu is a notable inventor located in Amagasaki, Japan. He has made significant contributions to the semiconductor industry, particularly in the area of high-frequency device packaging. With a keen focus on thermal conductivity and efficient manufacturing methods, his work is both innovative and practical.

Latest Patents

Fusayasu holds a patent for a novel Cu/Mo/Cu clad mounting designed for high-frequency devices. His invention outlines a semiconductor package and manufacturing method that enables the creation of an economical package characterized by high thermal conductivity. By utilizing a Cu/Mo/Cu clad material for the base plate, it effectively matches the thermal expansion of semiconductor chips. Furthermore, his design incorporates the control of glass thickness and lead dimensions to optimize impedance alignment between the wiring and semiconductor chip. The selective plating of only necessary areas with gold and the exterior with tin contributes to the overall effectiveness and efficiency of the package.

Career Highlights

Tosihiro Fusayasu is currently employed at Mitsubishi Electric Corporation, a leading company in the electrical and electronic equipment sector. His work at Mitsubishi involves the development and refinement of semiconductor packaging solutions, which are critical for the advancement of high-frequency technology.

Collaborations

Throughout his career, Fusayasu has collaborated with esteemed colleagues, such as Kenji Kagata and Hirotugu Yamada. These partnerships have allowed for the exchange of ideas and expertise, fostering a creative environment conducive to innovation within the semiconductor field.

Conclusion

In summary, Tosihiro Fusayasu is a dedicated inventor whose contributions to semiconductor packaging through his patent have positioned him as a valuable asset in the industry. His work, characterized by innovative approaches to design and manufacturing, continues to influence the development of high-frequency devices.