Dai Kusano

Title: Dai Kusano: Innovator in Silicon Nitride Technology

Introduction

Dai Kusano is a prominent inventor based in Shunan, Japan. He is known for his significant contributions to the field of materials science, particularly in the development of silicon nitride sintered substrates. His innovative work addresses critical issues in the manufacturing process, enhancing the quality and performance of electronic components.

Latest Patents

Kusano holds a patent for a silicon nitride sintered substrate. This invention provides a solution to reduce contamination caused by boron nitride powder, which is commonly used as a releasing agent. The patent details a substrate that minimizes bonding strength and dielectric strength problems during the lamination of metal layers. The silicon nitride substrate, in its unpolished state after sintering, features a cumulative volume of pores with a diameter ranging from 1 to 10 μm, not exceeding 7.0×10 mL/cm. Additionally, the surface roughness (Ra) is maintained at no more than 0.6 μm, with an arithmetic mean peak curvature (Spc) of no more than 4.5 [1/mm].

Career Highlights

Dai Kusano is associated with Tokuyama Corporation, where he has made significant strides in materials innovation. His work has not only advanced the understanding of silicon nitride substrates but has also contributed to the broader field of electronic materials.

Collaborations

Kusano has collaborated with notable colleagues, including Hideaki Kawai and Norihira Mitsumura. Their combined expertise has fostered advancements in the development of high-performance materials.

Conclusion

Dai Kusano's contributions to the field of silicon nitride technology exemplify the impact of innovative thinking in materials science. His patent for a silicon nitride sintered substrate addresses critical challenges in the industry, showcasing his role as a leading inventor in this domain.