Eiki Tsushima

Title: Eiki Tsushima: Innovator in Circuit Board Technology

Introduction

Eiki Tsushima is a notable inventor based in Chitose, Japan. He has made significant contributions to the field of circuit board technology, particularly through his innovative patent that enhances the reliability and performance of circuit boards.

Latest Patents

Eiki Tsushima holds a patent for a laminate for circuit boards. This laminate comprises a metal nitride sintered board and a copper sheet. It features a minimum length from the center of a plane to the peripheral edge of 50 mm or more. Additionally, it has a void ratio X of 0.50% or less, which is the ratio of the total length of voids with a diameter of 1 μm or more at the bonding interface of the metal nitride sintered board and the copper sheet. This invention provides a laminate that excels in heat radiation capability and minimizes the retention of etching solutions at the bonding interface, thereby enhancing product reliability.

Career Highlights

Eiki Tsushima is associated with Tokuyama Corporation, where he has been instrumental in advancing circuit board technologies. His work has contributed to the development of high-performance materials that are essential in modern electronics.

Collaborations

Eiki Tsushima has collaborated with Ryuji Ishimoto, working together to push the boundaries of innovation in their field.

Conclusion

Eiki Tsushima's contributions to circuit board technology through his patent demonstrate his commitment to innovation and excellence. His work continues to influence the industry, paving the way for future advancements in electronic materials.