Tomohiko Yamaguchi

Title: The Innovative Contributions of Tomohiko Yamaguchi

Introduction: Tomohiko Yamaguchi is a distinguished inventor based in Tokyo, Japan. With a remarkable portfolio of three patents, Yamaguchi has made significant advancements in the field of bonding materials used in electronic components. His innovative designs have garnered attention for their unique properties and practical applications.

Latest Patents: Among his latest inventions, Yamaguchi's bonding sheet stands out. This innovative bonding sheet utilizes a copper particle that exhibits reduced deterioration of sintering properties due to oxidation. It is engineered to form a dense bonding layer with fewer voids, ensuring a high bonding strength when used with electronic components. Additionally, this bonding sheet contains a solvent with a boiling point of 150° C or higher, and the copper particles are covered with an organic protective film. The mass ratio of copper particles to the solvent is designed to fall between 99:1 and 90:10, while the BET diameter of the copper particles ranges from 50 nm to 300 nm.

Another notable invention by Yamaguchi is the methodology for producing metal particle aggregates. This includes a composition of metal particle aggregates comprising both silver and copper particles. The specification identifies a proportion of these particles, along with their respective sizes and the protective film that covers their surfaces, highlighting Yamaguchi's attention to detail in the properties of metal particles used in various applications.

Career Highlights: Throughout his career, Tomohiko Yamaguchi has been affiliated with notable companies, including Mitsubishi Materials Corporation and Astellas Pharma GmbH. His work in these organizations has contributed to his understanding of materials science, allowing him to leverage his expertise in developing innovative solutions that meet industry demands.

Collaborations: Yamaguchi has worked alongside talented colleagues such as Tatsuya Niimi and Akio Kamikawa. Their collaboration has likely facilitated the exchange of ideas and fostered an environment ripe for innovation in their respective fields.

Conclusion: Tomohiko Yamaguchi's contributions to the realm of bonding materials have demonstrated his commitment to advancing technology through innovation. With his latest patents showcasing groundbreaking advancements, he continues to shape the future of electronic component manufacturing and materials science. His inventive spirit serves as an inspiration for current and aspiring inventors in the industry.