Hiromitsu Yokoyama

Title: Hiromitsu Yokoyama: Innovator in Multilayer Ceramic Substrates

Introduction

Hiromitsu Yokoyama is a prominent inventor based in Sagamihara, Japan. He has made significant contributions to the field of multilayer ceramic substrates, holding a total of 11 patents. His innovative approaches have advanced manufacturing methods and materials used in electronic components.

Latest Patents

One of Yokoyama's latest patents is a manufacturing method for multilayer ceramic substrates. This method enhances adhesion between the substrate and thick film pads formed on its surface. The process involves screen-printing copper paste on a glass-ceramics green sheet to create a surface layer with multiple thick film pads connected to vias. Each pad is partially covered with a dielectric material. The green sheets for inner layers and the surface-layer green sheet are then laminated and bonded through heat and pressure, followed by firing at a specific temperature and time. Another notable patent involves a composition for the formation of ceramic vias, further showcasing his expertise in this area.

Career Highlights

Throughout his career, Yokoyama has worked with notable companies, including Fujitsu Corporation and Suzuki. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Yokoyama has collaborated with esteemed colleagues such as Nobuo Kamehara and Koichi Niwa. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hiromitsu Yokoyama's contributions to the field of multilayer ceramic substrates demonstrate his innovative spirit and dedication to advancing technology. His patents and collaborations reflect a commitment to excellence in engineering and materials science.