Masaji Homma

Title: Masaji Homma: Innovator in Printed Circuit Board Technology

Introduction

Masaji Homma is a notable inventor from Shimodate, Japan, recognized for his contributions to the field of printed circuit board technology. His innovative approach has led to advancements that enhance the durability and reliability of circuit boards, making them more efficient and cost-effective.

Latest Patents

Homma holds a patent for a method of making printed circuit boards. This novel circuit board design incorporates circuit portions, including pad portions, through-hole portions, and conductors, formed within vacant areas defined by a cured photopolymeric resin composition. The vacant portions are then plated with electroless copper. This method allows for the conductors to be covered with resin composition, eliminating fears of mechanical and chemical damage. Additionally, it significantly reduces the amount of copper required when all circuit portions are plated. The process involves applying a specific photopolymerizable resin composition onto a laminate, irradiating it with ultraviolet rays, and treating it with a solvent to remove unexposed resin. This results in a durable printed circuit board with high precision and density at a low cost.

Career Highlights

Masaji Homma is associated with Hitachi Chemical Company, Ltd., where he has made significant contributions to the development of advanced materials and technologies in the electronics sector. His work has been instrumental in improving the manufacturing processes of printed circuit boards.

Collaborations

Homma has collaborated with notable colleagues, including Hiroharu Kamiyama and Yukihiko Wada, to further enhance the innovations in printed circuit board technology.

Conclusion

Masaji Homma's innovative methods in printed circuit board technology have paved the way for more efficient and reliable electronic components. His contributions continue to impact the industry positively, showcasing the importance of innovation in technology.