Sadamitsu Jumonji

Title: Sadamitsu Jumonji: Innovator in Flexible Printed Circuit Board Technology

Introduction

Sadamitsu Jumonji is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electronics, particularly in the development of flexible printed circuit boards (FPCs). His innovative work has implications for various applications in modern technology.

Latest Patents

Jumonji holds a patent for a flexible printed circuit board. This invention comprises a base film, a base film side adhesive layer, a metal foil layer with a patterned circuit, and a cover layer side adhesive layer. Notably, at least one of the adhesive layers has a higher glass transition temperature than the operating temperature of the FPC. This design ensures that the flexible printed circuit board maintains stable flexibility even at high temperatures.

Career Highlights

Sadamitsu Jumonji is associated with Fujikura Limited, a company known for its advancements in telecommunications and electronics. His work at Fujikura has allowed him to focus on innovative solutions that enhance the performance and reliability of electronic components.

Collaborations

Throughout his career, Jumonji has collaborated with esteemed colleagues such as Nobuo Tanabe and Kenichi Okada. These partnerships have fostered a creative environment that encourages the exchange of ideas and technological advancements.

Conclusion

Sadamitsu Jumonji's contributions to the field of flexible printed circuit boards exemplify the spirit of innovation in electronics. His patent reflects a commitment to enhancing technology for various applications. His work continues to influence the industry and inspire future advancements.