Fumihiko Momose

Title: The Innovations of Fumihiko Momose

Introduction

Fumihiko Momose is a distinguished inventor based in Nagano, Japan, known for his significant contributions to semiconductor technology. With a remarkable portfolio comprising 15 patents, Momose has made noteworthy advancements in the field of electronics, particularly in materials and manufacturing processes.

Latest Patents

Among his latest innovations, one prominent patent involves a semiconductor module and method for manufacturing the same. This patent details a semiconductor module designed to enhance the bonding properties between an insulated substrate and a sealing resin. The module features an insulated substrate, a circuit pattern formed on this substrate, semiconductor elements joined on the pattern, and a sealing resin that encapsulates the entire structure. A unique aspect of this patent is the specification regarding the surface roughness of the insulated substrate at the bonding interface, which is characterized by an average roughness of 0.15 µm or greater over a 300-µm wide range and 0.02 µm or greater over a 3-µm wide range.

Another significant innovation relates to a solder material for semiconductor devices. This lead-free solder exhibits high heat resistance and maintains excellent thermal conductive properties even at elevated temperatures. The composition of this solder includes more than 5.0% by mass and no more than 10.0% by mass of antimony (Sb), along with 2.0 to 4.0% by mass of silver (Ag), with the remainder consisting of tin (Sn) and inevitable impurities. This invention forms a crucial bonding layer between semiconductor elements and substrate electrodes or lead frames.

Career Highlights

Throughout his career, Fumihiko Momose has held significant positions at leading companies, including Fuji Electric Co., Ltd. and Dowa Metaltech Co., Ltd. His work at these firms has greatly influenced advancements in semiconductor technologies.

Collaborations

Momose has collaborated with numerous talented professionals in his field, including notable coworkers such as Yoshitaka Nishimura and Takashi Saito. These collaborations have facilitated innovative breakthroughs and have further enhanced the development of semiconductor technology.

Conclusion

Fumihiko Momose continues to be a vital figure in the realm of innovations, particularly in semiconductors. His patents not only reflect his expertise but also contribute to the progression of technology in electronics, showcasing the importance of research and development in this vital industry.