Motohiro Negishi

Title: Motohiro Negishi: Innovator in Semiconductor Bonding Technologies

Introduction

Motohiro Negishi, a prominent inventor based in Tokyo, Japan, has made significant contributions to the field of semiconductor technologies. With a remarkable six patents to his name, his innovative approaches have paved the way for advancements in bonded object production and semiconductor devices.

Latest Patents

Negishi's recent patents include a "Method for Producing Bonded Object and Semiconductor Device" and "Copper Bonding Paste." In the former, the invention outlines a comprehensive method for creating a bonded object, which involves preparing a laminate comprising a first member, a copper bonding paste, and a second member. The process includes sintering the copper bonding paste under specific pressure conditions (0.1-1 MPa). This copper bonding paste notably contains metal particles, with a composition that features 50 mass % or more of metal particles, of which submicro copper particles account for 95 mass % or more.

His "Member Connection Method" also holds significant technical relevance. It introduces a printing step that creates a print pattern with both coated and non-coated regions. This method further enhances the bonding process through the strategic division of the coated area into concentric and radial regions, enabling effective connection of various points in assembly.

Career Highlights

Throughout his career, Negishi has worked with esteemed organizations, particularly Showa Denko Materials Co., Ltd. and Resonac Corporation. His experience with these companies has amplified his knowledge and expertise in material production and semiconductor technology.

Collaborations

Motohiro Negishi has proudly collaborated with notable coworkers including Yuki Kawana and Hideo Nakako. Their joint efforts have contributed to enriching the development of semiconductor bonding technologies, showcasing a shared commitment to innovation.

Conclusion

In summary, Motohiro Negishi has established himself as a significant figure in the realm of semiconductor innovations. His patented methods and collaborative spirit continue to foster advancements in the industry, solidifying his role as an influential inventor in Tokyo, Japan.