Hiroyuki Deai

Title: Innovations by Hiroyuki Deai

Introduction

Hiroyuki Deai is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of semiconductor technology, holding three patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of his latest patents is for silica spherical particles intended for semiconductor sealing material. The invention aims to provide silica particles with minimized maximum particle diameters while achieving fluidity that surpasses conventional techniques. These silica spherical particles, when used as fillers in heat-dissipating sheets, demonstrate excellent heat conductivity and flexibility. The specific requirements for these particles include D99 being less than or equal to 29 μm, with Dmode values that fall within defined ranges to ensure optimal performance.

Another significant patent by Deai is a bonding wire for semiconductor devices. This invention enhances the bonding reliability of ball-bonded parts and improves ball formability, making it suitable for on-vehicle devices. The bonding wire features a copper alloy core material with a palladium coating layer. The copper alloy core contains nickel at a concentration of 0.1 to 1.2 wt. % relative to the entire wire, and the palladium coating layer has a thickness ranging from 0.015 to 0.150 μm.

Career Highlights

Hiroyuki Deai has worked with prominent companies in the industry, including Nippon Steel Chemical & Material Co., Ltd. and Nippon Micrometal Corporation. His experience in these organizations has contributed to his development as an inventor and has allowed him to apply his innovative ideas in practical applications.

Collaborations

Throughout his career, Deai has collaborated with talented individuals such as Tetsuya Oyamada and Tomohiro Uno. These partnerships have likely fostered an environment of creativity and innovation, leading to the successful development of his patents.

Conclusion

Hiroyuki Deai's contributions to semiconductor technology through his patents reflect his dedication to innovation and excellence. His work continues to influence the industry and showcases the importance of research and development in advancing technology.