Hiroyuki Yamada

Title: Hiroyuki Yamada: Innovator in Soldering Technology

Introduction

Hiroyuki Yamada is a notable inventor based in Obu, Japan. He has made significant contributions to the field of soldering technology, particularly in the development of lead-free soldering materials. With a total of 3 patents to his name, Yamada's work has had a considerable impact on the electronics industry.

Latest Patents

Yamada's latest patents include innovative solutions for soldering processes. One of his key inventions is a flux for lead-free solder and soldering method. This soldering flux is designed to be suitable as a no-clean post flux in flow soldering. It effectively prevents the formation of whiskers, which can occur when soldering electronic parts to printed circuit boards using lead-free solder. The flux contains a rosin base resin and an activator, along with 0.2-4 mass % of selected compounds from acid phosphate esters and their derivatives. Additionally, Yamada has developed a bonding material for semiconductor devices. This material ensures that internal bonds do not melt during the mounting process on a substrate. It is created by filling the pores of a porous metal body with Sn or an Sn-based solder alloy.

Career Highlights

Throughout his career, Hiroyuki Yamada has worked with prominent companies in the industry. He has been associated with Denso Corporation and Senju Metal Industry Co., Ltd., where he has contributed to various innovative projects. His expertise in soldering technology has made him a valuable asset in these organizations.

Collaborations

Yamada has collaborated with several talented individuals in his field. Notable coworkers include Takuji Sukekawa and Noriyasu Inomata, who have worked alongside him on various projects.

Conclusion

Hiroyuki Yamada's contributions to soldering technology and his innovative patents have significantly advanced the field. His work continues to influence the electronics industry, showcasing the importance of innovation in technology.