Tohru Kurushima

Title: Tohru Kurushima: Innovator in Solder Bump Technology

Introduction

Tohru Kurushima is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of solder bump technology, which is essential in the electronics industry. His innovative approach has led to advancements that enhance the reliability and performance of electronic components.

Latest Patents

Tohru Kurushima holds a patent for a "Method of forming solder bump, and solder bump." This invention involves a solder bump formed on a nickel electrode using a solder ball that contains bismuth (Bi) as the main component and tin (Sn) as a sub-component. The solder ball comprises Sn in a range from 1.0 to 10.0 mass percent and at most 1.0 mass percent of at least one of copper (Cu) and silver (Ag). The resulting solder joint portion obtained from this solder bump includes at least one of Sn and an SnBi eutectic alloy.

Career Highlights

Throughout his career, Tohru Kurushima has worked with prominent companies in the electronics sector. He has been associated with Murata Manufacturing Co., Ltd. and Senju Metal Industry Co., Ltd. His work in these organizations has allowed him to apply his innovative ideas and contribute to the development of advanced technologies.

Collaborations

Tohru has collaborated with several talented individuals in his field. Notable coworkers include Yasuyuki Sekimoto and Hidekiyo Takaoka, who have worked alongside him on various projects.

Conclusion

Tohru Kurushima's contributions to solder bump technology exemplify his innovative spirit and dedication to advancing the electronics industry. His patent and collaborations reflect his commitment to enhancing the reliability of electronic components.