Tohru Tanigawa

Title: Tohru Tanigawa: Innovator in Copper Alloys for Electronic Instruments

Introduction

Tohru Tanigawa is a notable inventor based in Nikko, Japan. He has made significant contributions to the field of materials science, particularly in the development of copper alloys for electronic instruments. His innovative work has led to advancements that are crucial for the electronics industry.

Latest Patents

Tanigawa holds a patent for a copper alloy specifically designed for electronic instruments. This alloy comprises 2.0 to 7.0 wt. % of tin (Sn), 1.0 to 6.0 wt. % in total of at least one kind of nickel (Ni), cobalt (Co), and chromium (Cr), 0.1 to 2.0 wt. % of silicon (Si), with the remainder being copper (Cu) and unavoidable impurities. The patent emphasizes that the content of oxygen in unavoidable impurities should not exceed 50 ppm, and the content of sulfur should not exceed 20 ppm. Additionally, the average particle diameter of precipitates is specified to be no larger than 10 micrometers. The applications of this copper alloy include lead materials for semiconductor elements, as well as connectors, sockets, springs, and terminals for electronic and electric instruments.

Career Highlights

Tanigawa is associated with The Furukawa Electric Co., Ltd., where he has been instrumental in advancing the company's research and development efforts in electronic materials. His work has not only contributed to the company's portfolio but has also enhanced the performance and reliability of electronic devices.

Collaborations

Throughout his career, Tanigawa has collaborated with esteemed colleagues such as Yoshimasa Ohyama and Shoji Shiga. These collaborations have fostered a productive environment for innovation and have led to the successful development of new materials and technologies.

Conclusion

Tohru Tanigawa's contributions to the field of copper alloys for electronic instruments exemplify the importance of innovation in technology. His patent and collaborative efforts continue to influence the electronics industry positively.