Junichi Shimamura

Title: Junichi Shimamura: Innovator in Electronic Parts and Magnetic Materials

Introduction

Junichi Shimamura, a distinguished inventor based in Tokyo, Japan, has significantly contributed to the fields of electronic components and magnetic materials. With a total of six patents to his name, his inventions showcase a commitment to enhancing the performance and efficiency of electronic devices.

Latest Patents

One of Shimamura's latest innovations is a dust core, which consists of a unique combination of a metal magnetic material, a resin, an insulation film, and an intermediate layer. The insulation film envelops the metal magnetic material, which contains 85 to 99.5 wt % of iron (Fe), alongside silicon (Si) and other elements. This design incorporates a Fe—Si—O based oxide in the intermediate layer, and a Si—O based oxide in the insulation film, aimed at improving the magnetic properties essential for modern electronics.

Another notable patent focuses on a method of manufacturing electronic parts, introducing a substrate holding technique that enhances the performance of electronic components. This method uses a plastic film adhered to a holding frame with an adhesive tape characterized by low gas release during high-temperature processes. Specifically, it maintains a gas release limit of 100.5 µg/g or less, thereby minimizing performance degradation in components like solar batteries during manufacturing.

Career Highlights

Junichi’s career includes significant roles at renowned companies such as TDK Corporation and Taiyo Yuden Co., Ltd. These positions have provided him with a robust platform to innovate and implement his ideas, contributing to advancements in electronic technology.

Collaborations

Throughout his career, Shimamura has collaborated with esteemed colleagues, including Mamoru Sakamoto and Kouji Yasukawa. Their collective expertise and insights have fostered an environment rich in innovation, leading to breakthroughs in the electronic component industry.

Conclusion

Junichi Shimamura's innovations reflect a deep understanding of the challenges faced in electronic manufacturing and magnetic material applications. With his impressive portfolio of patents and collaborative spirit, he continues to make a lasting impact on the industry, driving advancements that enhance the efficiency and effectiveness of electronic devices.