Akira Matsunaga

Title: Akira Matsunaga: Innovator in Semiconductor Technology

Introduction

Akira Matsunaga is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of semiconductor technology, holding 2 patents that showcase his innovative approach to device design.

Latest Patents

Matsunaga's latest patents include a glass-moulded type semiconductor device. This device features a semiconductor arrangement composed of at least one semiconductor pellet with a P-N junction. The edges of the pellet are exposed to the peripheral surfaces, and it includes a pair of electrodes secured to opposite ends through a brazing material. The first mould glass layer passivates the P-N junction, while the second mould glass layer is secured to the first. The thermal expansion coefficients of these layers are carefully selected to ensure optimal performance.

Another significant patent is the glass-encapsulated semiconductor device. This device is characterized by a rectifier unit that comprises a lamination of electrically series-connected semiconductor pellets and an electric-conductive spacer. The peripheral surface of the rectifier unit is covered with a protective glass layer, ensuring durability and efficiency in operation.

Career Highlights

Matsunaga works at Hitachi, Ltd., a leading company in technology and innovation. His work has contributed to advancements in semiconductor devices, enhancing their functionality and reliability.

Collaborations

Matsunaga has collaborated with notable coworkers, including Kensuke Suzuki and Keiichi Morita. Their combined expertise has fostered innovation in semiconductor technology.

Conclusion

Akira Matsunaga's contributions to semiconductor technology through his patents reflect his dedication to innovation. His work at Hitachi, Ltd. continues to influence the industry positively.