Masashi Miyazaki

Title: Masashi Miyazaki: Innovator in Multilayer Circuit Board Technology

Introduction

Masashi Miyazaki is a prominent inventor based in Hadano, Japan. He has made significant contributions to the field of electronics, particularly in the development of multilayer circuit boards. With a total of 7 patents to his name, Miyazaki's work has had a lasting impact on the industry.

Latest Patents

One of his latest patents is for a multilayer circuit board that features an insulating layer with via-holes. This innovative design allows for a resolution in the range of 25-80 µm, with blind via-holes between layers. The blind via-holes have an aspect ratio ranging from 2.0 to 0.6, facilitating access between the layers. The insulating layer, which contains these blind via-holes, has a glass transition temperature between 150-220 °C, utilizing a photosensitive resin composition. This composition not only provides a preferable resolution but also enhances heat resistance. The multilayer circuit board is designed to reduce thermal stress during various processes, such as reflow and gold wire bonding, thereby minimizing the risk of peeling and deformation. This advancement allows for a decrease in the size and weight of electronic devices.

Career Highlights

Miyazaki has worked with notable companies, including Hitachi, Ltd. His experience in these organizations has contributed to his expertise in circuit board technology and innovation.

Collaborations

Throughout his career, Masashi Miyazaki has collaborated with esteemed colleagues, including Akio Takahashi and Mineo Kawamoto. These partnerships have fostered a collaborative environment that has led to significant advancements in their field.

Conclusion

Masashi Miyazaki's contributions to multilayer circuit board technology exemplify his innovative spirit and dedication to advancing electronic design. His patents reflect a commitment to improving the functionality and efficiency of electronic devices.