Masashi Iwamoto

Title: Masashi Iwamoto: Innovator in Printed Circuit Board Technology

Introduction

Masashi Iwamoto is a notable inventor based in Koka, Japan. He has made significant contributions to the field of printed circuit board technology, holding 2 patents that showcase his innovative designs and engineering expertise.

Latest Patents

Iwamoto's latest patents include advancements in printed wiring boards and printed circuit boards. The printed wiring board patent describes a structure that includes a base layer with insulating properties, a first conductive layer made of copper foil, and a second conductive layer also made of copper foil. This design features a stacked body for a via hole that connects the two conductive layers, enhanced by an electroless copper plating layer. The copper foils are characterized by copper crystal grains oriented in a plane orientation, with an average crystal grain size of 10 μm or greater, and the electroless copper plating layer includes palladium.

The printed circuit board patent outlines a similar structure, consisting of a first conductive layer, an insulating base layer, and a second conductive layer, all incorporating copper foil. This design also includes a via-hole laminate with an electroless copper plating layer and an electrolytic copper plating layer. The copper foil in this patent features copper crystal grains oriented in a (100) plane orientation, with an average crystal grain size of 10 μm or more. The electroless copper plating layer in this design includes both palladium and tin, with specific measurements for the palladium content.

Career Highlights

Throughout his career, Masashi Iwamoto has worked with prominent companies such as Sumitomo Electric Industries, Limited and Sumitomo Electric Printed Circuits, Inc. His experience in these organizations has allowed him to refine his skills and contribute to the development of cutting-edge technologies in the electronics industry.

Collaborations

Iwamoto has collaborated with notable colleagues, including Junichi Motomura and Koji Nitta. These partnerships have fostered innovation and the exchange of ideas, further enhancing the quality of his work.

Conclusion

Masashi Iwamoto's contributions to printed circuit board technology reflect his dedication to innovation and excellence. His patents demonstrate a commitment to advancing the field, making him a significant figure in the world of electronics.