Yoshiro Maki

Title: Yoshiro Maki: Innovator in Microetching Technology

Introduction

Yoshiro Maki is a prominent inventor based in Amagasaki, Japan. He has made significant contributions to the field of microetching technology, holding a total of six patents. His work focuses on enhancing the adhesion and solderability of copper and copper alloys, which are crucial in the manufacturing of printed wiring boards.

Latest Patents

Maki's latest patents include a microetching composition for copper or copper alloys. This composition comprises an oxidizing agent, a polymer compound containing polyamine chains or a cationic group, and water. The formulation is designed to produce surfaces that exhibit excellent adhesion to resins such as prepregs and resists, as well as superior solderability. Another notable patent is a microetching method for copper or copper alloys, which includes a cupric ion source, an organic acid with a low pKa, a halide ion source, and water. This method also aims to enhance the adhesion and solderability of copper surfaces, making it highly adaptable for the production of printed wiring boards with intricate fine line patterns.

Career Highlights

Maki is currently associated with Mec Company Ltd., where he continues to innovate in the field of microetching. His expertise has positioned him as a key figure in the development of technologies that improve the manufacturing processes of electronic components.

Collaborations

Maki has collaborated with notable colleagues such as Toshiko Nakagawa and Takashi Haruta. Their combined efforts have contributed to advancements in microetching techniques and applications.

Conclusion

Yoshiro Maki's contributions to microetching technology have significantly impacted the electronics industry. His innovative patents and collaborations reflect his commitment to enhancing manufacturing processes and product quality.