Masayuki Kojima

Title: The Innovations of Masayuki Kojima in Photosensitive Resin Technology

Introduction

Masayuki Kojima, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the field of photosensitive resin technology. With a remarkable portfolio of four patents, Kojima's innovative solutions have advanced manufacturing processes, particularly in the realm of printed wiring boards.

Latest Patents

Kojima's latest patents demonstrate his commitment to improving the performance and reliability of photosensitive resin compositions. His notable inventions include a photosensitive resin composition that is versatile enough to be applied in both projection exposure and direct-write exposure machines without requiring fine adjustments. This composition facilitates the creation of resist patterns with superior cross-sectional shapes, effectively reducing occurrences of undercuts and omissions. Additionally, it ensures that the line widths in various depths maintain a favorable linearity, thus enhancing insulation and crack resistance. The key components of this photosensitive resin composition include an acid-modified vinyl group-containing epoxy resin, photopolymerization initiators, sensitizers, and photopolymerizable compounds. Further innovations include the development of dry films utilizing this composition and manufacturing methods for printed wiring boards.

Career Highlights

Masayuki Kojima's career is marked by impressive tenures at prominent companies such as Mitsubishi Gas Chemical, Inc. and Kabushiki Kaisha Daini Seikosha. His work in these organizations has facilitated the practical application of his patents and contributed to advancements in the electronics industry.

Collaborations

Throughout his career, Kojima has collaborated with noteworthy colleagues, including Nobuhito Komuro and Yuta Daijima. These partnerships have resulted in enriched insights and the successful development of innovative solutions in the field of resin technology.

Conclusion

Masayuki Kojima stands out as a pioneering inventor whose contributions to photosensitive resin technology have had a profound impact on the printed wiring board manufacturing sector. His innovative patents and collaborative spirit continue to influence the industry, solidifying his reputation as a leading figure in technological advancements.