Takaharu Nagai

Title: The Innovative Contributions of Takaharu Nagai

Introduction

Takaharu Nagai is a prominent inventor based in Tokyo-to, Japan. He has made significant contributions to the field of imprint lithography, with a total of 12 patents to his name. His work focuses on the production methods and technologies that enhance the efficiency and effectiveness of imprinting processes.

Latest Patents

Nagai's latest patents include a production method of template, template blank, and template substrate for imprinting. This invention addresses the challenges of transferring a transfer pattern in a concave and convex structure to a resin on a transfer substrate. The method involves forming a first step structure on a main surface of a base, followed by a second step structure on the first step structure. Additionally, an outside region of the second step structure is covered with a light shielding film to solve existing problems in the imprinting process. Another notable patent is the imprint method and imprint mold manufacturing method, which utilizes a mold and/or a transfer substrate with a mesa structure. This method includes several steps: resin supply, contact, curing, and mold release, ensuring a balance layer is formed by supplying molded resin to areas outside the pattern formation area.

Career Highlights

Nagai is currently employed at Dai Nippon Printing Co., Ltd., where he continues to innovate and develop new technologies in the field of imprint lithography. His work has been instrumental in advancing the capabilities of imprinting techniques, making significant impacts in various applications.

Collaborations

Throughout his career, Nagai has collaborated with notable colleagues such as Hiroshi Mohri and Yasutaka Morikawa. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Takaharu Nagai's contributions to the field of imprint lithography are noteworthy and impactful. His innovative patents and collaborative efforts continue to shape the future of imprinting technologies.