Shigeru Maida

Title: **Shigeru Maida: Innovator in Titania-Doped Quartz Glass Technology**

Introduction

Shigeru Maida, a prominent inventor based in Joetsu, Japan, has made significant contributions to the field of materials science with a focus on titania-doped quartz glass. With a remarkable portfolio of 19 patents, Maida’s innovative approaches are instrumental in advancing technology, particularly in the context of extreme ultraviolet (EUV) lithography applications.

Latest Patents

Among his latest patents, Maida has developed novel methods concerning titania-doped quartz glass, enhancing its applicability in EUV lithography. One notable patent describes a specific angle θ between a line from an origin point to a birefringence measurement point on the glass surface and the fast axis of birefringence. This innovative structure enables a substrate with high flatness, making it exceptionally suitable for EUV lithography processes. Another patent highlights the techniques for selecting titania-doped quartz glass that maintains low concentration of OH groups, emphasizing materials that demonstrate a reduction of less than or equal to 100 ppm after heat treatment at 900°C for 100 hours. This advancement is vital for ensuring the quality and performance of EUV lithography members.

Career Highlights

Maida currently contributes his expertise at Shin-Etsu Chemical Co., Ltd., where he collaborates with other distinguished professionals in the field. His prolific output of patents and continual research work showcases his dedication to innovation and material development, making him a key player in the advancement of quartz glass technologies.

Collaborations

Throughout his career, Maida has worked alongside talented colleagues, including Hisatoshi Otsuka and Tetsuji Ueda. These collaborations have fostered an environment of creativity and mutual support, driving groundbreaking developments in their shared field of expertise.

Conclusion

Shigeru Maida stands out as an influential inventor whose work on titania-doped quartz glass continues to make waves in the technology sector. His innovative patents enhance the future of EUV lithography, proving invaluable to industries reliant on high-quality materials. With a strong foundation in collaboration and continuous advancement, Maida’s contributions are poised to impact the field significantly for years to come.