Masanobu Ezaki

Title: Masanobu Ezaki: Innovator in Titania-Silica Glass Technology

Introduction

Masanobu Ezaki is a notable inventor based in Hadano, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced glass technologies. With a total of 2 patents, his work has implications for various high-tech applications.

Latest Patents

Ezaki's latest patents include innovations in titania-silica glass and silica glass members for semiconductors. The titania-silica glass patent focuses on creating a transparent glass with low thermal expansion, particularly suitable for use as a photomask or mirror material in extreme ultraviolet ray lithography. This glass maintains excellent homogeneity and stability across a wide temperature range of 0 to 100°C. The composition includes 8 to 10% by weight of titania and 90 to 92% by weight of silica, with a titanium concentration of 10 to 60 ppm by weight. His second patent addresses a silica glass member for semiconductors, which boasts high heat resistance and purity. This glass has a concentration of iron, copper, chromium, and nickel at 5 ppb or less, and an OH group concentration of 30 ppm or less, with a viscosity of 10 poise or more at 1200°C.

Career Highlights

Throughout his career, Ezaki has worked with prominent companies such as Toshiba Ceramics Co., Ltd. and Covalent Materials Corporation. His experience in these organizations has allowed him to refine his expertise in materials science and contribute to groundbreaking innovations.

Collaborations

Ezaki has collaborated with notable colleagues, including Sachiko Kato and Masashi Kobata. These partnerships have further enriched his work and expanded the impact of his inventions.

Conclusion

Masanobu Ezaki's contributions to titania-silica glass technology and semiconductor materials highlight his role as a significant innovator in the field. His patents reflect a commitment to advancing materials science for high-tech applications.