Michinori Suehara

Title: Michinori Suehara: Innovator in EUV Lithography

Introduction

Michinori Suehara is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of lithography, particularly in the development of reflective masks for extreme ultraviolet (EUV) lithography. With a total of 13 patents to his name, Suehara's work has been instrumental in advancing semiconductor manufacturing technologies.

Latest Patents

Suehara's latest patents include innovations such as a reflective mask blank for EUV lithography, a reflective mask for EUV lithography, and a method for manufacturing the same. These inventions relate to a reflective mask blank that consists of a substrate, a multilayer reflective film that reflects EUV light, and a phase shift film that shifts the phase of the EUV light. The design ensures that the substrate, multilayer reflective film, and phase shift film are formed in a specific order. Notably, the phase shift film includes a layer containing ruthenium (Ru) and nitrogen (N), with an absolute value of film stress of 1,000 MPa or less.

Career Highlights

Throughout his career, Michinori Suehara has worked with notable companies such as AGC Inc. and Sumitomo Chemical Company, Limited. His experience in these organizations has allowed him to refine his expertise in lithography and contribute to groundbreaking advancements in the field.

Collaborations

Suehara has collaborated with talented individuals in his field, including Yusuke Fujiwara and Lilin Zhou. These partnerships have fostered innovation and have been crucial in the development of his patented technologies.

Conclusion

In summary, Michinori Suehara is a distinguished inventor whose work in EUV lithography has led to significant advancements in semiconductor manufacturing. His contributions continue to shape the future of technology in this critical area.