Optical column of the mask-scan EB mask writer test stand

Naoharu Shimomura; Munehiro Ogasawara; Jun Takamatsu; Hitoshi Sunaoshi; Kiyoshi Hattori; Shusuke Yoshitake; Yuuji Fukudome; Kiminobu Akeno

doi:10.1117/12.392076

19 July 2000 Optical column of the mask-scan EB mask writer test stand

Naoharu Shimomura, Munehiro Ogasawara, Jun Takamatsu, Hitoshi Sunaoshi, Kiyoshi Hattori, Shusuke Yoshitake, Yuuji Fukudome, Kiminobu Akeno

Author Affiliations +

Proceedings Volume 4066, Photomask and Next-Generation Lithography Mask Technology VII; (2000) https://doi.org/10.1117/12.392076
Event: Photomask and Next Generation Lithography Mask Technology VII, 2000, Kanagawa, Japan

Abstract

A deficiency in throughput is one of the main problems for the post-100 nm generation mask writer. Mask-scan writing technology is one of the methods for increasing in the throughput. A large pattern is projected by scanning the electron beam over the mask pattern. We have developed a low aberration optical column to prove the concept of the mask- scan technology. We obtained the EB mask pattern image by scanning the electron beam over the mask. We confirmed the capability of the astigmatism correction by the bias voltage superposed on the main field deflectors.

Citation Download Citation

Naoharu Shimomura, Munehiro Ogasawara, Jun Takamatsu, Hitoshi Sunaoshi, Kiyoshi Hattori, Shusuke Yoshitake, Yuuji Fukudome, and Kiminobu Akeno "Optical column of the mask-scan EB mask writer test stand", Proc. SPIE 4066, Photomask and Next-Generation Lithography Mask Technology VII, (19 July 2000); https://doi.org/10.1117/12.392076

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