Static and dynamic characteristic of aerostatic porous thrust bearings with deep feed groove

Masaaki Miyatake, Shigeka Yoshimoto, Kazuyuki Yagi

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

抄録

Recently, lithographic technologies using electron-beam (EB) or extreme ultra violet (EUV) illumination source have been developed as a next generation advanced lithography. Generally, aerostatic bearings have been used in the lithography machine because they have a very higher accuracy of motion. However, lithography technologies using EB or EUV illumination source have to operate in a high vacuum and require higher precision accuracy than current lithography technology. Therefore, in this paper, an aerostatic porous bearing with deep feed groove is proposed to achieve required accuracy in the next generation lithography technology. Aerostatic porous bearing have relatively high stiffness and higher damping coefficient than another types of aerostatic bearings. In addition, the proposed bearings can supply pressurized air from a stationary guide-way to a moving table through a deep feed groove without any disturbances of air supply tubes. The static and dynamic characteristics of aerostatic porous bearings with a deep feed groove are investigated theoretically and experimentally.

元の言語英語
ページ(範囲)738-744
ページ数7
ジャーナルNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
71
発行部数2
出版物ステータス出版済み - 2 2005
外部発表Yes

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Bearings (structural)
Thrust bearings
Lithography
Electron beams
Lighting
Air
Damping
Stiffness
Vacuum

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

これを引用

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