Chinese Journal of Lasers, Volume. 39, Issue 9, 909001(2012)

Alignment Scheme Research Based on Equivalent Overlapped Gratings for Reflective Lithography Alignment

Zhu Jiangping1,2,3、*, Hu Song1, Yu Junsheng2, Tang Yan1, Zhou Shaolin4, Liu Qi1,3, and He Yu1,3
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
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    References(7)

    [1] [1] Zhou Shaolin, Yang Yong, Zhao Lixin et al.. Tilt-modulated spatial phase imaging method for wafer-mask leveling in proximity lithography[J]. Opt. Lett., 2010, 35(18): 3132~3134

    [2] [2] S. L. Zhou, Y. Q. Fu, X. P. Tang et al.. Fourier-based analysis of moiré fringe patterns of superposed gratings in alignment of nanolithography[J]. Opt. Express, 2008, 16(11): 7869~7880

    [4] [4] M. C. King, D. H. Berry. Photolithographic mask alignment using moiré techniques[J]. Appl. Opt., 1972, 11(11): 2455~2457

    [5] [5] A. Moel, E. E. Moon, R. D. Frankel et al.. Novel on-axis interferometric alignment method with sub-10 wm precision[J]. J. Vac. Sci. Technol. B, 1994, 11(6): 2191~2194

    [6] [6] E. E. Moon, M. K. Mondol, P. N. Everett et al.. Dynamic alignment control for fluid-immersion lithographies using interferometric-spatial-phase imaging[J]. J. Vac. Sci. Technol. B, 2005, 23(6): 2607~2610

    [7] [7] Y. Uchida, S. Hattori, T. Nomura. An automatic mask alignment technique using moiré interference[J]. J. Vac. Sci. Technol. B, 1987, 5(1): 244~247

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    Zhu Jiangping, Hu Song, Yu Junsheng, Tang Yan, Zhou Shaolin, Liu Qi, He Yu. Alignment Scheme Research Based on Equivalent Overlapped Gratings for Reflective Lithography Alignment[J]. Chinese Journal of Lasers, 2012, 39(9): 909001

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    Paper Information

    Category: holography and information processing

    Received: Apr. 20, 2012

    Accepted: --

    Published Online: Jul. 4, 2012

    The Author Email: Jiangping Zhu (zsyioe@163.com)

    DOI:10.3788/cjl201239.0909001

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