File:Contact hole optimum EUV illumination vs pitch.png

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Contact_hole_optimum_EUV_illumination_vs_pitch.png (481 × 290 pixels, file size: 9 KB, MIME type: image/png)

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English: The optimum EUV illumination (quasar inner and outer sigma) is plotted as a function of contact hole pitch, with the half-pitch (hp) in units of k1 (=hp*NA/wavelength). Both 0.25 NA (26 nm and 28 nm half-pitches) and 0.33 NA (22 nm half-pitch) included. For larger pitches, conventional or annular illumination would be used. Layouts incorporating a wide range of pitches would require different illuminations for different densities within the layout, entailing separate exposures. Refs.: M. D. Smith et al., Proc. SPIE 8682, 868203 (2013); Y-S. Yen et al., Proc. SPIE 4691, 1530 (2002); S-Y. Oh et al., Proc. SPIE 4691 (2002).
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This diagram was created with Microsoft Excel.
Author Guiding light

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Guiding light at English Wikipedia, the copyright holder of this work, hereby publishes it under the following licenses:
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The original description page was here. All following user names refer to en.wikipedia.
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2018-01-02 06:15:08 481 × 290 Guiding light Uploading a self-made file using [[Wikipedia:File_Upload_Wizard|File Upload Wizard]]

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current16:29, 20 August 2019Thumbnail for version as of 16:29, 20 August 2019481 × 290 (9 KB)Dave louis john (talk | contribs)Transferred from en.wikipedia (MTC!) (1.1.0)

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