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Spectroscopic ellipsometry optical critical dimension measurements of templates and imprinted resist for patterned magnetic media applications

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14 Author(s)
Yu, Zhaoning ; Recording Media Operations, Seagate Technology, 47010 Kato Road, Fremont, California 94538 ; Hwu, Justin ; Liu, Yongdong ; Su, Zhenpeng
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1116/1.3507888 

The authors have applied spectroscopic ellipsometry optical critical dimension (SE-OCD) measurement to grating templates and imprinted resist patterns with a pitch of 72.6 nm, corresponding to a track density of 350 ktpi (kilotracks per inch) for discreet track recording media. Their experiments indicate that SE-OCD is sensitive in detecting topography features in template profiles. The measurement of imprinted resist pattern is complicated by parameter correlation. Comparison of SE-OCD reported template and imprinted resist profiles can be used to study imprint pattern fidelity.

Published in:
Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures  (Volume:28 ,  Issue: 6 )

Date of Publication: Nov 2010

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