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Direct laser writing lithography using a negative-tone electron-beam resistoa mark
  • KIM, H. S. ;
  • SON, B. H. ;
  • KIM, Y. C. ;
  • AHN, Y. H.
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dc.contributor.authorKIM, H. S.-
dc.contributor.authorSON, B. H.-
dc.contributor.authorKIM, Y. C.-
dc.contributor.authorAHN, Y. H.-
dc.date.issued2020-01-01-
dc.identifier.issn2159-3930-
dc.identifier.urihttps://aurora.ajou.ac.kr/handle/2018.oak/31689-
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85096759266&origin=inward-
dc.description.abstractWe used a negative-tone e-beam resist (N-ER) to perform direct laser writing lithography based on a single-photon absorption process with a 405-nm laser source. The linewidth of the N-ER reached 150 nm, which is over three times thinner than that of a conventional photoresist. To optimize the process, the linewidth, lithographic contrast, and aspect ratio of the N-ER were investigated with respect to the dose and baking temperature. We were able to achieve a lithographic contrast of 4.8 and a maximum aspect ratio of 1.43, thereby confirming the superior resolution of the N-ER.We used a negative-tone e-beam resist (N-ER) to perform direct laser writing lithography based on a single-photon absorption process with a 405-nm laser source. The linewidth of the N-ER reached 150 nm, which is over three times thinner than that of a conventional photoresist. To optimize the process, the linewidth, lithographic contrast, and aspect ratio of the N-ER were investigated with respect to the dose and baking temperature. We were able to achieve a lithographic contrast of 4.8 and a maximum aspect ratio of 1.43, thereby confirming the superior resolution of the N-ER.-
dc.description.sponsorshipNational Research Foundation of Korea (2020R1A2C1005735); Korea Institute of Energy Technology Evaluation and Planning (20184030202220).-
dc.language.isoeng-
dc.publisherOSA - The Optical Society-
dc.subject.meshBaking temperature-
dc.subject.meshDirect laser writing-
dc.subject.meshE-beam resist-
dc.subject.meshElectron beam resist-
dc.subject.meshLaser sources-
dc.subject.meshNegative tones-
dc.subject.meshSingle-photon absorptions-
dc.subject.meshSuperior resolution-
dc.titleDirect laser writing lithography using a negative-tone electron-beam resist-
dc.typeArticle-
dc.citation.endPage2818-
dc.citation.number11-
dc.citation.startPage2813-
dc.citation.titleOptical Materials Express-
dc.citation.volume10-
dc.identifier.bibliographicCitationOptical Materials Express, Vol.10 No.11, pp.2813-2818-
dc.identifier.doi2-s2.0-85096759266-
dc.identifier.scopusid2-s2.0-85096759266-
dc.identifier.urlhttp://www.opticsinfobase.org/ome/home.cfm-
dc.type.otherArticle-
dc.description.isoatrue-
dc.subject.subareaElectronic, Optical and Magnetic Materials-
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