A compact system for large-area thermal nanoimprint lithography using smart stamps

Rasmus Haugstrup Pedersen, Ole Hansen, Anders Kristensen

Research output: Contribution to journalJournal articleResearchpeer-review


We present a simple apparatus for thermal nanoimprint lithography. In this work, the stamp is designed to significantly reduce the requirements for pressure application on the external imprint system. By MEMS-based processing, an air cavity inside the stamp is created, and the required pressure for successful imprint is reduced. Additionally, the stamp is capable of performing controlled demolding after imprint. Due to the complexity of the stamp, a compact and cost-effective imprint apparatus can be constructed. The design and fabrication of the advanced stamp as well as the simple imprint equipment is presented. Test imprints of micrometer- and nanometer-scale structures are performed and characterized with respect to uniformity across a large area (35 mm radius). State-of-the-art uniformity for mu m-scale features is demonstrated.
Original languageEnglish
JournalJournal of Micromechanics and Microengineering
Issue number5
Pages (from-to)055018
Publication statusPublished - 2008


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