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Journal of Micro/Nanolithography, MEMS, and MOEMS

Nanoimprint lithography process chains for the fabrication of micro- and nanodevices
Author(s): Helmut Schift; Prabitha Urwyler; Per Magnus Kristiansen; Jens Gobrecht
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Paper Abstract

The nanoimprint lithography (NIL) process with its key elements molding and thin film pattern transfer refers to the established process chain of resist-based patterning of hard substrates. Typical processes for mass fabrication are either wafer-scale imprint or continuous roll-to-roll processes. In contrast to this, similar process chains were established for polymeric microelements fabricated by injection molding, particularly when surface topographies need to be integrated into monolithic polymer elements. NIL needs to be embedded into the framework of general replication technologies, with sizes ranging from nanoscopic details to macroscopic entities. This contribution presents elements of a generalized replication process chain involving NIL and demonstrates its wide application by presenting nontypical NIL products, such as an injection-molded microcantilever. Additionally, a hybrid approach combining NIL and injection molding in a single tool is presented. Its aim is to introduce a toolbox approach for nanoreplication into NIL-based processing and to facilitate the choice of suitable processes for micro- and nanodevices. By proposing a standardized process flow as described in the NaPANIL library of processes, the use of establish process sequences for new applications is facilitated.

Paper Details

Date Published: 18 July 2014
PDF: 10 pages
J. Micro/Nanolith. 13(3) 031303 doi: 10.1117/1.JMM.13.3.031303
Published in: Journal of Micro/Nanolithography, MEMS, and MOEMS Volume 13, Issue 3
Show Author Affiliations
Helmut Schift, Paul Scherrer Institut (Switzerland)
Prabitha Urwyler, Paul Scherrer Institute (Switzerland)
Univ. Bern (Switzerland)
Per Magnus Kristiansen, FH Aargau Nordwestschweiz - Letzte Aktualisierung (Switzerland)
Jens Gobrecht, Paul Scherrer Institute (Switzerland)
FH Aargau Nordwestschweiz - Letzte Aktualisierung (Switzerland)


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