Method to provide a patterned orientation template for a self-assemblable polymer

A graphoepitaxy template to align a self-assembled block polymer adapted to self-assemble into a 2-D array having parallel rows of discontinuous first domains extending parallel to a first axis, mutually spaced along an orthogonal second axis, and separated by a continuous second domain. The graphoe...

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Hauptverfasser: Brizard, Aurelie Marie Andree, Peeters, Emiel, Ketelaars, Wilhelmus Sebastianus Marcus Maria, Van der Heijden, Eddy Cornelis Antonius, De Ruiter, Jessica Margaretha, Boots, Henri Marie Joseph, Finders, Jozef Maria, Wuister, Sander Frederik, Meessen, Hieronymus Johannus Christiaan, Nguyen, Thanh Trung, Druzhinina, Tamara, Van Heesch, Christianus Martinus, Koole, Roelof
Format: Patent
Sprache:eng
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Zusammenfassung:A graphoepitaxy template to align a self-assembled block polymer adapted to self-assemble into a 2-D array having parallel rows of discontinuous first domains extending parallel to a first axis, mutually spaced along an orthogonal second axis, and separated by a continuous second domain. The graphoepitaxy template has first and second substantially parallel side walls extending parallel to and defining the first axis and mutually spaced along the second axis to provide a compartment to hold at least one row of discontinuous first domains of the self-assembled block copolymer on the substrate between and parallel to the side walls, and separated therefrom by a continuous second domain. The compartment has a graphoepitaxial nucleation feature arranged to locate at least one of the discontinuous first domains at a specific position within the compartment. Methods for forming the graphoepitaxy template and its use for device lithography are also disclosed.