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Injection moulding of ultra high aspect ratio nanostructures using coated polymer tooling.

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Title: Injection moulding of ultra high aspect ratio nanostructures using coated polymer tooling.
Authors: Stormonth-Darling, J M1, Pedersen, R H1, How, C2, Gadegaard, N1 Nikolaj.Gadegaard@glasgow.ac.uk
Source: Journal of Micromechanics & Microengineering. Jul2014, Vol. 24 Issue 7, p1-1. 1p.
Subjects: Injection molding, Nanostructures, Polymers, Coating processes, Nanofabrication, Cost effectiveness
Abstract: Replication-based nanofabrication techniques offer rapid, cost effective ways to produce nanostructured devices for a host of applications in engineering, biological research and beyond. In this work we developed a method to replicate ultra high aspect ratio (UHAR) nanopillars by injection molding with failure rates lower than one pillar in a thousand. We provide a review of the literature in which replication of difficult micro- and nanostructures is facilitated through the use of different tooling materials and surface coatings, before describing the non-adhesive surface coatings which we used to translate a previously developed technique from low to high aspect ratios. This development involved a systematic study of nine different surface coatings on polymer tooling initially patterned by nanoimprint lithography. Using this method we were able to produce injection moulded pillar-like nanostructures with aspect ratios of up to 20:1, more than 6 times that reported elsewhere in the literature for this type of feature. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Micromechanics & Microengineering is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 96866626
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PubTypeId: academicJournal
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  Data: Injection moulding of ultra high aspect ratio nanostructures using coated polymer tooling.
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  Data: <searchLink fieldCode="AR" term="%22Stormonth-Darling%2C+J+M%22">Stormonth-Darling, J M</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Pedersen%2C+R+H%22">Pedersen, R H</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22How%2C+C%22">How, C</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Gadegaard%2C+N%22">Gadegaard, N</searchLink><relatesTo>1</relatesTo><i> Nikolaj.Gadegaard@glasgow.ac.uk</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Micromechanics+%26+Microengineering%22">Journal of Micromechanics & Microengineering</searchLink>. Jul2014, Vol. 24 Issue 7, p1-1. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Injection+molding%22">Injection molding</searchLink><br /><searchLink fieldCode="DE" term="%22Nanostructures%22">Nanostructures</searchLink><br /><searchLink fieldCode="DE" term="%22Polymers%22">Polymers</searchLink><br /><searchLink fieldCode="DE" term="%22Coating+processes%22">Coating processes</searchLink><br /><searchLink fieldCode="DE" term="%22Nanofabrication%22">Nanofabrication</searchLink><br /><searchLink fieldCode="DE" term="%22Cost+effectiveness%22">Cost effectiveness</searchLink>
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  Data: Replication-based nanofabrication techniques offer rapid, cost effective ways to produce nanostructured devices for a host of applications in engineering, biological research and beyond. In this work we developed a method to replicate ultra high aspect ratio (UHAR) nanopillars by injection molding with failure rates lower than one pillar in a thousand. We provide a review of the literature in which replication of difficult micro- and nanostructures is facilitated through the use of different tooling materials and surface coatings, before describing the non-adhesive surface coatings which we used to translate a previously developed technique from low to high aspect ratios. This development involved a systematic study of nine different surface coatings on polymer tooling initially patterned by nanoimprint lithography. Using this method we were able to produce injection moulded pillar-like nanostructures with aspect ratios of up to 20:1, more than 6 times that reported elsewhere in the literature for this type of feature. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Micromechanics & Microengineering is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1088/0960-1317/24/7/075019
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      – Code: eng
        Text: English
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      – SubjectFull: Injection molding
        Type: general
      – SubjectFull: Nanostructures
        Type: general
      – SubjectFull: Polymers
        Type: general
      – SubjectFull: Coating processes
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      – SubjectFull: Nanofabrication
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      – SubjectFull: Cost effectiveness
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      – TitleFull: Injection moulding of ultra high aspect ratio nanostructures using coated polymer tooling.
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              M: 07
              Text: Jul2014
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              Y: 2014
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