The University of Southampton
University of Southampton Institutional Repository

Mask-less laser-machining for rapid low-cost patterning of microstructures in polydimethylsiloxane (PDMS)

Record type: Conference or Workshop Item (Paper)

We report on the use of a mask-less laser-machining procedure that enables the rapid creation of micron-scale structures in polydimethylsiloxane (PDMS), a platform most commonly used in the implementation of lab-on-chip devices, and also in micro-contact printing or soft lithography. The designed two-dimensional array of structures, extending over ~1mm2regions with micron-scale resolution, was laser-ablated into a thin film through the use of femtosecond laser pulses (150fs, 800nm) that were spatially shaped via diffraction from a programmable digital multi-mirror device (DMD). The high switching speed of the DMD mirrors in combination with a high repetition rate laser provides the ability to pattern any desired 2D prototype on the ~1mm scale within a few minutes, circumventing the need for a custom-designed mask and photolithography which is generally needed to produce a specific prototyping master mould. The complementary pattern from the thin film was subsequently transferred into PDMS for fabrication of a mould that was used for micro-contact printing of ink onto a glass substrate. In addition, this non-lithographic, mask-less laser-machining approach can be extended to form both complex micron and submicron scale structures that are useful in contact printing applications but also in the fabrication of millimetre scale lab-on-chip fluidic devices

Full text not available from this repository.


Sones, C.L., Katis, I.N., Mills, B., Feinäugle, M., Mosayyebi, A., Butement, J. and Eason, R.W. (2013) Mask-less laser-machining for rapid low-cost patterning of microstructures in polydimethylsiloxane (PDMS) At E-MRS '13 Materials Research Society Spring Meeting, France. 27 - 31 May 2013.

More information

Published date: 2013
Venue - Dates: E-MRS '13 Materials Research Society Spring Meeting, France, 2013-05-27 - 2013-05-31
Organisations: Optoelectronics Research Centre


Local EPrints ID: 367790
PURE UUID: e704dadd-a85d-460e-a56d-f20596a38bbc
ORCID for B. Mills: ORCID iD
ORCID for R.W. Eason: ORCID iD

Catalogue record

Date deposited: 11 Sep 2014 13:04
Last modified: 18 Jul 2017 01:55

Export record


Author: C.L. Sones
Author: I.N. Katis
Author: B. Mills ORCID iD
Author: M. Feinäugle
Author: A. Mosayyebi
Author: J. Butement
Author: R.W. Eason ORCID iD

University divisions

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton:

ePrints Soton supports OAI 2.0 with a base URL of

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.