Rapid Prototyping of Moulds for PDMS-based Microfluidic Chips
نویسندگان
چکیده
Abstract To shorten the production time for PDMS-moulds by additive manufacturing (AM) several 3D printers have been investigated in comparison to standard micro-milling producing benchmark structures. These are evaluated regarding their shape accuracy, transparency of casted PDMS which is linked surface quality mould, and until moulds ready use. Even though additively manufactured showed significantly better shorter time, necessary accuracy non-square-structures or structures with < 250 μm edge length could not be achieved due limiting factors like nozzle diameter, size digital micromirror device spot LCD-panel.
منابع مشابه
A Flexible Method for Rapid-prototyping of Pdms Microfluidic Chips Using Direct-writing for Generation Of
We report a new, rapid and highly flexible method for the fabrication of master structures for casting of PDMS microfluidic chips. Conventional and time-consuming UV-lithographic fabrication of PDMS-molds is substituted by a direct-writing method to produce desired structures on planar, low-cost polyimide (PI) substrates by using a polymer dissolved in water. This technique facilitates the on-d...
متن کاملSimple photolithographic rapid prototyping of microfluidic chips
0167-9317/$ see front matter 2012 Elsevier B.V. A http://dx.doi.org/10.1016/j.mee.2012.05.053 ⇑ Corresponding author. E-mail address: [email protected] (J. Hoyland). We present a simple method for producing molds for casting PDMSmicrofluidic chips using photo-lithography with 35 mm photographic negatives as masks. We demonstrate the capabilities and limitations of the approach. We have optimized...
متن کاملRapid prototyping of PMMA microfluidic chips utilizing a CO2 laser
A commercially available CO2 laser scriber is used to perform the direct-writing ablation of polymethylmethacrylate (PMMA) substrates for microfluidic applications. The microfluidic designs are created using commercial layout software and are converted into the command signals required to drive the laser scriber in such a way as to reproduce the desired microchannel configuration on the surface...
متن کاملBeyond PDMS: off-stoichiometry thiol-ene (OSTE) based soft lithography for rapid prototyping of microfluidic devices.
In this article we introduce a novel polymer platform based on off-stoichiometry thiol-enes (OSTEs), aiming to bridge the gap between research prototyping and commercial production of microfluidic devices. The polymers are based on the versatile UV-curable thiol-ene chemistry but takes advantage of off-stoichiometry ratios to enable important features for a prototyping system, such as one-step ...
متن کاملRapid prototyping of microfluidic systems using a PDMS/polymer tape composite.
Rapid prototyping of microfluidic systems using a combination of double-sided tape and PDMS (polydimethylsiloxane) is introduced. PDMS is typically difficult to bond using adhesive tapes due to its hydrophobic nature and low surface energy. For this reason, PDMS is not compatible with the xurography method, which uses a knife plotter and various adhesive coated polymer tapes. To solve these pro...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Current Directions in Biomedical Engineering
سال: 2021
ISSN: ['2364-5504']
DOI: https://doi.org/10.1515/cdbme-2021-2065