Fabrication of Embedded Horizontal Micro-Channels Using Line-Scan Stereolithogrpahy
| dc.creator | Choi, Jae-Won | |
| dc.creator | Quintana, Rolando | |
| dc.creator | Wicker, Ryan B. | |
| dc.date.accessioned | 2021-09-28T17:41:17Z | |
| dc.date.available | 2021-09-28T17:41:17Z | |
| dc.date.issued | 2008-09-10 | |
| dc.description.abstract | In an effort to directly and rapidly manufacture micro-fluidic devices with embedded horizontal micro-channels on the order of tens of microns, a method was developed for using current commercially available line-scan stereolithography (SL) technology. The method consisted of inserting a wire of specified diameter during the build, building around the inserted wire, and removing the wire once fabricated leaving a channel with a circular cross-sectional geometry equivalent to the wire diameter. Demonstration of the technique using 31.6 µm, 57.2 µm and 83.5 µm wire was performed using a 3D Systems Viper si2TM SL system and DSM Somos® WaterShedTM resin. By embedding the wire and building around the insert, the down-facing surfaces were supported during fabrication enabling successful and accurate fabrication of embedded micro-channel geometries. A method for successful fabrication was developed that involved first building an open micro-channel, interrupting the SL process and inserting the wire, and then capping over the wire with multiple layers. After fabricating a part with a micro-wire, the micro-channel was produced by simply pulling the wire out of the part. Scanning electron microscope (SEM) images were used to examine and measure the geometries of the fabricated micro-channels, and a statistical design of experiments was performed to show that the process was capable of producing accurate horizontal micro-channels. It is expected that this process will enable unique micro-fluidic and other applications of micro-channel fabrication to be pursued using commercial line-scan SL. | en_US |
| dc.description.department | Mechanical Engineering | en_US |
| dc.identifier.uri | https://hdl.handle.net/2152/88132 | |
| dc.identifier.uri | http://dx.doi.org/10.26153/tsw/15073 | |
| dc.language.iso | eng | en_US |
| dc.publisher | University of Texas at Austin | en_US |
| dc.relation.ispartof | 2008 International Solid Freeform Fabrication Symposium | en_US |
| dc.rights.restriction | Open | en_US |
| dc.subject | micro-fluidic devices | en_US |
| dc.subject | embedded horizontal micro-channels | en_US |
| dc.subject | line-scan stereolithography | en_US |
| dc.subject | micro-fluidic fabrication | en_US |
| dc.subject | micro-channel fabrication | en_US |
| dc.title | Fabrication of Embedded Horizontal Micro-Channels Using Line-Scan Stereolithogrpahy | en_US |
| dc.type | Conference paper | en_US |