Comparison of 3 methods on fabricating micro- /nano- structured surface on 3D mold cavity

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Abstract

The methods to manufacture micro- or nano- structures on surfaces have been an area of intense investigation. Demands are shown for technologies for surface structuring on real 3D parts in many fields. However, most technologies for the fabrication of micro-structured functional surfaces are still limited to flat or simple shaped geometries. In this paper, 3 approaches for fabricating micro and nano- structured surfaces on a mold cavity for injection moulding are investigated and compared. The first approach is to use pre-fabricated plate with micro-structured surface as an insert for the mold, in this way micro holes (Ø4 μm) was obtained. The second approach is to produce the cavity part using anodizing process chain, and in this way sub-micro structures can be obtained all over the cavity surface. The third approach is to machine the surface inside the cavity directly by femtosecond laser combined with mask projection technique.
Original languageEnglish
Title of host publicationProceedings of Euspen's 15th International Conference & Exhibition
Number of pages2
Publication date2015
Publication statusPublished - 2015
Event15th International Conference of the European Society for Precision Engineering and Nanotechnology - Universiteitshal, Leuven, Belgium
Duration: 1 Jun 20155 Jun 2015

Conference

Conference15th International Conference of the European Society for Precision Engineering and Nanotechnology
LocationUniversiteitshal
CountryBelgium
CityLeuven
Period01/06/201505/06/2015

Keywords

  • Micro structured surface
  • Laser
  • 3D geometry
  • Injection moulding

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