Conical tungsten stamps for the replication of pore arrays in anodic aluminium oxide films

D. J. Leclere, G. E. Thompson, B. Derby

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A tungsten master stamp has been generated by applying a novel procedure that includes two-step anodizing, followed by sequential anodizing and pore widening to develop nominally funnelled pores. These conical-shaped pores were filled with tungsten by sputter coating to manufacture a master stamp. Under a pressure of 65MPa, the master stamp successfully embossed the surface of annealed and electropolished aluminium. The embossed surface was then used to control the position of pores created by anodizing under the conditions used to produce the original pore array. © 2009 IOP Publishing Ltd.
    Original languageEnglish
    Article number245304
    JournalNanotechnology
    Volume20
    Issue number24
    DOIs
    Publication statusPublished - 2009

    Keywords

    • POROUS ALUMINA
    • NANODOT ARRAY
    • FABRICATION

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