Details

Autor(en) / Beteiligte

• Matteucci, Marco
• Fanetti, M.
• Casella, M.
• Gramatica, F.
• Gavioli, L.
• Tormen, M.
• Grenci, G.
• De Angelis, F.
• Di Fabrizio, E.

Titel

Poly vinyl alcohol re-usable masters for microneedle replication

Ist Teil von

• Microelectronic engineering, 2009-04, Vol.86 (4), p.752-756

Ort / Verlag

Amsterdam: Elsevier B.V

Erscheinungsjahr

2009

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• We present the first results of microstructure replica with re-usable masters in poly vinyl alcohol (PVA). Microneedles of heights ranging from 500 to 1100 μm were fabricated through double-exposure deep X-ray lithography (DXRL) process and successfully replicated. A single PVA master was used as a template to successfully replicate up to 10 PMMA microneedle arrays, suggesting that this method might be a possible alternative to PDMS processes. A preliminary characterization of the relationship between the surface roughness of the substrates and the force required for demoulding was also performed.