Micromolding for ceramic microneedle arrays

被引：107

作者：

Bystrova, S. ^{[1
]}

Luttge, R. ^{[1
]}

机构：

[1] Univ Twente, MESA Inst Nanotechnol, NL-7500 AE Enschede, Netherlands

来源：

MICROELECTRONIC ENGINEERING | 2011年 / 88卷 / 08期

关键词：

Microneedles; Micromolding; Ceramic; Porous; Drug delivery;

D O I：

10.1016/j.mee.2010.12.067

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The fabrication process of ceramic microneedle arrays (MNAs) is presented. This includes the manufacturing of an SU-8/Si-master, its double replication resulting in a PDMS mold for production by micromolding and ceramic sintering. The robustness of the replicated structures was tested by means of microindentation techniques eliminating shear forces and by manual application of MNAs into silicone rubber. No damages of MNAs were observed using controlled microindentation. After the manual application, however, some microneedles were broken and left in the silicone. The opportunities and the ways to solve underlying problems of the fabrication process will be suggested and discussed. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1681 / 1684

页数：4

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