1442 w...over 0.2 mm of height is required to penetrate epidermal layers. (b) conceptual...
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![Page 1: 1442 W...Over 0.2 mm of height is required to penetrate epidermal layers. (b) Conceptual illustration of inclined/rotated UV lithography to obtain microneedle arrays. The fabrication](https://reader033.vdocument.in/reader033/viewer/2022060712/6078880265c182741d002ac2/html5/thumbnails/1.jpg)
2 The University of Tokyo, JAPAN
Figure 1 (a) A microneedle-based drug-delivery patch. Over 0.2 mm of height is required to penetrate
epidermal layers. (b) Conceptual illustration of inclined/rotated UV lithography to obtain microneedle
arrays. The fabrication process needs single UV exposure.
1442978-0-9798064-8-3/µTAS 2015/$20©15CBMS-0001 19th International Conference on Miniaturized Systems for Chemistry and Life Sciences October 25-29, 2015, Gyeongju, KOREA
![Page 2: 1442 W...Over 0.2 mm of height is required to penetrate epidermal layers. (b) Conceptual illustration of inclined/rotated UV lithography to obtain microneedle arrays. The fabrication](https://reader033.vdocument.in/reader033/viewer/2022060712/6078880265c182741d002ac2/html5/thumbnails/2.jpg)
Figure 2 (a) Fabrication process of the microneedle array. (b) Fabricated microneedle arrays. Scale bar:
1 mm. (c) SEM images of a microneedle fabricated at an inclined angle of 15 deg and UV energy density
of 1500 mJ/cm2.
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![Page 3: 1442 W...Over 0.2 mm of height is required to penetrate epidermal layers. (b) Conceptual illustration of inclined/rotated UV lithography to obtain microneedle arrays. The fabrication](https://reader033.vdocument.in/reader033/viewer/2022060712/6078880265c182741d002ac2/html5/thumbnails/3.jpg)
Table 1 Dimensions of microneedls at UV energy density of 1900 mJ/cm2.
J. Control. Release
Biomater.
J. Micromech. Microeng.
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