Figure 4 | Microsystems & Nanoengineering

Figure 4

From: Low-cost and cleanroom-free fabrication of microneedles

Figure 4

Fabrication of fine microneedles. (a) Fabricated microneedles showing head and base parts, (b) a sacrificial method was used to remove the base of the needles and create mold to fabricate fine microneedles, (c) fine fabricated PDMS microneedles fabricated out of acrylic mold and (d) calculated volume of fine needles based on mold fabrication parameters.

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