Microneedle arrays are fabricated by providing a sacrificial mold including a substrate and an array of posts, preferably solid posts, projecting therefrom. A first material is coated on the sacrificial mold including on the substrate and on the array of posts. The sacrificial mold is removed to provide...http://www.google.se/patents/US6511463?utm_source=gb-gplus-sharePatent US6511463 - Methods of fabricating microneedle arrays using sacrificial molds
