| abstract |
The invention relates to a pyramid-shaped flexible micro-needle array and a preparation method thereof. First, a periodic inverted pyramid array structure is etched on the surface of a silicon wafer containing an oxide layer by combining photolithography technology, and then the structure is obtained by injecting polymer material as a template. Pyramid-shaped flexible microneedle array. Compared with the prior art, the invention has the advantages of convenient processing and low cost, the obtained pyramid-shaped microneedle array is neatly arranged and the size is controllable, and has wide application value in the fields of medical treatment, beauty, health care, sports and the like. |