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The Micro-needle Standard Stamp contains the inverse structure of micro-needles – i.e. micro-needle shaped holes. The micro-needle standard stamp can be used to produce micro-needles either by hot-embossing or casting.
A polymer copy of the micro-needle stamp can also be used in a Ni plating process to produce Ni inserts for injection molding tools to produce micro-needle devices by injection molding.
The micro-needles produced with the micro-needle standard stamp will be solid so they are suitable for use as skin conditioning needles, drug coated micro-needles or solid micro-needles with the drug incorporated in the needle material.
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Micro-needle square array layout with 500 µm spacing
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Active area of 70 mm diagonal
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Fast delivery time of typically 3 weeks
| Specifications |
Micro-needle - Type A |
| Stamp material |
Silicon |
| Microneedle layout |
Square array |
| Microneedle base size |
100 µm x 100 µm |
| Microneedle height |
200 µm (base to tip) |
| Microneedle tip height |
70 µm |
| Microneedle tip radius of curvature |
~1 µm |
| Microneedle spacing |
500 µm |
| Stamp size |
100 mm diameter (SEMI standard wafer with a flat) |
| Stamp thickness |
525 µm (SEMI standard wafer with a flat) |
| Active area |
70 mm diagonal square area in the center |
*Anti-sticking layer (ASL) and dicing are optional
**The Micro-needle Standard Stamps are for test and product development purposes only.
Examples
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Micro-needle Standard Stamp
Examples of patterns and features
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