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The stamp needs to adhere to the substrate for proper printing conditions. It is possible to print on rough surfaces as long as the roughness (Ra) is below 2 microns.
The stamp is in-house fabricated by Mesoline and made from a polymer. Thereby is is flexible and can adhere to the substrate to properly seal which is required for the MPD process.
The stamps are single-use, but recyclable.
Yes, we can print with up to four materials simultaneously. In other words, in one process step we put down stamp and can inject 4 different materials on the wafer/substrate.
This depends on the requirements of the material and possible substrate constraints. Typically the wafers are sintered between 250 - 500°C.
The stamp is uniquely designed and fabricated in-house depending on customer design. Mesoline has developed tooling and production lines to produce these stamps at scale.
We can handle substrates from 100 (4-inch), typically used in R&D, up to 200 mm (8-inch) substrates.
The key in the fact that we cure the ink while that stamp is still in contact with the wafer. So we first build-up the high-aspect ratio volume with ink, subsequently we cure the ink and remove that stamp. The highest aspect-ratio we have achieved is 1:5.
We can help you find the best support options. If you have any questions or require further assistance, please don't hesitate to contact our friendly support team.
Want to use a different printing material?
Please reach out so we can verify if the MPD process is compatible with your material.
