UPSAMSUltra Precision Manufacturing of Self-Assembled Micro Systems
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Ultraprecision Manufacturing of Self Assembled Micro Systems (UPSAMS) is a deposition technology that creates a sacrificial layer and a structural layer, both of which are milled to produce a part or cavity.
The result is what Fraunhofer IPT engineer Axel Bilsing, describes as "a micro structure that, to the best of our knowledge, could not be fabricated using any process other than UPSAMS or perhaps layered rapid prototyping processes."
UPSAMS allows construction of true 3D shapes, something a lithography process such as LIGA reportedly cannot achieve.