Patent ID: 7368044
Filing Date: 2008-05-06
Classification: B33Y,B81C

Abstract:
1. A process for forming a multilayer three-dimensional structure, comprising: (a) forming a first layer comprising at least one structural material and at least one sacrificial material on a substrate that may include one or more previously formed layers each formed from the at least one structural material and the at least one sacrificial material; and (b) repeating the forming of (a) one or more times to form at least one subsequent layer on and adhered to the first layer or on and adhered to a previously formed subsequent layer to build up a three-dimensional structure from a plurality of adhered layers; wherein the forming of at least one layer of the plurality of adhered layers, comprises: wherein the mask comprises at least two different materials where the material that is brought in proximity to or in contact with the substrate or the selected previously formed layer is less conformable than another material from which the mask is comprised.