Patent ID: 7410606
Filing Date: 2008-08-12
Classification: A61B,B22D,B23P,B28B,B29C,B29K,B29L,G01T,G03F,G21K,Y10T

Abstract:
1. A method of forming a casting, comprising: filling a mold having a stacked plurality of lithographically-derived micro-machined metallic foil layers with a first casting material to form a first cast product having an aspect ratio of greater than 10:1, the stacked plurality of lithographically-derived micro-machined metallic foil layers defining a protruding undercut; and demolding the first cast product from the mold, said first cast product comprising a plurality of product surfaces that define a periphery of a layer-less volume of said first cast product, a product surface from said plurality of product surfaces comprising a plurality of 3-dimensional micro-features that substantially spatially invertedly replicate a mold surface formed by said stacked plurality of metallic foil layers.