Patent ID: 7462852
Filing Date: 2008-12-09
Classification: B29C,B29K,G21K

Abstract:
1. A device, comprising: a component defining a plurality of spaces, each space from said plurality of spaces at least partially bounded by a cast wall comprising a plurality of wall spaces, a wall surface from said plurality of wall spaces comprising a plurality of 3-dimensional micro-features that substantially spatially invertedly replicate a parent mold surface defined by a plurality of layers of a metallic foil stack lamination patent mold, said plurality of 3-dimensional micro-features comprising at least one protruding undercut, said plurality of wall surfaces for each cast wall defining a cast monolithic material including a cured binder and having a cavity defined by at least one cast wall with an aspect ratio of greater than 25:1 the cavity having a configuration that is inverse to a configuration of a micro-machined metallic foil stack lamination mold, said cast wall having a wall thickness of less than 500 microns.