Albright Technologies has developed a micro-machining process that allows us to do 3D CNC machining on a microscopic level. This technology can be used to produce tooling for liquid silicone micromolding. Pictured below is an example of a micromolded silicone component.
Micromolded silicone components on a United States Quarter
Micromolded silicone component next to a grain of salt under 60X magnification
Micromolded silicone component dimensions