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(Untitled)

A high-resolution zoomed view of one of my samples - all these weird natural-looking pillars means that there was some serious micromasking going on.  Micromasking is what happens when I’m trying to etch away a material by bombarding it with high-energy plasma, and little particles of dust or oil or polymer get in the way of the plasma.  Every little particle ends up on a pillar, like an eroded desert landscape.