STAINLESS STEEL
Apertures & Targets
Slot wheel (50μm thick) 
Non-reflective targets (100μm thick) 
Target (25μm thick) 
250μm slots in target (25μm thick) 
1mm squares (50μm thick) 
Thin 18μm struts (50μm thick) 
Target plate (50μm thick) 
Non-reflective target (100μm thick)