What Goes on in these laboratories is recognized as deep reactive-ion etching (DRIE). To get started on, a sleek silicon wafer, paying homage to Terminator 2’s T-1000 in liquid sort and made out of two layers of mono-crystalline silicon with the oxide layer between, is roofed with a photoresist – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/