What Goes on in these laboratories is recognized as deep reactive-ion etching (DRIE). To begin, a clean silicon wafer, reminiscent of Terminator 2’s T-1000 in liquid form and comprised of two layers of mono-crystalline silicon having an oxide layer between, is covered which has a photoresist – a light-weight-delicate materials https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/