Plasma Etch Plasma Etch Noel offers Dielectric & Silicon Plasma Etch on 300mm, 200mm, 150mm & 100mm substrate sizes. Fluorine Based Chemistry:SF6CF4CHF3C4F8Plasma O2Etching Thermal Oxide, Deposited Oxide, LPCVD Nitride, and PECVD Nitride. Have a Project in Mind? Get In Touch