Yes we do however we also do spin coating of glass and sol-gel both are much less costlier and faster. good luck walter www.elume.com ----- Original Message ----- From: "Rafael Garcma Valverde"To: "General MEMS discussion" Sent: Thursday, April 17, 2008 6:31 AM Subject: [mems-talk] Passivation of ITO with SiO2 Hi everybody, I know that once ITO is sputtered over glass substrate, some companies offer it with a thin layer of SiO2 for passivation. Does anyone know if this layer is also sputtered?