Au or any nobel metal. Vic ----- Original Message ----- From: "Tan, Chuan Seng"Subject: [mems-talk] metal oxidation at 200C > Does anyone know of any metal that can stand heating up to 200C in room > ambient without servere oxidation ? It is ok to have an outer layer of > oxide as long as the oxidation is self-limiting. > > Any comments about Al or W ?