Hi all, Can any one tell me about the materials . What are the characteristics or functions of Cr, Platinum, Boron, Molibdenum, Tandulum in sputtering? there is an issue of arcing which causes particulates on the discs. what can we do to reduce or even eliminate these? ps kindly reply to hooichoy.suan@komag.com __________________________________________________ Do You Yahoo!? Yahoo! Photos - Share your holiday photos online! http://photos.yahoo.com/