hi all: I need a couple of 3" or 4" sapphire wafers (single side polished, around 400 um thick), could anybody let me know where can i buy them? Thanks Honggang Jiang Materials Science Engineer Second Sight 12744 San Fernando Road, Bldg3 Sylmar, CA 91342 Ph: 818 833 5058 --------------------------------- Do you Yahoo!? Protect your identity with Yahoo! Mail AddressGuard