Dear Colleagues, I need to get some 4" SIMOX wafers polished from the backside. I would appreciate receiving contact address of some vendors who could accept small lots. Thanking you in advance, ami chand Ami Chand, Physics Department, University of California, Santa Barbara CA 93106, USA, Tel : 805 - 893 - 3999 ( Lab ), 805 - 893 - 8089 ( Off), Fax: 805 - 893 - 8315.