Try Polishing Corporation of America
(800) 672-0060

>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.
>
>
>