> 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

I bought some sapphire wafers from Silicon Valley Microelectronics (a
broker) in San Jose, CA at (408) 985-5100.
Expect to spend $300-400 each for double-side-polished (SS is a little
less)!

    --Kirt Williams, Ph.D.    consultant