Walter, you may want to investigate MicroSprings from Form Factor. They are
involved with high I/O connections for wafer burn-in and do custom designs.

http://www.formfactor.com/

Good luck.

> ----------
> From:         Horaud, Walter[SMTP:[log in to unmask]]
> Reply To:     TechNet E-Mail Forum.;Horaud, Walter
> Sent:         Monday, August 07, 2000 8:35 AM
> To:   [log in to unmask]
> Subject:      [TN] Connecting a wafer to a PCB.
>
> Hi Techneters,
>
>
> Does anybody have an experience in connecting wafer and PCB?
>
> The goal is to connect a 9-cm diameter wafer slice to a PCB.
> There are 1024 pads to connect. 32 groups of 32 pads. The pad size is
> 0.5x0.5 mm, the pitch is 0.5 mm too.
> It would be better if the product could be dismantled. A few solutions
> seem
> to be suitable as zebra, gold dot, tiny probe, flex...
> Does anybody can share his experience in this field? (Which connecting
> would
> be the better? What kind of problems can occur? ...)
> I think I will probably need a custom-designed product.
> Can anybody give me, as much as possible, names of company (web site) that
> provide this kind of connecting
>
> I will give you more information if you need them.
>
> Thanks in advance,
>
> Walter.
>
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