Check out the archives - title "PCB Warpage and Laminate Stack up". If you
have any problems I can let you have copies.

Geoff Layhe
www.lamar-uk.co.uk

> ----------
> From:         S. Miller[SMTP:[log in to unmask]]
> Reply To:     TechNet E-Mail Forum.;[log in to unmask]
> Sent:         24 May 2000 08:17
> To:   [log in to unmask]
> Subject:      [TN] Warpage (Bow and Twist) Causes
>
> Dear All,
>
> What could be the potential causes for warpage in a D/S PCB (unpopulated)?
>
> Any and all feedback would be truly appreciated.
>
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