>
>Greetings,
>
>Does anyone have a good procedure for removing a warp/twist from a pcb?  I 
>am dealing with a .093 thick assembly that is 7 inches by 20 inches.  The 
>board currenly has smt components placed and soldered (topside only) but, 
>the through hole components have not yet been mounted/soldered.  I have 
>tried heating the board and letting it cool while applying weight, that did 
>not do the job.  Any suggestions ? please respond.
>
>Thanks,
>
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>
>
>
If it came to you like that from your supplier SEND IT BACK!
Also a pre bake of the bare board to reduce moisture should help
warp later in the process.

Regards,
Jerry Schwartz
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"May The Schwartz Be with You"