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by ipc.org (Smail3.1.28.1 #2)
id m0u2gyz-00007iC; Fri, 29 Mar 96 10:25 CST |
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| From [log in to unmask] Wed Apr 3 16: |
28:15 1996 |
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>
>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,
>
>[log in to unmask]
>
>
>
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
[log in to unmask]
"May The Schwartz Be with You"
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