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Reply To: | TechNet E-Mail Forum. |
Date: | Tue, 20 Apr 2004 11:06:40 -0700 |
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Hi Victor:
It should definitely be less than 1.5% for THT and less than 0.75% for SMT, which that is what it is for a board after it has been soldered.
JStd.001B 9.2.3
Regards,
Ramon
> -----Original Message-----
> From: Victor G. Hernandez [SMTP:[log in to unmask]]
> Sent: Tuesday, April 20, 2004 1:02 PM
> To: [log in to unmask]
> Subject: [TN] PCB Raw card Boe & Twist Tolerance
>
> Steve,
>
> What has been your experience with measuring Bow & Twist on a raw
> card. Is there a RULE Of Thumb that can apply generically.
>
> Victor,
>
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Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
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