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Date: | Tue, 17 Jan 2012 12:03:45 +0000 |
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Hi Juliano and fellow Techies,
It might be useful to you to consider using a relatively new Process Control Standard available from SMART Group (www.smartgroup.org) entitled: Control of Solder Paste used in Electronic Assembly Process
This was developed from the IPC-J-STD005 solder paste test methods, but adapted for use by folks using paste as opposed to the manufacturer.
The Scope states:
This Standard is intended to determine the suitability of solder paste prior to its employment on the production line; reduce process defects and minimise rework.
The tests are, by necessity, fast and simple to perform; with commercially available equipment and may be completed in less than 1 hour.
A list of defects, test methods and the time/cost implications are shown
If anyone would like a copy they could contact SMART Group or let me know and I can forward a copy.
Graham Naisbitt
Gen3 Systems Limited
www.gen3systems.com
[log in to unmask]
On 16 Jan 2012, at 13:29, Juliano Pacheco wrote:
> Hi,
>
> What are the consequences of using expired solder paste?
> How long after the expired date is "acceptable"?
>
> Thank you.
>
> Juliano Pacheco
>
>
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