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February 2012

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From:
Robert Kondner <[log in to unmask]>
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Date:
Wed, 22 Feb 2012 08:11:01 -0700
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Hi,

I was wondering "How long after printing a boards can components still be placed with no decrease in joint consistency."

I was looking at some paste specs looking for an indication of how long a printed image will remain "Wet" and support the placement of additional components after a period of time. 

I was looking at IPC TM-650 2.4.44 and it describes the force required to remove a test probe from a paste deposit over time. Not the same thing.

 Can anyone point me in a direction to resolve the issue.

Bob K.


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