Thanks for the advice, Werner. I didn't realize this document existed. The
original recipe was determined by running a thermocoupled assembly through
the oven and matching the time/temperature graph supplied by the paste
manufacturer. When the manufacturer made adjustments to the recipe, it was
done with the aid of a Super MOLE.

Thank you,
Paul Black
Manufacturing Engineer
Kronos



-----Original Message-----
From: [log in to unmask] [mailto:[log in to unmask]]
Sent: Friday, August 22, 2003 7:49 AM
To: [log in to unmask]; [log in to unmask]
Subject: Re: [TN] Soft solder


Hi Paul,
Are you profiling your assemblies to determine a proper oven recipe? Look ay

IPC-7530.
Just calling in your paste supplier is in many cases not sufficient.

Regards,
Werner Engelmaier
Engelmaier Associates, L.C.
Electronic Packaging, Interconnection and Reliability Consulting
7 Jasmine Run
Ormond Beach, FL  32174  USA
Phone: 386-437-8747, Fax: 386-437-8737, Cell: 386-316-5904
E-mail: [log in to unmask], Website: www.engelmaier.com

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