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Temp delta limit across BGA in reflow

Electronics Forum | Wed May 19 08:18:59 EDT 2004 | davef

Here�s our thinking on the subject: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=27586 For further discussion on the "being hosed by the physics": http://www.cooksonsemi.com/tech_art/pdfs/Controlling%20Warpage.pdf

PLCC to PGA Adapter

Electronics Forum | Fri Jun 04 14:44:00 EDT 2004 | davef

Here's some adapter suppliers: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=20714

Flux Designations and Composition

Electronics Forum | Wed Jul 07 17:27:48 EDT 2004 | davef

There is a way to post papers [Tons of them have been posted, to date. Look in the "SMT Library" maybe.] Email info@smtnet.com for details.

Lead-Free Finish Boards and Components

Electronics Forum | Wed Jul 07 17:42:05 EDT 2004 | davef

Here's more on controlling the type of solder used in the assembly shop. http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=28859

In same board both leaded and lead-free components used.

Electronics Forum | Tue Jul 13 10:12:06 EDT 2004 | davef

While you're waiting for others to reply, consider searching the fine SMTnet Archives for threads like this: http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=7290&#Message29140

Skewing of parts

Electronics Forum | Fri Jul 23 08:59:27 EDT 2004 | davef

For reflow, low soak time and low peak temperatures will help reduce the number of components skewing Search the fine SMTnet Archives. For instance: http://www.smtnet.com/Forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=6071&mc=15

NexLev Open Solder and Hyper BGA

Electronics Forum | Wed Aug 04 10:09:24 EDT 2004 | davef

We assume your opens are on the corners. If so, you are screwed. Look here: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=28669

Socket QFP144 Converter

Electronics Forum | Thu Aug 05 16:04:13 EDT 2004 | davef

We talked about converter / adapters here on SMTnet previously. Search the fine Archives. For instance: http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=5315&#Message20709

Solid solder deposits/SIPAD any one using it?

Electronics Forum | Mon Aug 09 10:16:40 EDT 2004 | davef

Look here: http://www.smtnet.com/Forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=7509&mc=10

exploding reflow paste

Electronics Forum | Thu Aug 19 09:05:32 EDT 2004 | davef

We understand that you are getting solder on your gold fingers. If this is correct, search the SMTnet Archives, while you're waiting for others to respond. For instance: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=5127


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