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SMT electronics assembly manufacturing forum.

De-wetting

Views: 2084

What could be the main reasons for De-wetting in reflow proc... - Jul 28, 2008 by DMSM  

> What could be the main reasons for De-wetting in >... - Jul 28, 2008 by Matt Kehoe  

Search the fine SMTnet Achives for background discussion on ... - Jul 28, 2008 by davef  

Iagree with Matt, normally caused by pad surface contaminati... - Jul 28, 2008 by blnorman  


DMSM

#55709

De-wetting | 28 July, 2008

What could be the main reasons for De-wetting in reflow process. Can anybody answer

reply »


Matt Kehoe

#55710

De-wetting | 28 July, 2008

> What could be the main reasons for De-wetting in > reflow process. Can anybody answer

Normally it is a contaminated surface finish.

reply »


davef

#55715

De-wetting | 28 July, 2008

Search the fine SMTnet Achives for background discussion on dewetting, like: http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=12840&#Message54734

reply »


blnorman

#55716

De-wetting | 28 July, 2008

Iagree with Matt, normally caused by pad surface contamination. Out of curiosity, what is the PCB metallization?

reply »

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