Do you agree that in case fluxes interact badly we can prevent
SIR/electromigration issue by cleaning the board ?

Perhaps it wasn't clear on my email but these products are 100% cleaned
(solvent process). 

So we should just have to check that the cleaning process is efficient
measuring ionic contamination, don't we ?

Regards,

Cedric 

-----Message d'origine-----
De : TechNet [mailto:[log in to unmask]] De la part de Karen Tellefsen
Envoyé : mercredi 14 septembre 2011 15:05
À : [log in to unmask]
Objet : Re: [TN] Flux Compatibility

Some flux materials don't play well with others, possibly resulting in low
SIR and Electrochemical migration., and compatibility testing helps to
ensure that combinations of materials work well together.  I test many
combinations of Alpha materials for SIR and ECM.  So do Kester and Indiujm
for their respective materials,  The compatibility testing may have already
been done by your paste and flux supplier; ask them if they have data.

Karen Tellefsen - Electrical Testing
[log in to unmask]
908-791-3069



                                                                            
                                                                            
                                                                            
   [TN] Flux Compatibility                                                  
                                                                            
                                                                            
   Cedric ORAIN                                                             
                 to:                                                        
                   TechNet                                                  
                                                        09/14/2011 03:10 AM 
                                                                            
                                                                            
                                                                            
                                                                            
   Sent by:                                                                 
          TechNet <[log in to unmask]>                                         
   Please respond to TechNet E-Mail Forum, Cedric ORAIN                     
                                                                            
                                                                            
                                                                            






Good morning dear Technetters,

I'm asked by one of my customer if I checked the compatibility between in
one hand the no-clean flux from the SMD paste and the other hand the resin
flux from the wires.

The answser was no !

Could you advise which kind of issue could occur if any ?

Thanks for your help,

Regards,

Cedric
www.inovelec-groupe.com




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