Hi  All .


    Actually   we  are working  with  the PCB finished  EMIG    and   during  the  process  specially  after the  ICTand  FT  test  we  found  problems  with the BGA  Not  contact so removed  the BGA and found a black contamination on the BGA pads .and  we can not  removed  
Any help is really apreciated
Arturo Medellin
Solectron


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