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pcb track liting problem

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i am facing problem of pcb track lifing at B.G.A. after refl... - Jul 26, 2008 by manish  

Do you have pictures of the cross section that you could pos... - Jul 28, 2008 by davef  


manish

#55704

pcb track liting problem | 26 July, 2008

i am facing problem of pcb track lifing at B.G.A. after reflow.we r using lead free paste and fr-4 grade pcb with peak temp.about 270 deg.

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davef

#55718

pcb track liting problem | 28 July, 2008

Do you have pictures of the cross section that you could post?

Here is a recent thread that could give information about what you see with your board http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=54803

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