Electronics Forum: 20bumps (1)

Wrinkles on soldered BGA ball joints

Electronics Forum | Fri Oct 07 09:19:54 EDT 2005 | Kris

the direction in which the solders cool in a BGA are also different than the rest of the boards as the joints " hidden" to ambient. Refer to an analogus phenomenon in the cookson application note. http://www.cooksonsemi.com/pdfs/How%20&%20Why%20Bum


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