Electronics Forum: bga discolored (4)

Soldermask Defined BGA Pads

Electronics Forum | Fri Oct 15 10:23:48 EDT 2004 | mrmaint

Matt, are there any discoloration of the pads on the raw boards. i have seen what we refer to as gray pads. Ran into this in the past and it turned out to be a problem at the board house with one of their dipping tanks. The proper levels for the proc

Black pad on BGA after removal

Electronics Forum | Thu May 05 12:31:27 EDT 2005 | russ

Not in this case, these BGAs were lead free and the profile used was for a lead part. I guess I will give you the whole story. These boards were sent to us from a customer to have the BGAs replaced for an unknown to us reason. We removed the parts

Industry News: bga discolored (1)

SMTA China Presents Awards at SMTA China East 2010 Conference/Nepcon China 2010

Industry News | 2010-04-30 18:47:15.0

SMTA China announces that it presented awards for the 10 best papers/presentations and two best exhibits at the SMTA China East 2010 Conference Award Presentation Ceremony, held on Wednesday, April 21, 2010 at the Shanghai Everbright International Hotel in conjunction with the SMTA China Annual Breakfast Reception.

Surface Mount Technology Association (SMTA)

Express Newsletter: bga discolored (449)


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