Electronics Forum: voids due to direct metallization (Page 1 of 1)

void on BGA Ball due to via on BGA pad

Electronics Forum | Fri Aug 16 10:00:03 EDT 2002 | davef

You have a very bad situation. It�s tough for the gas, flux material, er whatever to escape when the BGA is sitting on top of it and the blind via is blocking it from the other side. Obviously the vias should have been: * Placed on the edge of the

Voids

Electronics Forum | Thu Jun 21 18:20:25 EDT 2018 | vinitam

Hello, My company manufactures MLB's and is currently experiences so many voids due to a mistake in direct metallization (shadow line). We have tried testing every chemical component in the line and every possible maintenance. The scrap rate is goi

Re: Is it possible to rework this BGA socket?

Electronics Forum | Wed Jan 06 23:49:48 EST 1999 | Chris G.

| Hey All you Einsteins out there!! | | I gotta' problem...('course you do Steve, or you wouldn't be bugging the TechNet now would you?) I had a phone call from a acquaintance of mine wanting to bring two prototype boards over to rework a BGA socket

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