A patch under a BGA with a 0.8 mm pitch

A patch under a BGA with a 0.8 mm pitch.

After testing the first sample #ProtoPCBA, the engineer found that the connection from ball 8 to via 127 was not needed at all.

With most suppliers that means: patch it yourself or order a new proto series. With the waiting time that comes with it.

Not at DeltaProto.

We were asked to remove this connection on the second sample and then place the BGA.

At first we considered scratching away the trace. But with only 0.1 mm between the top layer and layer 2, that is quite risky. An unwanted short is made in no time.

So we came up with a different solution: simply remove ball 8 from the #BGA.

Good eyes, a steady hand and a bit of experience. Done!

Two days later the #engineer could carry on testing.

#PCBAProtoLabLearnings #HappyEngineering