Pcb 16 layer

... if you get too much solder in between the pins, it can be ?hell? to get out with just flux, and, in trying, you would likely destroy either the chip and/or the traces, and possibly de-laminate the board and separate the vias(in a multi- layer circuit board). ... http://sites.google.com/site/nerdsheadquarter/pcb-etching-as-an-artwork. Posted at 12:16 am on Aug 30th, 2010 by jean. Brilliant. This type of soldering was the way they did things at my last job, 7 years ago. ...