IPC-9121 AM2 to IPC-9121 provides new troubleshooting topics on hole quality, laser drilling, microvias, drill smear, electroless nickel, organic solderability preservative (OSP) and rigid-flex boards.

IPC 9121 – Amendment 2
Original price was: $58.00.$29.00Current price is: $29.00.
Troubleshooting for PCB Fabrication Processes – Amendment 2
Association Connecting Electronics Industries , 09/01/2019