Issue link: https://iconnect007.uberflip.com/i/1350598
58 PCB007 MAGAZINE I MARCH 2021 Today's extreme densities and small pads are getting to the point that pinned fixtures are no longer the solution and flying probes or high- density wired dedicated fixtures are required. I close with some finishes (Figure 4) that we come across routinely. By far the most suscep- tible finishes are the so gold and immersion silver families. Stay safe! PCB007 Todd Kolmodin is VP of quality for Gardien Services USA and an expert in electrical test and reliability issues. To read past columns or contact Kolmodin, click here. Figure 4: Some routine finishes.