To overcome these challenges, engineers may use SMT fixtures or the panelization techniques. Each of the two methods provides a carrier with standard dimensions and provisions for fitting, securing and supporting the irregular boards.
V-groove panelization involves cutting a third of the board’s thickness from the top and bottom sides. The remaining part joins the separate boards and is then cut with a machine during the depaneling. This helps to reduce the stress on the PCB. One challenge with the V-groove method is that it is restrictive and cannot be used with PCBs that have overhanging components over the edges.
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