Various methods and apparatuses are described in which a printed circuit board has trace lines. Input/output pads on the printed circuit board may have approximately the same width dimension as a trace line connected to those input/output pads. A first group of vias in the printed circuit board may be aligned into a planar line with a set corridor spacing between adjacent of groups of vias also aligned into a planar line with the same axis to allow a routing space for lines in multiple layers of the printed circuit board to occur in the routing space established by the set corridor spacing.

 
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> Reducing cracking of high-lead or lead-free bumps by matching sizes of contact pads and bump pads

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