You’ve probably seen those little green boards inside phones or laptops. They’re called PCBs, and they help everything inside ...

The corresponding needs for I/O on these devices have compelled the manufacturers to utilize high-density ball grid array (BGA ... the junction between the solder ball and the printed wire board, and ...

Also, there is a relatively large high‐density board‐to‐board (mezzanine) connector (marked as J806) often used in compact electronics to mate two circuit boards together, and a smaller ...