TQM Systems Review
In electronic devices, printed circuit boards, or PCBs, are utilized to mechanically support electronic parts which have their connection leads soldered onto copper pads in surface install applications or through rilled holes in the board and copper pads for soldering the part leads in thru-hole applications. A board design might have all thru-hole components on the top or part side, a mix of thru-hole and surface area mount on the top side just, a mix of thru-hole and surface install components on the top side and surface install elements on the bottom or circuit side, or surface...