The electronic board is used to support and connects electronic components. It could be single sided, double sided or a multi-layer PCBs. The multilayer types allow for a higher component density. The boards are made by laminating layers of material together. The printed circuit types are then used to laminate such material together. The boards find application in many of the electronic products in the market. They are cheaper and efficient since most of the components are mounted and wired on just a single part.
Typically, an electronic board is populated with electronic components. It came into use in 1967. The PCBs were designed by creating photomask on a mylar sheet of any size. The components are then laid out on mylar, and the traces are made using self-adhesive tape. The modern electronic board is designed with a dedicated layout software through the following steps:
Schematic capture – makes use of electronic design automation tool
Card dimension and template – they are decided based on circuitry
In designing the electronic board, the layer stack is determined by the complexity of the board and the data generated by the computer. Several PCBs could be grouped to form a large board panel. The panel consists of a single design and is then used to mount components. Such panels are then broken into individual PCBs which can then be separated by drilling a routine perforation at the boundaries of the circuit. They are then cut into V-shaped grooves and could be broken along the line of weakness to make it easier to use them. In the modern boards, the paneling could be done by a laser which cuts the electronic board into the required sizes. A mechanical system is then used to mill copper foil from the resultant substrate. Notice that a PCB milling unit could be used to do the same job.