What is a Circuit Board?
Circuit boards were created in the mid-1930s, most likely by Austrian Paul Eisler. During World War II the United States produced them on a massive scale for use in war radios. During this period the invention remained confined to the military sector, and it wasn’t until the end of the war that it became available for widespread commercial use. Commonly known as PCBs (printed circuit boards), circuit boards consist of an insulator (usually fiberglass), with threads of conductive material serving as wires on the base of the board. The insulator may consist of one or numerous layers of material glued into a single entity. These additional layers may serve a number of purposes, including providing grounding to the board. The threads on the surface of a circuit board are usually copper, created either by laying down individual lines mechanically, or by coating the entire board in copper and stripping away excess. Since the 1980s most circuit boards use surface-mounted components. These com
Related Questions
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- What is a Circuit Board?
