Printed Circuit Board or PCB is a board with a full circuit of metal that connect electronic components to one another without cables.
Circuit board to get this name because it is produced in bulk in a way of printing.
* 1936 - printed circuit board was first found by Paul Eisler, Austrian scientists who enter the circuit board into a radio.
* 1943 - United States using a circuit board with a large number of them in military radio.
* 1948 - commercialization printed circuit board in the United States.
After 1950, printed circuit board has been used massively in the electronic industry
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