A PCB or printed circuit board is an electrical circuit that offers mechanical support to the electrical components connected through conductive copper wires. These boards are the primary building block for most electronic projects that help in the creation of compact and less irregular designs. 

Over the years, PCBs have evolved into refined boards like flexible printed circuit boards, which are now available in different types. So, to help one understand the flex boards clearly, one can read further and get complete information. 

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