How do you gauge an electronic PCB board? All the electronic devices, such as laptops, computers, transistors, mobiles, and even aeronautics, are completely dependent on it. They are soldered on the electronic board or embedded in what is chiefly called a substrate. The board has two copper layers, based on which they are categorized into two parts—single-sided and double-sided. “FR-4 glass epoxy” is the main insulating substrate used in the board. Electronic boards are extensively used in the electronic industry.  

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