At present, there are a variety of circuit boards in the electronics market, which makes the circuit to be mini and intuitive. Apparently, printed circuit board plays an important role in the mass production of fixed circuits and the optimization of the layout of electrical appliances.

Therefore, no matter which kind of Circuit Board, it has a lifespan, which is related to the use environment and working frequency. And life expectancy is usually about ten years.

After all, circuit board can’t count as a real product, plus the function of the label that is a product (such as sound card, network card, etc.), and only product has national standards.