According to the PCB layer can be divided into single-sided, double-sided, four-layer Board, six boards and other multilayer PCB.

- Dec 02, 2016-

As printed circuit boards are not end products in General, therefore, in the definition of the name slightly confused, for example: PC motherboard, motherboard, and cannot be called a circuit board, main Board circuit board is in, but it's not the same, so assessing the industry both related I cannot say the same. For example: because parts of integrated circuits mounted on a circuit board, thus the news media called him the IC Board, but he is not equivalent to a printed circuit board. We usually say that the printed circuit board is the bare Board-that there are no components on the circuit board.

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