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.