What is the meaning of the negative layer in the PCB?
I only know that there are non-forest and negative film has not heard of negative layer of this thing I may not understand what you use what software painting PCB ask -
PCB (Printed Circuit Board), the Chinese name for the printed circuit board, also known as printed circuit board, is an important electronic components, is the support of electronic components, electronic components is the carrier of electrical connections. Because it is made using electronic printing, it is called "printed" circuit board.
PCB negative default copper, the line is the dividing line, that is, after the formation of a negative layer has been copper, and to do is split copper, and then set the split after the copper network.
