Rigid PCB is the main electronic part to electronic
product in present market. It can be divided into single layer, double
layers and multilayer. Rigid PCB has many good nature
like high density , highreliability, designable, producibility,
testability, Composability, Maintainability. Rigid PCB has relatively low cost than other PCB products and also has good performance, this is why it is widely used in electronic products.