What is the difference between a single and double-sided package?
Double-sided (Double-Sided Boards) on both sides of the wiring. But to use the two sides of the wire, must be between the two sides have the appropriate circuit connection Caixing. The "bridge" between such circuits is called via. The guide hole is a small hole filled with metal on the PCB, which can be connected to both sides of the wire. Because double-sided panels are twice as large as single-sided panels, and because cabling can be staggered (can be routed to the other side), it is more suitable for use on more complex than single-panel circuits.
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(Screen Printing), which is printed on the copper surface of the resistance agent, after etching and then to the resistance of the printed mark on the resistance, and finally to punch the way to complete the parts guide hole and shape. In addition, a small number of diverse production of products, the use of photoresist to form a pattern of photography.
Because the single-panel has many stringent restrictions on the design line (because there is only one side, the wiring can not cross and must be around the path), so only the early circuit to use such boards; single-panel wiring diagram to the network printing
The panel is on the most basic PCB, the parts are concentrated on one side, the wires are concentrated on the other side. Because the wires only appear on one side, we call this kind of PCB called single-sided.
