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How many PCB classifications are there? From structure talk

From:    Author:Mark Hardy    Publish time:2021-10-14 15:20    Clicks:115
1. Single panel:
 
Single-sided board is on the most basic PCB, the parts are concentrated on one side, and 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.
 
 
Because single-sided boards have many strict restrictions on the design of the circuit (because there is only one side, the wiring cannot cross and must be around a separate path), so only early circuits use this type of board.
 
2. Double panel:
 
The double-sided board is a printed circuit board with copper coated on both sides including Top (top) and Bottom (bottom). Both sides can be wired and soldered. There is an insulating layer in the middle, which is a commonly used printed circuit board.
 
Both sides can be wired, which greatly reduces the difficulty of wiring, so it is widely used.
 
3. Multilayer board:
 
The manufacturing method of the multilayer board is generally made by the inner layer pattern first, and then the single-sided or double-sided substrate is made by printing and etching, and incorporated into the designated interlayer, and then heated, pressurized and bonded. As for the subsequent Drilling is the same as the plated through-hole method of the double-sided board.
 
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