Yes, you guessed right, PCB is stacked layer by layer like a hamburger A PCB with four layers is a 4 layer PCB board. What is the difference between 4 layer PCB vs 2 layer PCB? The most important layer in PCB is the copper foil signal layer, which is the PCB circuit.
Standard PCB
4-Layer General Purpose PCB
4L · 0.3-6.0mm · 0.5OZ - 6OZ
Technical specifications
Build parameters for this board.
| Layers | 4 |
| Board thickness | 0.3-6.0mm |
| Copper weight | 0.5OZ - 6OZ |
| Application | Consumer electronics |
Catalogue
Other boards on this line
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