PCB Multilayer Board

- May 24, 2017 -

In order to increase the area to be wired, multilayer boards use more single or double sided wiring boards. With a double and two single block as inner layer as the outer layer or two double-sided printed circuit board for the outer layer of the inner layer, two single block, through the positioning system and an insulating adhesive material alternately printed circuit board according to the design requirements for interconnection together and the conductive pattern becomes the four layer, six layer printed circuit board, also known as for multilayer printed circuit board. The number of plies does not represent several layers of independent wiring. In exceptional cases, the empty layer is added to control the thickness of the plate. Usually the layers are even numbers, and the outermost two layers are included. Most motherboards are 4 to 8 structures, but technically they can do nearly 100 layers of PCB boards. Large supercomputers mostly use quite a few layers of motherboards, but since these computers can already be replaced by clusters of common computers, the ultra thin layers are getting out of use. Because the layers in the PCB are tightly integrated, it is not easy to see the actual number, but if you look at the motherboard carefully, you can still see it.

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